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Primary Antibodies

Primary Antibodies

Our Primary Antibodies are research-use antibodies designed to support protein detection and target analysis across a wide range of applications and species. Our collection includes recombinant antibodies, monoclonal antibodies, and polyclonal antibodies for use in Western blotting (WB), immunohistochemistry (IHC), immunocytochemistry (ICC), immunofluorescence (IF), flow cytometry (FC), ELISA, and other common applications.

These primary antibodies are available for targets involved in cancer research, immunology, neuroscience, cell biology, metabolism, apoptosis, signaling pathways, and disease-related research. Bioss offers primary antibodies guaranteed for use in human, mouse, rat, and other species to help researchers choose the right antibody format for their experimental model and detection method.



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Paraformaldehyde-fixed, paraffin embedded rat kidney; Antigen retrieval by boiling in sodium citrate buffer (pH6) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 30 minutes; Blocking buffer (normal serum) at 37\u00b0C for 20min; Antibody incubation with Fibronectin (1B9) Monoclonal Antibody (bsm-33143M) at 1:200 overnight at 4\u00b0C, followed by a conjugated secondary and DAB staining.
Paraformaldehyde-fixed, paraffin embedded rat liver section; Antigen retrieval by boiling in sodium citrate buffer (pH6) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 30 minutes; Blocking buffer (normal serum) at 37\u00b0C for 20min; Antibody incubation with Fibronectin (1B9) Monoclonal Antibody (bsm-33143M) at 1:200 overnight at 4\u00b0C, followed by a conjugated secondary and DAB staining.
Lane 1: Human Plasma; Lane 2: Human Serum probed with Fibronectin\/FN1 Monoclonal Antibody, Unconjugated (bsm-33143M) at 1:1000 dilution and 4\u00b0C overnight incubation. Followed by conjugated secondary antibody incubation at room temperature for 60 min.

Catalog #1: bsm-33143m-100ul

Applications: WB

Reactivity: Human

Conjugate: Unconjugated

Catalog #1: bsm-33143m-cy3-100ul

Applications: WB

Reactivity: Human

Conjugate: Cy3

Catalog #1: bsm-33143m-cy5-100ul

Applications: WB

Reactivity: Human

Conjugate: Cy5

Catalog #1: bsm-33143m-cy7-100ul

Applications: WB

Reactivity: Human

Conjugate: Cy7

Catalog #1: bsm-33143m-fitc-100ul

Applications: WB

Reactivity: Human

Conjugate: FITC

Catalog #1: bs-6917R-Biotin

Applications: WB, ELISA, IHC-P, IHC-F

Reactivity: Human, Mouse, Rat

Conjugate: Biotin

Catalog #1: bs-19452R-Biotin

Applications: WB, ELISA, IHC-P, IHC-F

Reactivity: Human, Mouse, Rat

Conjugate: Biotin

Catalog #1: bs-6917R-HRP

Applications: WB, ELISA, IHC-P, IHC-F

Reactivity: Human, Mouse, Rat

Conjugate: HRP

Lane 1: HepG2, Lane 2: Mouse cerebrum lysates probed with LTBR Polyclonal Antibody (bs-6917R) at 1:300 overnight at 4˚C. Followed by a conjugated secondary antibody at 1:5000 for 90 min at 37˚C.
Lane 1: Mouse NIH\/3T3 cell lysates; Lane 2: Rat Lymph node tissue lysates; Lane 3: Human A431 cell lysates probed with LTBR Polyclonal Antibody, Unconjugated (bs-6917R) at 1:1000 dilution and 4\u00b0C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.

Catalog #1: bs-6917R

Applications: WB, ELISA, IHC-P, IHC-F, IF(IHC-P), IF(IHC-F), IF(ICC)

Reactivity: Human, Mouse, Rat

Conjugate: Unconjugated

Lane 1: Mouse Hippocampus lysates; Lane 2: Rat Liver lysates probed with Smad3 Polyclonal Antibody, Unconjugated (bs-19452R) at 1:1000 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.
Paraformaldehyde-fixed, paraffin embedded Mouse brain; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37\u00b0C for 30min; Antibody incubation with Smad3 (Thr179) Polyclonal Antibody, Unconjugated (bs-19452R) at 1:200 overnight at 4\u00b0C, DAB staining.
Paraformaldehyde-fixed, paraffin embedded Mouse skin; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37\u00b0C for 30min; Antibody incubation with Smad3 (Thr179) Polyclonal Antibody, Unconjugated (bs-19452R) at 1:200 overnight at 4\u00b0C, DAB staining.
Paraformaldehyde-fixed, paraffin embedded Rat brain; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37\u00b0C for 30min; Antibody incubation with Smad3 (Thr179) Polyclonal Antibody, Unconjugated (bs-19452R) at 1:200 overnight at 4\u00b0C, DAB staining.

