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TPM4 (tropomyosin 4) is a member of the tropomyosin family of actin-binding proteins involved in the contractile system of striated and smooth muscles and the cytoskeleton of non-muscle cells. TPM4 plays a central role in association with the troponin complex in the calcium dependent regulations of vertebrate striated muscle contraction. Tropomyosins are dimers of coiled-coil proteins that polymerize end-to-end along the major groove in most actin filaments. They provide stability to the filaments and regulate access of other actin-binding proteins. In muscle cells, they regulate muscle contraction by controlling the binding of myosin heads to the actin filament. Multiple transcript variants encoding different isoforms have been found for this gene.
2610528G24Rik; epididymis secretory protein Li 108; HEL-S-108; TM30p1; TM-4; TPM4; Tpm4.2; Tpm4.2cy; tropomycin 4; tropomyosin; tropomyosin 4; tropomyosin alpha-4 chain; Tropomyosin-4
150 µL
150 µL
100 µg
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100 µg
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