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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: Pyrroline-5-carboxylate reductase 2

UniprotKB/SwissProt ID: Q96C36 (Q96C36)

Gene Name: PYCR2

Organism: Homo sapiens (Human)

Function: Oxidoreductase that catalyzes the last step in proline biosynthesis, which corresponds to the reduction of pyrroline-5-carboxylate to L-proline using NAD(P)H (PubMed:23024808, PubMed:2722838, PubMed:6894153). At physiologic concentrations, has higher specific activity in the presence of NADH (PubMed:23024808, PubMed:2722838, PubMed:6894153). Involved in cellular response to oxidative stress (PubMed:25865492). In some cell types, such as erythrocytes, its primary function may be the generation of NADP(+) (PubMed:2722838, PubMed:6894153)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cytoplasm. Mitochondrion

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR008927 6-PGluconate_DH-like_C_sf
IPR036291 NAD(P)-bd_dom_sf
IPR028939 P5C_Rdtase_cat_N
IPR053790 P5CR-like_CS
IPR029036 P5CR_dimer
IPR000304 Pyrroline-COOH_reductase

The S-nitrosylation sites of Q96C36

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 225 KMLLDSEQHP C QLKDNVCSPG   
2 262 SLLINAVEAS C IRTRELQSMA    37478858
3 95 DVQARHIVVS C AAGVTISSVE