Catalog #1: bs-19452R

Applications: WB, ELISA, FCM, IHC-P, IHC-F, IF(IHC-P), IF(IHC-F), IF(ICC)

Reactivity: Human, Mouse, Rat

Conjugate: Unconjugated

Catalog #1: bs-19452R-Cy3

Applications: WB, FCM, IF(IHC-P), IF(IHC-F), IF(ICC)

Reactivity: Human, Mouse, Rat

Conjugate: Cy3

Catalog #1: bs-19452R-HRP

Applications: WB, ELISA, IHC-P, IHC-F

Reactivity: Human, Mouse, Rat

Conjugate: HRP

Catalog #1: bs-19452R-FITC

Applications: WB, FCM, IF(IHC-P), IF(IHC-F), IF(ICC)

Reactivity: Human, Mouse, Rat

Conjugate: FITC

Catalog #1: bs-19452R-Cy5

Applications: WB, FCM, IF(IHC-P), IF(IHC-F), IF(ICC)

Reactivity: Human, Mouse, Rat

Conjugate: Cy5

Catalog #1: bs-19452R-Cy7

Applications: WB, FCM, IF(IHC-P), IF(IHC-F), IF(ICC)

Reactivity: Human, Mouse, Rat

Conjugate: Cy7

Mouse lymph node lysate probed with CD8a Polyclonal Antibody (bs-10699R) at 1:300 overnight in 4˚C. Followed by conjugation to the secondary antibody (bs-0295G-HRP) at 1:5000 90min in 37˚C.
Mouse Spleen cells probed with CD8a Polyclonal Antibody, unconjugated (bs-10699R) at 1:100 dilution for 30 minutes compared to control cells (blue) and isotype control (orange)
Lane 1: Mouse Spleen tissue lysates; Lane 2: Mouse Lymph node tissue lysates; Lane 3: Rat Thymus tissue lysates probed with CD8 Polyclonal Antibody, Unconjugated (bs-10699R) at 1:1000 dilution and 4\u00b0C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.
Paraformaldehyde-fixed, paraffin embedded Rat Colon; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; The section was incubated with CD8 Polyclonal Antibody, Unconjugated (bs-10699R) at 1:500 overnight at 4\u00b0C, followed by conjugation to the bs-0295G-HRP and DAB (C-0010) staining.

Catalog #1: bs-10699r-TR

Applications: WB, IHC-P, IHC-F, IF

Reactivity: Rat

Conjugate: Unconjugated

Mouse bladder lysates probed with GATA3 Polyclonal Antibody, Unconjugated (bs-23118R) at 1:300 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:10000 for 60 min at 37˚C.
Mouse epithelium lysates probed with GATA3 Polyclonal Antibody, Unconjugated (bs-23118R) at 1:300 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:10000 for 60 min at 37˚C.
Lane 1: Mouse Urinary bladder tissue lysates; Lane 2: Rat Urinary bladder tissue lysates probed with GATA3 Polyclonal Antibody, Unconjugated (bs-23118R) at 1:1000 dilution and 4\u00b0C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.

Catalog #1: bs-23118R

Applications: WB, ELISA

Reactivity: Mouse, Rat

Conjugate: Unconjugated

Catalog #1: bs-23118R-Biotin

Applications: WB, ELISA

Reactivity: Mouse, Rat

Conjugate: Biotin

Catalog #1: bs-23118R-HRP

Applications: WB, ELISA

Reactivity: Mouse, Rat

Conjugate: HRP

Catalog #1: bs-53057R

Applications: ELISA

Reactivity: Mouse

Conjugate: Unconjugated

Catalog #1: bs-53056R

Applications: ELISA

Reactivity: Mouse

Conjugate: Unconjugated

Immunohistochemistry of TAF1 antibody. Tissue: prostate. Fixation: formalin fixed paraffin embedded. Primary antibody: TAF1 (bs-53045R) at 10 \u03bcg\/mL for 1h at RT. Secondary antibody: Peroxidase rabbit secondary antibody at 1:10,000 dilution for 45 min at RT. Staining: TAF1 as precipitated red signal with hematoxylin purple nuclear counterstain.
Western blot using the TAF1 antibody (bs-53045R) to detect TAF1 in HeLa nuclear extract (arrowhead). The membrane was probed with the primary antibody at dilutions of 1:100 (lane 1), 1:250 (lane 2), 1: 500 (Lane 3) and 1:1,000 (Lane 4). The identity of the bands at ~95 kDa is unknown but may be degraded TAF1.

Catalog #1: bs-53045R

Applications: WB, IHC-P

Reactivity: Human, Mouse, Rat

Conjugate: Unconjugated

Catalog #1: bs-53085R

Applications: WB, ELISA

Reactivity: Human, Mouse

Conjugate: Unconjugated

Catalog #1: bs-53084R

Applications: WB, ELISA

Reactivity: Mouse

Conjugate: Unconjugated

Western blot was performed on whole cell lysates from mouse fibroblasts (NIH3T3) and embryonic stem cells (E14Tg2a) with the DNMT1 antibody (bs-53048R), diluted 1:500 in BSA\/ PBS-Tween. The molecular weight marker (in kDa) is shown on the left; the location of the protein of interest (expected size: 183 kDa) is indicated on the right.
To determine the titer, an ELISA was performed using a serial dilution of the DNMT1 antibody (bs-53048R). The plates were coated with peptides. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:9,600.

