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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: Colorectal mutant cancer protein

UniprotKB/SwissProt ID: P23508 (P23508)

Gene Name: MCC

Organism: Homo sapiens (Human)

Function: Candidate for the putative colorectal tumor suppressor gene located at 5q21. Suppresses cell proliferation and the Wnt/b-catenin pathway in colorectal cancer cells. Inhibits DNA binding of b-catenin/TCF/LEF transcription factors. Involved in cell migration independently of RAC1, CDC42 and p21-activated kinase (PAK) activation (PubMed:18591935, PubMed:19555689, PubMed:22480440). Represses the beta-catenin pathway (canonical Wnt signaling pathway) in a CCAR2-dependent manner by sequestering CCAR2 to the cytoplasm, thereby impairing its ability to inhibit SIRT1 which is involved in the deacetylation and negative regulation of beta-catenin (CTNB1) transcriptional activity (PubMed:24824780)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cell membrane. Cell projection, lamellipodium. Nucleus. Cytoplasm

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR040171 USBP1-like
IPR019536 USHBP1_PDZ-bd

The S-nitrosylation sites of P23508

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 58 LLEKKLAKAQ C EQSHLMREHE  CCCCCCCCCC C CCHHHHHHHH  6.5% 24105792
2 697 SGSKDKPGKE C ADAASPALSL  CCCCCCCCCC C CCHHHHHHHH  4.78%