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SCAB1

Gene
SCAB1
Protein
Stomatal closure-related actin-binding protein 1
Organism
Arabidopsis thaliana
Length
496 amino acids
Function
Plant-specific actin binding protein that bundles and stabilizes microfilaments (MFs). Has no nucleation or capping activity. Regulates MF reorganization during stomatal closure. The binding to F-actin is insensitive to Ca(2+) and pH. Binds weakly to inositol phosphates (PubMed:22356912).
Similarity
Belongs to the SCAB family.
Mass
55.418 kDa
Sequence
MTRVTRDFRDSLQRDGVPAVSADVKFASSRFPNYRIGANDQIFDVKDDPKVMSMKEVVARETAQLMDQQKRLSVRDLAHKFEKGLAAAAKLSEEAKLKEATSLEKHVLLKKLRDALESLRGRVAGRNKDDVEEAIAMVEALAVQLTQREGELFIEKAEVKKLASFLKQASEDAKKLVDEERAFARAEIESARAAVQRVEEALREHEQMSRASGKQDMEDLMKEVQEARRIKMLHQPSRVMDMEYELRALRNQLAEKSKHFLQLQKKLAMCRKSEENISLVYEIDGTEALGSCLRVRPCSNDAPDLSKCTIQWYRSSSDGSKKELISGATKSVYAPEPFDVGRVLHADIIYDGHSLSLSTVGKIDPAAGLGSYVEALVRKHDVDFNVVVTQMSGEDHTSESIHLFHVGKMRIKLCKGKTVIAKEYYSSAMQLCGVRGGGNAAAQALYWQAKKGVSFVIAFESERERNAAIMLARRFACDCNVTLAGPEDRTETGQSP