Abcam, ab28052, Anti-Alpha Skeletal Muscle Actin antibody [Alpha Sr-1] - Loading Control

Size: 50µL
Mouse Monoclonal alpha skeletal muscle Actin antibody. Suitable for ICC, WB and reacts with Human, Rat samples. Cited in 55 publications. Immunogen corresponding to Tissue preparation containing ACTA1 protein.
Key facts
Host species:Mouse,
Clonality:Monoclonal,
Clone number:Alpha Sr-1,
Isotype:IgM,
Carrier free:No,
Reacts with:Rat, Human,
Applications:ICC, WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Tissue preparation containing ACTA1 protein. The exact immunogen used to generate this antibody is proprietary information.P68135,
Specificity:In Western blotting of pure rabbit striated muscle actin or of total extracts from different tissues, e.g. rat striated muscle, rat myocardium, rat aortic media, human fibroblasts and pure chicken gizzard actin, ab28052 labels alpha-skeletal (alpha-sarcomeric) and alpha-cardiac muscle actins. No labelling is observed with actin from fibroblasts (alpha-smooth muscle and beta-cytoplasmic actin), aorta (alpha-smooth muscle actin), or chicken gizzard (gamma-smooth muscle actin).

Properties and Storage Information:
Form-Liquid, Purity-Tissue culture supernatant, Storage buffer-pH: 7.2Preservative: 0.097% Sodium azideConstituents: 0.79% Tris HCl, Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Alpha Skeletal Muscle Actin also known as Actin Alpha 1 Actin Alpha and Actin Protein is a highly conserved protein important for muscle function. It has a molecular mass of approximately 42 kDa. This protein is expressed in skeletal muscle tissues and is an essential component of muscle cell's cytoskeleton. The actin family to which Alpha Skeletal Muscle Actin belongs is integral for maintaining cell shape integrity and movement. This isoform of actin is especially significant in forming thin filaments in muscle fibers which are essential for muscle contraction.
Biological function summary
Alpha Skeletal Muscle Actin plays an essential role in the contractile apparatus of muscle cells. It exists as part of the actin filament complex interacting closely with myosin motor proteins. This interaction powers the sliding mechanism that enables muscle contraction and relaxation. Alpha-actin is responsible for mechanical stiffness and tension within muscle tissues enabling muscle fibers to withstand physical stress. The protein's structural role in muscle cells makes it indispensable for proper muscle function and muscle fiber stability.
Pathways
Alpha Skeletal Muscle Actin is deeply involved in the cytoskeletal organization and muscle contraction pathways. It is pivotal in the actin-myosin interaction pathway where it binds to troponin and tropomyosin which regulate muscle contraction cycles. Within these pathways the protein ensures coordinated muscle contractions alongside other proteins like myosin heavy chain and tropomyosin. These interactions coordinate muscle contraction maintaining muscle tone and health.
Alpha Skeletal Muscle Actin mutations have a direct link to various myopathies including actin myopathy and nemaline myopathy. These conditions often result in muscle weakness and occasionally muscle degeneration. The protein's malfunction may also connect to cardiomyopathies due to its important role in muscle function. Research suggests that protein interactions with dystrophin another muscle-associated protein might further elucidate its role in these muscle disorders. Actin dysfunction in these conditions highlights the necessity for healthy actin filaments for skeletal muscle integrity and function.