Actin exists as a ubiquitous protein involved with filament formation that make up large portions of the cytoskeleton. Actin filaments interact with myosin to assist in muscle contraction as well as aiding in cell motility and cytokinesis. In vertebrates there are three groups of actin isoforms: alpha, beta and gamma. The alpha actins are found in muscle tissues and are a major constituent of the contractile apparatus. The beta and gamma actins co-exists in most cell types as components of the cytoskeleton and as mediators of internal cell motility.
ACTA; ACTA1; actin alpha 1; Actin, alpha skeletal muscle; actin, alpha, cardiac muscle 1; actin, alpha, vascular smooth muscle; Actin, aortic smooth muscle; actin, beta; Actin, cytoplasmic 1; alpha Actin 1; alpha actin 2; alpha skeletal muscle Actin; Alpha-actin-1; Alpha-actin-2; alpha-cardiac actin; alpha-sma; ASMA; Atcb; beta cytoskeletal actin; Beta-actin; Cell growth-inhibiting gene 46 protein; Cytoplasmic beta-actin; NEM1; NEM2; nemaline myopathy type 3; PS1TP5-binding protein 1; smooth muscle alpha-actin
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