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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: SPARC

UniprotKB/SwissProt ID: P16975 (P16975)

Gene Name: Sparc

Organism: Rattus norvegicus (Rat)

Function: Appears to regulate cell growth through interactions with the extracellular matrix and cytokines. Binds calcium and copper, several types of collagen, albumin, thrombospondin, PDGF and cell membranes. There are two calcium binding sites; an acidic domain that binds 5 to 8 Ca(2+) with a low affinity and an EF-hand loop that binds a Ca(2+) ion with a high affinity

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Secreted, extracellular space, extracellular matrix, basement membrane

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR011992 EF-hand-dom_pair
IPR018247 EF_Hand_1_Ca_BS
IPR003645 Fol_N
IPR015369 Follistatin/Osteonectin_EGF
IPR002350 Kazal_dom
IPR036058 Kazal_dom_sf
IPR001999 Osteonectin_CS
IPR019577 SPARC/Testican_Ca-bd-dom
IPR037641 SPARC_FS

The S-nitrosylation sites of P16975

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 147 HKLHLDYIGP C KYIAPCLDSE