Synthetic peptide sequence: 1-17aa, MKMADAKQKRNEQLKRW.
Reconstitution information: Add 0.2 mL of distilled water will yield a concentration of 500 µg/mL.
Myosin phosphatase target subunit 1, which is also called the myosin-binding subunit of myosin phosphatase, is one of the subunits of myosin phosphatase. Myosin phosphatase regulates the interaction of actin and myosin downstream of the guanosine triphosphatase Rho. The small guanosine triphosphatase Rho is implicated in myosin light chain (MLC) phosphorylation, which results in contraction of smooth muscle and interaction of actin and myosin in nonmuscle cells. The guanosine triphosphate (GTP)-bound, active form of RhoA (GTP. RhoA) specifically interacted with the myosin-binding subunit (MBS) of myosin phosphatase, which regulates the extent of phosphorylation of MLC. Rho-associated kinase (Rho-kinase), which is activated by GTP. RhoA, phosphorylated MBS and consequently inactivated myosin phosphatase. Overexpression of RhoA or activated RhoA in NIH 3T3 cells increased phosphorylation of MBS and MLC. Thus, Rho appears to inhibit myosin phosphatase through the action of Rho-kinase. Several transcript variants encoding different isoforms have been found for this gene.
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Protein Aliases: MBS, MYPT1; MBSP; myosin binding subunit; Myosin phosphatase target subunit 1; myosin phosphatase, target subunit 1; Myosin phosphatase-targeting subunit 1; PP-1M; PPP1R12A; Protein phosphatase 1 regulatory subunit 12A; protein phosphatase 1, regulatory (inhibitor) subunit 12A; protein phosphatase 1, regulatory subunit 12A; Protein phosphatase myosin-binding subunit; Protein phosphatase subunit 1M; Serine/threonine protein phosphatase PP1 smooth muscle regulatory subunit M110; smooth muscle myosin phosphatase myosin-binding subunit
Gene Aliases: 1200015F06Rik; 5730577I22Rik; AA792106; AV099298; D10Ertd625e; M110; M130; MBS; MBSP; MYPT1; PPP1R12A