CACNA2D1 Monoclonal Antibody (20A)

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Product Description

MA3-921 detects 1,4-dihydropyridine (DHP) receptor alpha-2 subunit from human, rat, mouse, guinea pig and rabbit skeletal and cardiac muscle. MA3-921 has been successfully used in Western blot, immunocytochemistry, immunofluorescence, and immunohistochemistry procedures. By Western blot, this antibody detects a 220 kDa protein under non-reducing and a 143 kDa protein under reducing conditions representing DHP from rabbit skeletal muscle membrane preparations. Immunohistochemical staining of DHP in rabbit skeletal muscle with MA3-921 results in double rows of discrete punctate staining representing pairs of triads on the opposing sides of the Z-lines. The MA3-921 antigen is purified rabbit DHP receptor. This gene encodes a member of the alpha-2/delta subunit family, a protein in the voltage-dependent calcium channel complex. Calcium channels mediate the influx of calcium ions into the cell upon membrane polarization and consist of a complex of alpha-1, alpha-2/delta, beta, and gamma subunits in a 1:1:1:1 ratio. Research on a highly similar protein in rabbit suggests the protein described in this record is cleaved into alpha-2 and delta subunits. Alternate transcriptional splice variants of this gene have been observed but have not been thoroughly characterized.