Myosin, a structural component of muscle, consists of two heavy chains and four light chains. Myosin light chain may regulate muscle contraction by modulating the ATPase activity of myosin heads. It also binds calcium and is activated by myosin light chain kinase. Two transcript variants encoding different isoforms have been found.
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Protein Aliases: 20 kDa myosin light chain; LC20; MGC3505; MLC-2C; myosin light chain, regulatory C; myosin regulatory light chain; myosin regulatory light chain 1; Myosin regulatory light chain 2, smooth muscle isoform; Myosin regulatory light chain 9; Myosin regulatory light chain MRLC1; Myosin regulatory light polypeptide 9; Myosin RLC; myosin, light chain 9, regulatory; myosin, light polypeptide 9, regulatory
Gene Aliases: AI327049; LC20; MLC-2C; MLC2; MLC20; MRLC1; MYL9; Mylc2c; MYRL2; RLC-C
Molecular Function: actin or actin-binding cytoskeletal protein