Catalog #1: bs-53048r-100ul

Applications: WB, ELISA

Reactivity: Mouse

Conjugate: Unconjugated

Catalog #1: bs-53078R

Applications: ELISA

Reactivity: Human, Mouse

Conjugate: Unconjugated

Mouse NIH3T3 cells were stained with Bioss antibody against H4K5,8,12,16ac (cat. No. bs-53098R) and with DAPI. Cells were fixed with 4% formaldehyde for 10\u2019 and blocked with PBS\/TX-100 containing 5% normal goat serum and 1% BSA. The cells were immunofluorescently labeled with the H4K5,8,12,16ac antibody (left) diluted 1:500 in blocking solution followed by an anti-rabbit antibody conjugated to Alexa488. The middle panel shows staining of the nuclei with DAPI. A merge of the two stainings is shown on the right.
To test the cross-reactivity of the Bioss antibody against H4K5,8,12,16ac (cat. No. bs-53098R), a Dot Blot analysis was performed with peptides containing other histone modifications and the unmodified H4. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:20,000. The figure shows a high specificity of the antibody for the modification of interest.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Bioss antibody directed against H4K5,8,12,16ac (cat. No. bs-53098R) in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:21,200.
ChIP was performed with 2 \u03bcg of the Bioss antibody against H4K5,8,12,16ac (cat. No. bs-53098R) on sheared chromatin from 1 million HeLa cells using a ChIP-seq kit as described above. The IP\u2019d DNA was subsequently analyzed on an Illumina Genome Analyzer. Library preparation, cluster generation, and sequencing were performed according to the manufacturer\u2019s instructions. The 36 bp tags were aligned to the human genome using the ELAND algorithm. Figure shows the signal distribution along the complete length of chromosome 5 (figure A) and a zoomin to a 600 kb region (figure B). Figure C and D show the enrichment in two genomic regions on chromosome 3 and 12, respectively, containing EIF4A2 and GAPDH positive controls. The position of the amplicon used for validating the QPCR results is shown with an arrow.

Catalog #1: bs-53098R

Applications: ELISA, IF, dot-blot, ChIP-seq

Reactivity: Human, Mouse

Conjugate: Unconjugated

Western blot was performed on whole cell (25\u03bcg, lane 1) and histone extracts (15\u03bcg, lane 2) from HeLa cells, and on 1 \u03bcg of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using H4K5ac Polyclonal Antibody (bs-53099R). Antibody was diluted 1:500 in TBS-Tween containing 5% skim milk.
Dot Blot analysis was performed with peptides containing a variety of histone modifications and the unmodified H4. 0.2-100 pmol of the respective peptides were spotted on a membrane. H4K5ac Polyclonal Antibody (bs-53099R) was used at 1:5,000 dilution. Result shows high specificity of the antibody for the modification of interest.
ChIP were performed using HeLa cells using H4K5ac Polyclonal Antibody (bs-53099R). Chromatin was sheared from 1 million cells. A titration of the antibody consisting of 1, 2, 5, and 10\u03bcg per ChIP experiment was analyzed. IgG (2\u03bcg\/IP) was used as negative IP control. Quantitative PCR was performed with primers for promoter of the active gene EIF4A2 and for a region 1 kb upstream of the GAPDH as positive controls, and for the inactive MYOD1 gene and Sat2 satellite repeat region used as negative controls. Result shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).
ELISA was performed using a serial dilution of the\r\nH4K5ac Polyclonal Antibody (bs-53099R) against peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:8,900.

Catalog #1: bs-53099R

Applications: WB, ELISA, IHC-P, IF(ICC), dot-blot

Reactivity: Human, Mouse

Conjugate: Unconjugated

A Dot Blot analysis was performed to test the cross-reactivity of the Bioss antibody against H4K20me3 (Cat. No. bs-53115R) with peptides containing other histone modifications and the unmodified H4K20. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:20,000. Figure shows a high specificity of the antibody for the modification of interest
Human osteosarcoma (U2OS) cells were stained with the Bioss antibody against H4K20me3 (Cat. No. bs-53115R) and with DAPI. Cells were fixed with ice-cold methanol for 10\u2019 and blocked with PBS\/TX-100 containing 5% normal goat serum. Figure A: cells were immunofluorescently labeled with the H4K20me3 antibody (left) diluted 1:300 in blocking solution followed by an anti-rabbit secondary antibody conjugated to Alexa568 or with DAPI (right). Figure B: staining of the cells with the H4K20me3 antibody after incubation of the antibody with blocking peptide at 5 ng\/\u03bcl.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Bioss antibody directed against H4K20me3 (Cat. No. bs-53115R), crude serum and flow through in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:7,400.
ChIP assays were performed using HeLa cells, the Bioss antibody against H4K20me3 (Cat. No. bs-53115R) and optimized PCR primer sets for qPCR. ChIP was performed with an Auto Histone ChIP-seq kit with sheared chromatin from 1 million cells using the SX-8G IP-Star automated system. A titration of the antibody consisting of 1, 2, 5, and 10 \u03bcg per ChIP experiment was analyzed. IgG (1 \u03bcg\/IP) was used as negative IP control. QPCR was performed with primers for promoters of the active genes c-fos and GAPDH, used as negative controls, and for the Sat2 satellite repeat region used as a positive control. The figure shows the recovery expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).

