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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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Catalog #1: bsm-2129M

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

Reactivity: Others

Conjugate: Unconjugated

Catalog #1: bsm-52995r

Applications: WB

Reactivity: Others, All

Conjugate: Unconjugated

Catalog #1: bsm-2182M-Biotin

Applications: ELISA, IHC-P

Reactivity: Others

Conjugate: Biotin

Catalog #1: bsm-2182M-HRP

Applications: ELISA, IHC-P

Reactivity: Others

Conjugate: HRP

Catalog #1: bsm-2182M

Applications: ELISA, IHC-P, IF(IHC-P)

Reactivity: Others

Conjugate: Unconjugated

Catalog #1: bsm-2182M-Cy3

Applications: IF(IHC-P)

Reactivity: Others

Conjugate: Cy3

Catalog #1: bsm-2182M-Cy5

Applications: IF(IHC-P)

Reactivity: Others

Conjugate: Cy5

Catalog #1: bsm-2182M-Cy7

Applications: IF(IHC-P)

Reactivity: Others

Conjugate: Cy7

Catalog #1: bsm-2182M-FITC

Applications: IF(IHC-P)

Reactivity: Others

Conjugate: FITC

Catalog #1: bsm-2271M-Biotin

Applications: ELISA, IHC-P, IHC-F

Reactivity: Virus, Others

Conjugate: Biotin

Catalog #1: bsm-2271M-HRP

Applications: ELISA, IHC-P, IHC-F

Reactivity: Virus, Others

Conjugate: HRP

Catalog #1: bsm-2271M

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

Reactivity: Virus, Others

Conjugate: Unconjugated

Image kindly submitted by Edita Aksamitiene as part of the Free Sample Program. MCF-7 cells probed with Rabbit Anti-Collagen I\uffa0Polyclonal antibody (bs-10423R)at 1:1000.
This image was kindly submitted by Kandy Velazquez of USC School of Medicine.\r\nMouse adipose tissue lysates probed with Collagen I Polyclonal Antibody, unconjugated (bs-10423R) at 1:1000 overnight at 4\u00b0C followed by a conjugated secondary antibody at 1:2000 for 60 minutes at room temperature.
Paraformaldehyde-fixed, paraffin embedded Mouse skin; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Blocking buffer (normal goat serum) at 37\u00b0C for 30min; Incubation: Collagen I Antibody, Alexa Fluor 647 Conjugated (bs-10423R-AF647) at 1:400, for 1.5 hours at 37\u00b0C.
Lane 1: Mouse Ovary; Lane 2: NIH\/3T3; Lane 3: Rat Liver; Lane 4: 293T; Lane 5: A431; Lane 6: RAW264.7; Probed with Collagen I Polyclonal Antibody (bs-10423R) at 1:300 dilution overnight at 4\u00b0C followed by a conjugated secondary antibody for 60 minutes at 37\u00b0C.\r\n

Catalog #1: bs-10423r

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

Reactivity: Human, Mouse, Rat

Conjugate: Unconjugated

Catalog #1: bsm-52960r-100ul

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

Reactivity: Others

Conjugate: Unconjugated

Catalog #1: bs-19393R-Biotin

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human

Conjugate: Biotin

Catalog #1: bs-19393R

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

Reactivity: Human

Conjugate: Unconjugated

Catalog #1: bs-19393R-HRP

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human

Conjugate: HRP

Catalog #1: bs-19393R-FITC

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

Reactivity: Human

Conjugate: FITC

Catalog #1: bs-19393R-Cy3

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

Reactivity: Human

Conjugate: Cy3

Catalog #1: bs-19393R-Cy5

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

Reactivity: Human

Conjugate: Cy5

Catalog #1: bs-19393R-Cy7

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

Reactivity: Human

Conjugate: Cy7

Catalog #1: bsm-52887R

Applications: WB

Reactivity: Tags, Others

Conjugate: Unconjugated

Catalog #1: bsm-52888R

Applications: WB, IHC-P

Reactivity: Others

Conjugate: Unconjugated

Catalog #1: bs-0486R-PE

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

Reactivity: Human, Mouse, Rat, Sheep

Conjugate: PE

Antigen: Phospho Mu Opioid Receptor (blue line), 0.2ug\/100ul; Mu Opioid Receptor(red line), 0.2ug\/100ul\\nPrimary: Antiserum, 1:500, 1:1000, 1:2000, 1:4000, 1:8000, 1:16000, 1:32000; \\nSecondary: HRP conjugated Goat Anti-Rabbit IgG(bs-0295G-HRP) at 1: 5000; \\nTMB staining; \\nRead the data in MicroplateReader by 450nm. \\n
Image kindly provided by Dr. Stefen Clemens of East Carolina University. pMOR protein expression levels in the spinal cords of WT and D3KO mice (top lanes), and their respective \u00df-actin protein expression (bottom panels). Rabbit Anti-mu Opioid Receptor (Ser375) Polyclonal Antibody was used at a dilution of 1:1000.

