R Recombinant
Recombinant: Superior lot-to-lot consistency, continuous supply, and animal-free manufacturing.
Myosin Light Chain 2 (D18E2) Rabbit mAb #8505
Filter:
- WB
Supporting Data
| REACTIVITY | H M R |
| SENSITIVITY | Endogenous |
| MW (kDa) | 18 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
- R-Rat
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
Myosin Light Chain 2 (D18E2) Rabbit mAb recognizes endogenous levels of total myosin light chain 2 protein.
Species Reactivity:
Human, Mouse, Rat
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human myosin light chain 2 protein.
Background
Myosin is composed of six polypeptide chains: two identical heavy chains and two pairs of light chains. Myosin light chain 2 (MLC2), also known as myosin regulatory light chain (MRLC), RLC, or LC20, has many isoforms depending on its distribution. In smooth muscle, MLC2 is phosphorylated at Thr18 and Ser19 by myosin light chain kinase (MLCK) in a Ca2+/calmodulin-dependent manner (1). This phosphorylation is correlated with myosin ATPase activity and smooth muscle contraction (2). ROCK also phosphorylates Ser19 of smooth muscle MLC2, which regulates the assembly of stress fibers (3). Phosphorylation of smooth muscle MLC2 at Ser1/Ser2 and Ser9 by PKC and cdc2 has been reported to inhibit myosin ATPase activity (4,5). Phosphorylation by cdc2 controls the timing of cytokinesis (5). Transgenic mice lacking phosphorylation sites on the cardiac muscle isoform show morphological and functional abnormalities (6).
- Ikebe, M. and Hartshorne, D.J. (1985) J. Biol. Chem. 260, 10027-10031.
- Tan, J. L. et al. (1992) Annu. Rev. Biochem. 61, 721-759.
- Totsukawa, G. et al. (2000) J. Cell Biol. 150, 797-806.
- Ikebe, M. et al. (2000) J. Biol. Chem. 262, 9569-9573.
- Satterwhite, L. L. et al. (1992) J. Cell Biol. 118, 595-605.
- Sanbe, A. et al. (1999) J. Biol. Chem. 274, 21085-21094.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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