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Sep. 10, 2014:
A total of 174 experimentally verified S-nitrosylation sites on 94 S-nitrosylated proteins from individualized human colorectal cancer tissues using a label-free quantitation strategy.

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Protein Name: Caldesmon

UniprotKB/SwissProt ID: Q05682 (Q05682)

Gene Name: CALD1

Organism: Homo sapiens (Human)

Function: Actin- and myosin-binding protein implicated in the regulation of actomyosin interactions in smooth muscle and nonmuscle cells (could act as a bridge between myosin and actin filaments). Stimulates actin binding of tropomyosin which increases the stabilization of actin filament structure. In muscle tissues, inhibits the actomyosin ATPase by binding to F-actin. This inhibition is attenuated by calcium-calmodulin and is potentiated by tropomyosin. Interacts with actin, myosin, two molecules of tropomyosin and with calmodulin. Also plays an essential role during cellular mitosis and receptor capping. Involved in Schwann cell migration during peripheral nerve regeneration (By similarity)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cytoplasm, cytoskeleton. Cytoplasm, myofibril. Cytoplasm, cytoskeleton, stress fiber

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR006017 Caldesmon
IPR006018 Caldesmon_LSP

The S-nitrosylation sites of Q05682

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 636 GLSDDKKPFK C FTPKGSSLKI