| Overview |
| bs-70550R |
| Myosin IIA Heavy Chain (Ser-1803), Phosphospecific Antibody |
| WB |
| This antibody was cross-adsorbed to unphosphorylated Myosin IIA Heavy Chain (Ser-1803) peptide before affinity purification using phospho-Myosin IIA Heavy Chain (Ser-1803) peptide (without carrier). |
| Human, Mouse, Rat, Chicken |
| Specifications |
| Unconjugated |
| Rabbit |
| Phospho-Myosin IIA Heavy Chain (Ser-1803) synthetic peptide (coupled to KLH) corresponding to amino acid residues surrounding Ser-1803 in human myosin IIA heavy chain. |
| Ser-1803 |
| Polyclonal |
| IgG |
| Antigen Affinity purification |
| PBS + 1 mg/ml BSA, 0.05% NaN3 and 50% glycerol |
| Storage at -20°C is recommended, as aliquots may be taken without freeze/thawing due to presence of 50% glycerol. Stable for at least 1 year at -20°C. |
| Target |
| P35579 |
| NMHC-IIA, MYH9, myosin heavy chain |
| Non-muscle myosin II is an actin-based motor protein essential to cell motility, division, migration, adhesion and polarity. This myosin forms a hexameric complex comprised of two heavy chains (NMHC-II), two essential light chains, and two regulatory light chains (RLC). In vertebrates, there are three NMHC-II isoforms (NMHC-IIA, NMHC-IIB, and NMHC-IIC), which exhibit distinct patterns of expression in cells and tissues. Regulation of NMHC-II activity occurs through RLC and HC phosphorylation. RLCs are phosphorylated at Thr-18 and Ser-19, which activates myosin II motor activity and promotes filament stability. By contrast, PKC phosphorylation of Ser-1/Ser-2 and Thr-9 in RLC may decrease activated myosin II interaction with actin. Several kinases phosphorylation NMHC-II isoforms directly. TRPM7 phosphorylates Thr-1800, Ser-1803, and Ser-1808, which reduces NMHC-IIA incorporation into the actin cytoskeleton. PKC phosphorylates NMHC-IIA on Ser-1916 and NMHC-IIB on multiple tailpiece serines leading to inhibition of filament assembly. Casein kinase II phosphorylates NMHC-IIA on Ser-1943 and increases disassembly of NMHC-IIA filaments. |
| Application Dilution |
| WB |
1:300-5000 |
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