Catalog #1: bs-53115R

Applications: WB, ELISA, IHC-P, IF(ICC), IF, dot-blot, ChIP-seq

Reactivity: Human, Mouse, Others

Conjugate: Unconjugated

A Dot Blot analysis was performed to test the cross-reactivity of the Bioss antibody against H4K8ac (cat. No. bs-53133R) with peptides containing other histone modifications and the unmodified H4K8. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:20,000.
Histone extracts of HeLa cells (15 \u03bcg) were analyzed by Western blot using the Bioss antibody directed against H4K8ac (cat. No. bs-53133R) diluted 1:200 in TBS-Tween containing 5% skimmed milk.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Bioss antibody directed against H4K8ac (cat. No. bs-53133R), crude serum and flow through in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the purified antibody was estimated to be 1:16,700.
Mouse NIH3T3 cells were stained with H4K8ac Polyclonal Antibody (cat. No. bs-53133R) and with DAPI. Cells were fixed with 4% formaldehyde for 10\u2019 and blocked with PBS\/TX-100 containing 5% normal goat serum and 1% BSA. The cells were immunofluorescently labeled with the H4K8ac antibody (left) diluted 1:500 in blocking solution followed by an anti-rabbit antibody conjugated to Alexa488. The middle panel shows staining of the nuclei with DAPI. A merge of the two stainings is shown on the right.

Catalog #1: bs-53133R

Applications: WB, ELISA, IF, dot-blot

Reactivity: Human, Mouse

Conjugate: Unconjugated

HeLa cells were stained with the Bioss antibody against H4K5,8,12ac (cat. No. bs-53096R) and with DAPI. Cells were fixed with 4% formaldehyde for 10\u2019 and blocked with PBS\/TX-100 containing 5% normal goat serum and 1% BSA. Figure A: cells were immunofluorescently labeled with the H4K5,8,12ac antibody (left) diluted 1:500 in blocking solution followed by Alexa488 conjugated secondary antibody. The middle panel shows staining of the nuclei with DAPI. A merge of the two stainings is shown on the right. Figure B, C, D, and E: staining of the cells with the H4K5,8,12ac antibody after incubation of the antibody with 10 ng\/\u03bcl of the following blocking peptides: H4K5,8,12 unmodified (figure B), H4K5,8,12ac (figure C), H2A.ZK5,7,11ac (figure D) and H4K5,8,12,16ac (figure E).
Western blot was performed on whole cell (25 \u03bcg, lane 1) and histone extracts (15 \u03bcg, lane 2) of HeLa cells, and on 1 \u03bcg of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Bioss antibody against H4K5,8,12ac (cat. No. bs-53096R). The antibody was diluted 1:1,000 in TBS-Tween containing 5% skimmed milk.
To test the cross-reactivity of the Bioss antibody against H4K5,8,12ac (cat. No. bs-53096R), a Dot Blot analysis was performed with peptides containing other histone modifications and the unmodified H4. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:20,000. Figure shows a high specificity of the antibody for the modification of interest.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Bioss antibody directed against H4K5,8,12ac (cat. No. bs-53096R) in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:14,500.

Catalog #1: bs-53096R

Applications: WB, ELISA, IP, IF, dot-blot, ChIP-seq

Reactivity: Human, Mouse

Conjugate: Unconjugated

Catalog #1: bs-53029R

Applications: WB

Reactivity: Human, Mouse

Conjugate: Unconjugated

Histone extracts of HeLa cells (15 \u03bcg) were analyzed by Western blot using the antibody against H3K4me2 (bs-53036R) diluted 1:750 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.
A Dot Blot analysis was performed to test the cross-reactivity of the antibody against H3K4me2 (bs-53036R) with peptides containing other modifications or unmodified sequences of histone H3. Other histone modifications include mono- and trimethylation of the same lysine and mono-, di- and trimethylation of lysine 9, 27 and 36 and 79. One hundred to 0.2 pmol of the peptides were spotted on a membrane. The antibody was used at a dilution of 1:20,000. The figure shows a high specificity of the antibody for the modification of interest.
To determine the titer, an ELISA was performed using a serial dilution of the antibody directed against H3K4me2 (bs-53036R). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:2,600.
ChIP assays were performed using U2OS cells, the antibody against H3K4me2 (bs-53036R) and optimized PCR primer sets for qPCR. ChIP was performed using sheared chromatin from 1.6 million cells. A titration of the antibody consisting of 2, 5, 10 or 15 \u03bcl per ChIP experiment was analyzed. IgG (5 \u03bcg\/IP) was used as negative IP control. Quantitative PCR was performed with primers for the promoter of the ALDOA gene and for the coding region of the myogenic differentiation gene (MYOD), a gene that is inactive under normal conditions. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis). These results are in accordance with the observation that dimethylation of K4 at histone H3 is more present in active genes than in silent genes.

