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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: Chloride intracellular channel protein 4

UniprotKB/SwissProt ID: Q9QYB1 (Q9QYB1)

Gene Name: Clic4

Organism: Mus musculus (Mouse)

Function: In the soluble state, catalyzes glutaredoxin-like thiol disulfide exchange reactions with reduced glutathione as electron donor (By similarity). Can insert into membranes and form voltage-dependent multi-ion conductive channels. Membrane insertion seems to be redox-regulated and may occur only under oxidizing conditions (By similarity). Has alternate cellular functions like a potential role in angiogenesis or in maintaining apical-basolateral membrane polarity during mitosis and cytokinesis. Could also promote endothelial cell proliferation and regulate endothelial morphogenesis (tubulogenesis). Promotes cell-surface expression of HRH3 (By similarity)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Cytoplasmic vesicle membrane. Nucleus. Cell membrane. Mitochondrion. Cell junction

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR002946 CLIC
IPR053823 CLIC_N
IPR010987 Glutathione-S-Trfase_C-like
IPR036282 Glutathione-S-Trfase_C_sf
IPR040079 Glutathione_S-Trfase
IPR036249 Thioredoxin-like_sf

The S-nitrosylation sites of Q9QYB1

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 100 KIEEFLEEVL C PPKYLKLSPK  CCCCCCCCCC C HHHCCHHHHH  7.01% 21278135
2 189 LDGDEMTLAD C NLLPKLHIVK  CCCCCCCCCC C HHHCCHHHHH  3% 21278135
3 234 AYSRDEFTNT C PSDKEVEIAY  CCCCCCCCCC C HHHCCHHHHH  3.09% 21278135
4 35 AGSDGESIGN C PFSQRLFMIL  CCCCCCCCCC C HHHCCHHHHH  2.8% 21278135