Catalog #1: bs-3724R

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

Reactivity:

Conjugate: Unconjugated

Catalog #1: bsm-51008M

Applications: WB

Reactivity: Human, Others

Conjugate: Unconjugated

Catalog #1: bsm-51003m

Applications: WB

Reactivity: Species independent

Conjugate: Unconjugated

Catalog #1: bs-8850R-Biotin

Applications: ELISA, IHC-P, IHC-F

Reactivity: Others

Conjugate: Biotin

Catalog #1: bs-8850R

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

Reactivity: Others

Conjugate: Unconjugated

Catalog #1: bs-8850R-HRP

Applications: ELISA, IHC-P, IHC-F

Reactivity: Others

Conjugate: HRP

Catalog #1: bs-20658R-Biotin

Applications: WB, IHC-P, IHC-F

Reactivity: Human, Mouse, Rat

Conjugate: Biotin

Catalog #1: bs-20658R-HRP

Applications: WB, IHC-P, IHC-F

Reactivity: Human, Mouse, Rat

Conjugate: HRP

Mouse ovary lysates probed with FSH Receptor Polyclonal Antibody (bs-20658R) at 1:300 overnight at 4\u00b0C followed by a conjugated secondary antibody for 60 minutes at 37\u00b0C.
MCF7 cells were incubated in 5% BSA blocking buffer for 30 min at room temperature. Cells were then stained with FSH Receptor Polyclonal Antibody at 1\uff1a50 dilution in blocking buffer and incubated for 30 min at room temperature, washed twice with 2%BSA in PBS, followed bysecondary antibody incubation for 40 min at room temperature. Acquisitions of 20,000 events were performed.

Catalog #1: bs-20658R

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

Reactivity: Human, Mouse, Rat

Conjugate: Unconjugated

Catalog #1: bs-20658R-Cy5

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

Reactivity: Human, Mouse, Rat

Conjugate: Cy5

Catalog #1: bs-20658R-Cy3

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

Reactivity: Human, Mouse, Rat

Conjugate: Cy3

Catalog #1: bs-20658R-Cy7

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

Reactivity: Human, Mouse, Rat

Conjugate: Cy7

Catalog #1: bs-20658R-FITC

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

Reactivity: Human, Mouse, Rat

Conjugate: FITC

Catalog #1: bs-20658R-PE

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

Reactivity: Human, Mouse, Rat

Conjugate: PE

Catalog #1: bsm-52042m-100ul

Applications: WB, ICC/IF

Reactivity: Human, Others

Conjugate: Unconjugated

Histone extracts of HeLa cells (15 \u03bcg) were analysed by Western blot using the H4K20me1 Polyclonal Antibody (bs-53035R) 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.
To check the specificity of H4K20me1 Polyclonal Antibody (bs-53035R) at 1:20,000 dilution, a Dot Blot was performed with peptides containing different modifications of histone H4 and the unmodified sequence. 0.2 to 100 pmol concentration of peptides were spotted on to a membrane. Experiment shows specificity of the antibody for the modification of interest.
To determine the titer, an ELISA was performed using a serial dilution of the H4K20me1 Polyclonal Antibody (bs-53035R), to detect peptide containing histone modification of interest. By plotting the absorbance against antibody dilutions, titer of the antibody was estimated to be 1:8,000.
ChIP were performed using U2OS cells using H4K20me1 Polyclonal Antibody (bs-53035R). Chromatin was sheared 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 negative IP control. Quantitative PCR was performed with primers for the GAPDH promoter and for the coding region of the myogenic differentiation gene (MYOD) which is inactive at normal conditions. This figure shows the recovery, expressed as a % of input.