Catalog #1: bs-53036R

Applications: WB, ELISA, IF, dot-blot

Reactivity: Human, Mouse

Conjugate: Unconjugated

ChIP was performed with 5 \u03bcl of the antibody against H3K36me3 (bs-53041R) on sheared chromatin from 1 million HeLaS3 cells. IgG (2 \u03bcg\/IP) was used as a negative IP control. The IP\u2019d DNA was analysed by QPCR with optimized PCR primer pairs for the coding and promoter region of the active GAPDH gene, for the coding region of the inactive TSH2B gene and for the Sat2 satellite repeat. The IP\u2019d DNA was subsequently analysed with an Illumina Genome Analyzer. Library preparation, cluster generation and sequencing were performed according to the manufacturer\u2019s instructions. The 36 bp tags were aligned to the human genome using the ELAND algorithm. The figure shows the results in 200 kb regions of chromosome 12 (including the GAPDH positive control), 6 and 7 and 14. These results clearly show an enrichment of the H3K36me3 at active genes
ChIP assays were performed using human osteosarcoma (U2OS) cells, the antibody against H3K36me3 (bs-53041R) and optimized PCR primer sets for qPCR. ChIP was performed using sheared chromatin from 1.6 million cells. A titration of the antibody consisting of 2, 5, 10 and 15 \u03bcl per ChIP experiment was analyzed. IgG (5 \u03bcg\/IP) was used as a negative IP control. Quantitative PCR was performed using primer sets for the housekeeping gene GAPDH and for myogenic differentiation gene (MYOD). The figure shows the recovery expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis.
To determine the titer, an ELISA was performed using a serial dilution of the antibody directed against H3K36me3 (bs-53041R). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:12,700.
A Dot Blot analysis was performed to test the cross-reactivity of the antibody against H3K36me3 (bs-53041R) with peptides containing other modifications of histone H3. Other histone modifications include mono- and dimethylation of the same lysine and mono-, di- and trimethylation of lysine 9, 27 and 79. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:100,000. The figure shows a high specificity of the antibody for the modification of interest.

Catalog #1: bs-53041R

Applications: WB, ELISA, dot-blot, ChIP-seq

Reactivity: Human, Mouse

Conjugate: Unconjugated

ChIP assays were performed using HeLa cells, the Bioss antibody against H3K9\/14ac (Cat. No. bs-53093R) and optimized primer pairs for qPCR. ChIP was performed with a HighCell# ChIP kit, using sheared chromatin from 1.5 million cells. A titration of the antibody consisting of 1, 2, 5 and 10 \u03bcg per ChIP experiment was analyzed. IgG (5 \u03bcg\/IP) was used as negative IP control.QPCR was performed using primers specific for the promoter of the ACTB gene as a positive control target and for exon 2 of the MB gene as a negative control target. The figure shows the recovery (the relative amount of immunoprecipitated DNA compared to input DNA). These results confirm the observation that acetylation of H3K9\/14 is present at active promoters.
ChIP was performed with 1 \u03bcg of H3K9\/14ac Polyclonal Antibody (bs-53093R) on sheared chromatin from 1 million HeLaS3 cells using an Auto Histone ChIP-seq kit on the IP-Star automated system. IgG (2 \u03bcg\/IP) was used as a negative IP control. The IP\u2019d DNA was analyzed by qPCR with optimized PCR primer pairs for the promoters of the active GAPDH and c-fos genes, used as positive control targets, and the coding region of the inactive MB gene and the Sat2 satellite repeat, used as negative control targets (figure A). The IP\u2019d DNA was subsequently analyzed with an Illumina Genome Analyzer. Library preparation, cluster generation, and sequencing were performed according to the manufacturer\u2019s instructions. The 36 bp tags were aligned to the human genome using the ELAND algorithm. The figure shows the peak distribution along the complete sequence and an 800 kb region of the X-chromosome (figure B and C) and in 100 kb regions surrounding the RBM3, GAPDH and c-fos genes (figure D, E, and F). These results clearly show an enrichment of the H3K9\/14 double acetylation at the promoters of active genes.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Bioss antibody directed against H3K9\/14ac (Cat. No. bs-53093R), crude serum and flow through in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the purified antibody was estimated to be 1:5,900.
A Dot Blot analysis was performed to test the cross-reactivity of the Bioss antibody against H3K9\/14ac (Cat. No. bs-53093R) with peptides containing other histone modifications and the unmodified H3K9\/14 sequence. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:20,000. The figure shows a high specificity of the antibody for the modification of interest.

