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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: CD320 antigen

UniprotKB/SwissProt ID: Q9NPF0 (Q9NPF0)

Gene Name: CD320

Organism: Homo sapiens (Human)

Function: Receptor for transcobalamin saturated with cobalamin (TCbl) (PubMed:18779389). Plays an important role in cobalamin uptake (PubMed:18779389, PubMed:20524213). Plasma membrane protein that is expressed on follicular dendritic cells (FDC) and mediates interaction with germinal center B cells (PubMed:10727470). Functions as costimulator to promote B cell responses to antigenic stimuli; promotes B cell differentiation and proliferation (PubMed:10727470, PubMed:11418631). Germinal center-B (GC-B) cells differentiate into memory B-cells and plasma cells (PC) through interaction with T-cells and follicular dendritic cells (FDC) (PubMed:11418631). CD320 augments the proliferation of PC precursors generated by IL-10 (PubMed:11418631)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cell membrane

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR036055 LDL_receptor-like_sf
IPR050685 LDLR
IPR023415 LDLR_class-A_CS
IPR002172 LDrepeatLR_classA_rpt

The S-nitrosylation sites of Q9NPF0

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 132 KKLRNCSRLA C LAGELRCTLS   
2 94 SDEEECRIEP C TQKGQCPPPP