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- Table of Contents
Facts about Tropomyosin alpha-4 chain.
Smooth muscle contraction is regulated by interaction with caldesmon. In non-muscle cells is implicated in stabilizing cytoskeleton actin filaments (By similarity).
Human | |
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Gene Name: | TPM4 |
Uniprot: | P67936 |
Entrez: | 7171 |
Belongs to: |
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tropomyosin family |
TM30p1; tropomyosin 4; tropomyosin alpha-4 chain; tropomyosin-4
Mass (kDA):
28.522 kDA
Human | |
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Location: | 19p13.12-p13.11 |
Sequence: | 19; NC_000019.10 (16067507..16103005) |
Detected in cardiac tissue and platelets, the form found in cardiac tissue is a higher molecular weight than the form found in platelets. Expressed at higher levels in the platelets of hypertensive patients with cardiac hypertrophy than in the platelets of hypertensive patients without cardiac hypertrophy (at protein level).
Cytoplasm, cytoskeleton. Associates with F-actin stress fibers.
PMID: 3612796 by McLeod A.R., et al. Characterization of a cDNA defining a gene family encoding TM30p1, a human fibroblast tropomyosin.
PMID: 1836432 by Crabos M., et al. The calcium binding protein tropomyosin in human platelets and cardiac tissue: elevation in hypertensive cardiac hypertrophy.