Catalog #1: bs-53093R

Applications: WB, ELISA, IF, dot-blot, ChIP-seq

Reactivity: Human, Mouse, Others

Conjugate: Unconjugated

Whole cell extracts from HeLa cells (25 \u03bcg) were analysed by Western blot using the H3pan antibody (bs-53074R) diluted 1:500 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.
ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3pan (bs-53074R) and optimized PCR primer sets for qPCR. ChIP was performed using sheared chromatin from 1 million cells. A titration of the antibody consisting of 1, 2, 5, and 10 \u03bcl per ChIP experiment was analysed. IgG (2 \u03bcg\/IP) was used as negative IP control. QPCR was performed with primers for the promoters of the active GAPDH and EIF4A2 genes, used as negative controls, and for the inactive MYOD1 and the Sat2 satellite repeat, used as positive controls. The figure shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the H3pan antibody (bs-53074R). The plates were coated with the peptides used for immunization. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be >1:1,000,000.

Catalog #1: bs-53074R

Applications: WB, ELISA

Reactivity: Human, Mouse, Rat

Conjugate: Unconjugated

ChIP assays were performed using HeLa cells, H3K9ac Polyclonal Antibody (Cat. No. bs-53092R) and optimized PCR primer pairs for qPCR. ChIP was performed with a ChIP-seq kit, using sheared chromatin from 1 million cells. A titration consisting of 1, 2, 5 and 10 \u03bcg of antibody per ChIP experiment was analyzed. IgG (2 \u03bcg\/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the promoter of the active genes GAPDH and EIF4A2, used as positive controls, and for exon 2 of the inactive myoglobin (MB) gene and the Sat2 satellite repeat, used as negative controls. The figure shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis). These results are in accordance with the observation that acetylation of K9 at histone H3 is associated with the promoters of active genes.
ChIP was performed with 1 \u03bcg of the Bioss antibody against H3K9ac (Cat. No. bs-53092R) and the IP\u2019d DNA was subsequently analyzed on an Illumina Genome Analyzer. Library preparation, cluster generation, and sequencing were performed according to the manufacturer\u2019s instructions. The 36 bp tags were aligned to the human genome using the ELAND algorithm. The figure shows the peak distribution along the complete sequence and an 800 kb region of the X-chromosome (figure A and B) and in 100 kb regions surrounding the GAPDH and EIF4A2 positive control genes ( figure C and D). These results clearly show an enrichment of H3K9ac at the promoters of active genes.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Bioss antibody directed against H3K9ac (Cat. No. bs-53092R) in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:31,700.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Bioss antibody directed against H3K9ac (Cat. No. bs-53092R) in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:31,700.

Catalog #1: bs-53092R

Applications: WB, ELISA, IF, dot-blot, ChIP-seq

Reactivity: Human, Mouse, Others

Conjugate: Unconjugated

ChIP was performed with the Bioss antibody against H3K4me1 (Cat. No. bs-53106R) on sheared chromatin from 1 million HeLaS3 cells using a ChIP-seq kit. A titration of the antibody consisting of 1, 2, 5 and 10 \u03bcg per ChIP experiment was analyzed. IgG (2 \u03bcg\/IP) was used as negative IP control. Quantitative PCR was performed with primers for a region surrounding the ACTB and GAS2L1 genes, used as positive controls, and for the promoters of the GAPDH and EIF4A2 genes, used as negative controls. The figure shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).
ChIP was performed as described above with 1 \u03bcg of the Bioss antibody against H3K4me1 (Cat. No. bs-53106R). The IP\u2019d DNA was subsequently analyzed on an Illumina Genome Analyzer. Library preparation, cluster generation, and sequencing were performed according to the manufacturer\u2019s instructions. The 36 bp tags were aligned to the human genome using the ELAND algorithm. Figure A and B show the enrichment in chromosomal regions surrounding the ACTB and GAS2L1 positive control genes. The position of the amplicon used in the qPCR validation is indicated by an arrow. Figure C and D show the H3K4me1 signal in two 1 Mb regions of chromosome 5, and X respectively.
To determine the titer, an ELISA was performed using a serial dilution of the Bioss antibody directed against H3K4me1 (Cat. No. bs-53106R) in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:20,100.
A Dot Blot analysis was performed to test the cross-reactivity of the Bioss antibody against H3K4me1 (Cat. No. bs-53106R) with peptides containing other modifications or unmodified sequences of histone H3 and H4. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:10,000. The figure shows a high specificity of the antibody for the modification of interest.

