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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: Aldo-keto reductase family 1 member C21

UniprotKB/SwissProt ID: Q91WR5 (Q91WR5)

Gene Name: Akr1c21

Organism: Mus musculus (Mouse)

Function: NADP-dependent 17-alpha-hydroxysteroid dehydrogenase that converts 5-alpha-androstane-3,17-dione into androsterone. Has lower 3-alpha-hydroxysteroid dehydrogenase activity. Has broad substrate specificity and acts on various 17-alpha-hydroxysteroids, 17-ketosteroids, 3-alpha hydroxysteroids and 3-ketosteroids. Reduction of keto groups is strictly stereoselective. Reduction of 17-ketosteroids yields only 17-alpha-hydroxysteroids. Likewise, reduction of 3-ketosteroids yields only 3-alpha-hydroxysteroids

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cytoplasm

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR020471 AKR
IPR044482 AKR1C
IPR018170 Aldo/ket_reductase_CS
IPR023210 NADP_OxRdtase_dom
IPR036812 NADP_OxRdtase_dom_sf

The S-nitrosylation sites of Q91WR5

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 188 NKPGLKYKPV C NQVECHPYLN   
2 87 EDIFYTSKVW C TSLHPELVRA