Catalog #1: bs-53035R

Applications: WB, ELISA, dot-blot

Reactivity: Human, Others

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

Western blot was performed on whole cell extracts from HeLa cells (25 \u03bcg, lane 1) and recombinant histone H2A, H2B, H3 and H4 (1ug, lane 2, 3, 4 and 5, respectively) using the H3pan (1B2) Monoclonal Antibody (bsm-53008M). The antibody was diluted 1:1,000 in TBSTween containing 5% skimmed milk, followed by secondary antibody incubation and exposure.
Western blot was performed on whole cell extracts (30\u03bcg) from different cell types (lane 1: HeLa, lane 2: K562, lane 3: MCF7, lane 4: U2OS, lane 5: HepG2, lane 6: Jurkat, lane 7: NIH3T3, lane 8: E14Tg2a mouse ES cells) using H3pan Monoclonal Antibody (bsm-53008M) at 1:1,000 dilution in TBS-Tween containing 5% skimmed milk, followed by secondary antibody incubation and exposure.
HeLa cells stained with the H3pan Monoclonal Antibody (bsm-53008M) and with DAPI. Cells were fixed with 4% formaldehyde for 10\u2019 and blocked with PBS\/TX-100 containing 1% BSA. The cells were labeled with the H3 antibody (middle) diluted 1:500 in blocking solution followed by an anti-mouse antibody conjugated to Alexa594. The left panel shows staining of the nuclei with DAPI. A merge of the two stainings is shown on the right.

Catalog #1: bsm-53008M

Applications: WB, IF(ICC)

Reactivity: Human, Others

Conjugate: Unconjugated

Histone extracts (15 \u03bcg) from HeLa cells were analysed by Western blot using H3K4me2 (4B4) Monoclonal Antibody (cat. No. bsm-53014M) 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.
HeLa cells were stained with H3K4me2 (4B4) Monoclonal Antibody (cat. No. bsm-53014M) 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 labelled with the H3K4me2 antibody (left) diluted 1:500 in blocking solution followed by an anti-mouse antibody conjugated to Alexa594. The middle panel shows staining of the nuclei with DAPI. A merge of the two staining is shown on the right.
To test the specificity an ELISA was performed using a serial dilution of the H3K4me2 (4B4) Monoclonal Antibody (cat. No. bsm-53014M). The wells were coated with peptides containing the unmodified H3K4 as well as the mono-, di- and trimethylated H3K4 and the dimethylated H3K9. Figure shows a high specificity of the antibody for the modification of interest.
ChIP assays were performed using HeLa cells, H3K4me2 (4B4) Monoclonal Antibody (cat. No. bsm-53014M) 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 1, 5 and 10 \u03bcg per ChIP was analysed. IgG (5 \u03bcg\/IP) was used as negative IP control. QPCR was performed with primers for the promoter and the coding region of the GAPDH gene, and for the RPL10 and HBB promoters. Figure shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).

Catalog #1: bsm-53014M

Applications: WB, ELISA, IF(ICC)

Reactivity: Human, Others

Conjugate: Unconjugated

Histone extracts (15 \u03bcg) from HeLa cells were analysed by Western blot using H3K4me3 (2G10) Monoclonal Antibody (Cat. No. bsm-53015M) 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.
HeLa cells were stained with H3K4me3 (2G10) Monoclonal Antibody (Cat. No. bsm-53015M) 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 labelled with the H3K4me3 antibody (left) diluted 1:500 in blocking solution followed by an anti-mouse antibody conjugated to Alexa594. The middle panel shows staining of the nuclei with DAPI. A merge of the two staining is shown on the right.
To test the specificity an ELISA was performed using a serial dilution of H3K4me3 (2G10) Monoclonal Antibody (Cat. No. bsm-53015M). The wells were coated with peptides containing the unmodified H3K4 as well as the mono-, di- and trimethylated H3K4 and the trimethylated H3K9. Figure shows a high specificity of the antibody for the modification of interest.
ChIP assays were performed using human HeLa cells, \r\nH3K4me3 (2G10) Monoclonal Antibody (bsm-53015M) and optimized PCR primer pairs for qPCR. ChIP was performed using sheared chromatin from 1 million cells on the SX-8G IP-Star automated system. 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 GAPDH and c-fos genes (positive controls), and exon 2 of the inactive myoglobin (MB) gene and Sat2 satellite repeat (negative controls). 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 trimethylation of K4 at histone H3 is associated with the promoters of active genes.

Catalog #1: bsm-53015M

Applications: WB, ELISA, IF(ICC)

Reactivity: Human, Others

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

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 assays were performed using HeLa cells, the Bioss antibody against H3K27me1 (Cat. No. bs-53108R) and optimized PCR primer sets for qPCR. ChIP was performed using sheared chromatin from 100,000 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. QPCR was performed with primers for the promoter and the coding region of the active gene GAPDH used as a negative and a positive control target, respectively. 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 Bioss antibody directed against H3K27me1 (Cat. No. bs-53108R). 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 1:32,900.
A Dot Blot analysis was performed to test the cross-reactivity of the Bioss antibody against H3K27me1 (Cat. No. bs-53108R) 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.
Histone extracts (15 \u03bcg) from HeLa cells were analyzed by Western blot using the Bioss antibody against H3K27me1 (Cat. No. bs-53108R) 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.

Catalog #1: bs-53108R

Applications: WB, ELISA, IF, dot-blot

Reactivity: Human, Others

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