Catalog #1: bs-53106R

Applications: WB, ELISA, IF, dot-blot, ChIP-seq

Reactivity: Human, Mouse

Conjugate: Unconjugated

HeLa cells were stained with the Bioss antibody against H3K4me3 (Cat. No. bs-53103R) and with DAPI. Cells were fixed with 4% formaldehyde for 10\u2019 and blocked with PBS\/TX-100 containing 5% normal goat serum and 1% BSA. The cells were immunofluorescently labeled with the H3K4me3 antibody (left) diluted 1:100 in blocking solution followed by an anti-rabbit antibody conjugated to Alexa488. The middle panel shows staining of the nuclei with DAPI. A merge of the two stainings is shown on the right.
Western blot was performed on whole cell (40 \u00b5g, lane 1) and histone extracts (15 \u00b5g, lane 2) from HeLa cells, and on 1 \u00b5g of recombinant histone H2A, H2B, H3.1, H3.3 and H4 (lane 3, 4, 5, 6 and 7, respectively) using the Bioss antibody against H3K4me3 (Cat. No. bs-53103R). The antibody was diluted 1:500 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is shown on the right, the marker (in kDa) is shown on the left.
A Dot Blot analysis was performed to test the cross-reactivity of the Bioss antibody against H3K4me3 (Cat. No. bs-53103R) with peptides containing other modifications and unmodified sequences of histone H3 and H4. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:2,000. The figure shows a high specificity of the antibody for the modification of interest.
ChIP was performed on sheared chromatin from 1 million HeLa cells using 1 \u00b5g of the Bioss antibody against H3K4me3 (Cat. No. bs-53103R) as described above. The IP'd DNA was subsequently analyzed on an Illumina Genome Analyzer. Library preparation, cluster generation, and sequencing were performed according to the manufacturer's instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. The figure shows the peak distribution along the complete sequence and a 1.2 Mb region of the X-chromosome (figure A and B) and in two regions surrounding the GAPDH and EIF4A2 positive control genes, respectively (figure C and D). These results clearly show an enrichment of the H3K4 trimethylation at the promoters of active genes.

Catalog #1: bs-53103R

Applications: WB, IF, dot-blot, ChIP-seq

Reactivity: Human, Mouse, Others

Conjugate: Unconjugated

Western blot was performed on whole cell (25 \u00b5g, lane 1) and histone extracts (15 \u00b5g, lane 2) from HeLa cells, and on 1 \u00b5g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Bioss antibody against H3K9me3 (Cat. No. bs-53114R). The antibody was diluted 1:1,000 in TBS-Tween containing 5% skimmed milk.
HeLa cells were stained with the Bioss antibody against H3K9me3 (bs-53114R) and with DAPI. Cells were fixed with 4% formaldehyde for 10\u2019 and blocked with PBS\/TX-100 containing 5% normal goat serum and 1% BSA. The cells were immunofluorescently labeled with the H3K9me3 antibody (middle) diluted 1:1,000 in blocking solution followed by an anti-rabbit antibody conjugated to Alexa488. The left panel shows staining of the nuclei with DAPI. A merge of both stainings is shown on the right.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the antibody directed against human H3K9me3 (bs-53114R) in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:30,000.
A Dot Blot analysis was performed to test the cross-reactivity of the antibody against H3K9me3 (Cat. No. bs-53114R) with peptides containing other modifications and unmodified sequences of histone H3 and H4. One hundred to 0.2 pmol of the peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:20,000. The figure shows a high specificity of the antibody for the modification of interest.

Catalog #1: bs-53114r

Applications: WB, IHC-P, IHC-F, IF, ICC/IF

Reactivity: Human, Mouse, Rat

Conjugate: Unconjugated

Histone extracts (15 \u03bcg) from HeLa cells were analyzed by Western blot using the Bioss antibody against H3K9me2 (Cat. No. bs-53118R) diluted 1:1,000 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.
A Dot Blot analysis was performed to test the cross-reactivity of the Bioss antibody against H3K9me2 (Cat. No. bs-53118R) with peptides containing other modifications of histone H3 and the unmodified H3K9 sequence. One hundred to 0.2 pmol of the peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:20,000. Figure shows a high specificity of the antibody for the modification of interest.
Mouse NIH3T3 cells were stained with the Bioss antibody against H3K9me2 (Cat. No. bs-53118R) and with DAPI. Cells were fixed with 4% formaldehyde for 10\u2019 and blocked with PBS\/TX-100 containing 5% normal goat serum and 1% BSA. The cells were immunofluorescently labeled with the H3K9me2 antibody (left) diluted 1:500 in blocking solution followed by an anti-rabbit antibody conjugated to Alexa488. The middle panel shows staining of the nuclei with DAPI. A merge of the two stainings is shown on the right.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Bioss antibody against H3K9me2 (Cat. No. bs-53118R), crude serum and Flow through. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:103,000.

Catalog #1: bs-53118R

Applications: WB, ELISA, IF, dot-blot

Reactivity: Human, Mouse, Others

Conjugate: Unconjugated

Human osteosarcoma (U2OS) cells were stained with the Bioss antibody against H3K79me3 (Cat. No. bs-53121R) and with DAPI. Cells were fixed with 2.5% formaldehyde for 30\u2019 and blocked with PBS\/TX-100 containing 1% BSA. Figure A: cells were immunofluorescently labeled with the H3K79me3 antibody (left) diluted 1:300 in blocking solution followed by an anti-rabbit antibody conjugated to Alexa568 or with DAPI (right). Figure B and C: staining of the cells with the H3K79me3 antibody after incubation of the antibody with 2 ng\/\u03bcl H4K20me3 and H3K79me3 peptide, respectively.
Histone extracts of HeLa cells (15 \u03bcg) were analyzed by Western blot using the Bioss antibody against H3K79me3 (Cat. No. bs-53121R), diluted 1:1,000 in TBS-Tween containing 5% skimmed milk. The molecular weight marker is shown on the right; the location of the protein of interest is indicated on the left.
A Dot Blot analysis was performed to test the cross-reactivity of the Bioss antibody against H3K79me3 (Cat. No. bs-53121R) with peptides containing other histone modifications and the unmodified H3K79. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:20,000.The figure shows a high specificity of the antibody for the modification of interest.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of Bioss antibody directed against H3K79me3 (Cat. No. bs-53121R), crude serum and flow through in antigen-coated wells. The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:3,500.

