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- Table of Contents
Facts about Caldesmon.
In muscle cells, inhibits the actomyosin ATPase by binding to F-actin. This inhibition is attenuated by calcium-calmodulin and is potentiated by tropomyosin.
Human | |
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Gene Name: | CALD1 |
Uniprot: | Q05682 |
Entrez: | 800 |
Belongs to: |
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caldesmon family |
CAD; CALD1; caldesmon 1; Caldesmon; CDM; CDMH-CAD; HCAD; LCAD; L-CAD; MGC21352; NAG22
Mass (kDA):
93.231 kDA
Human | |
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Location: | 7q33 |
Sequence: | 7; NC_000007.14 (134779629..134970729) |
High-molecular-weight caldesmon (isoform 1) is predominantly expressed in smooth muscles, whereas low-molecular- weight caldesmon (isoforms 2, 3, 4 and 5) are widely distributed in non-muscle tissues and cells. Not expressed in skeletal muscle or heart.
Cytoplasm, cytoskeleton. Cytoplasm, myofibril. Cytoplasm, cytoskeleton, stress fiber. On thin filaments in smooth muscle and on stress fibers in fibroblasts (nonmuscle).
PMID: 1885618 by Novy R.E., et al. Characterization of cDNA clones encoding a human fibroblast caldesmon isoform and analysis of caldesmon expression in normal and transformed cells.
PMID: 1555769 by Humphrey M.B., et al. Cloning of cDNAs encoding human caldesmons.