Catalog #1: bs-53121R

Applications: WB, ELISA, IF, dot-blot

Reactivity: Human, Mouse, Yeast

Conjugate: Unconjugated

Western blot was performed on whole cell (25 \u03bcg, lane 1) and histone extracts (15 \u03bcg, lane 2) from HeLa cells, and on 1 \u03bcg of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Bioss antibody against H3K27me3 (Cat. No. bs-53122R) diluted 1:500 in TBS-Tween containing 5% skimmed milk.
A Dot Blot analysis was performed to test the cross-reactivity of the Bioss antibody against H3K27me3 (Cat. No. bs-53122R) with peptides containing other modifications of histone H3 and H4 and the unmodified H3K27 sequence. One hundred to 0.2 pmol of the peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. Please note that that antibody also recognizes the modification if S28 is phosphorylated.
Mouse NIH3T3 cells were stained with the Bioss antibody against H3K27me3 (Cat. No. bs-53122R) and with DAPI. Cells were fixed with 4% formaldehyde for 10\u2019 and blocked with PBS\/TX-100 containing 5% normal goat serum and 1% BSA. The cells were immunofluorescently labeled with the H3K27me3 antibody (left) diluted 1:200 in blocking solution followed by an anti-rabbit antibody conjugated to Alexa488. The middle panel shows staining of the nuclei with DAPI. A merge of the two stainings is shown on the right.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of H3K27me3 Polyclonal Antibody (Cat. No. bs-53122R). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:3,500.

Catalog #1: bs-53122R

Applications: WB, ELISA, IF, dot-blot, ChIP-seq

Reactivity: Human, Mouse, Rat, Others, Zebrafish, Drosophila

Conjugate: Unconjugated

HeLa cells were stained with the Bioss antibody against H3K18ac (cat. No. bs-53137R) and with DAPI. Cells were fixed with 4% formaldehyde for 10\u2019 and blocked with PBS\/TX-100 containing 5% normal goat serum and 1% BSA. The cells were immunofluorescently labeled with the H3K18ac antibody (left) diluted 1:200 in blocking solution followed by an anti-rabbit antibody conjugated to Alexa488. The middle panel shows staining of the nuclei with DAPI. A merge of the two stainings is shown on the right.
Western blot was performed on whole cell (25 \u03bcg, lane 1) and histone extracts (15 \u03bcg, lane 2) from HeLa cells, and on 1 \u03bcg of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Bioss antibody against H3K18ac (cat. No. bs-53137R). The antibody was diluted 1:500 in TBS-Tween containing 5% skimmed milk.
To test the cross-reactivity of the Bioss antibody against H3K18ac (cat. No. bs-53137R), a Dot Blot analysis was performed with peptides containing other histone modifications and the unmodified H3K18. One hundred to 0.2 pmol of the respective peptides were spotted on a membrane. The antibody was used at a dilution of 1:5,000. The figure shows a high specificity of the antibody for the modification of interest.
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Bioss antibody against H3K18ac (cat. No. bs-53137R). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution, the titer of the antibody was estimated to be 1:4,300.

Catalog #1: bs-53137R

Applications: WB, ELISA, IF, dot-blot, ChIP-seq

Reactivity: Human, Mouse

Conjugate: Unconjugated

Catalog #1: bs-53083R

Applications: ELISA

Reactivity: Mouse

Conjugate: Unconjugated

Catalog #1: bsm-53018M

Applications: WB

Reactivity: Human, Mouse

Conjugate: Unconjugated

Catalog #1: bs-53088R

Applications: ELISA

Reactivity: Human, Mouse

Conjugate: Unconjugated

Whole cell extracts from HL60 and NB4 cells (40 \u03bcg) were analysed by Western blot using TET2 (6A1) Monoclonal Antibody (bsm-53017M), diluted 1:2,000 in PBS containing 10% milk. The position of the protein of interest (expected MW 224 kDa) is indicated on the right; the marker (in kDa) is shown on the left.
IP was performed on 250 \u03bcg HL60 RIPA cell lysate using TET2 (6A1) Monoclonal Antibody (bsm-53017M) (lane 3) or an IgG negative control (lane 2). The input sample (25 \u03bcg RIPA lysate) was used as a positive control (lane 1). The samples were analysed by Western blot using TET2 (6A1) Monoclonal Antibody (bsm-53017M), diluted 1:2,000 in PBS containing 10% milk.

Catalog #1: bsm-53017M

Applications: WB, IP

Reactivity: Human, Mouse

Conjugate: Unconjugated