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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: Peptidyl-prolyl cis-trans isomerase E

UniprotKB/SwissProt ID: Q9UNP9 (Q9UNP9)

Gene Name: PPIE

Organism: Homo sapiens (Human)

Function: Involved in pre-mRNA splicing as component of the spliceosome (PubMed:11991638, PubMed:28076346). Combines RNA-binding and PPIase activities (PubMed:18258190, PubMed:20460131, PubMed:20677832, PubMed:8977107). Binds mRNA and has a preference for single-stranded RNA molecules with poly-A and poly-U stretches, suggesting it binds to the poly(A)-region in the 3'-UTR of mRNA molecules (PubMed:18258190, PubMed:20460131, PubMed:8977107). Catalyzes the cis-trans isomerization of proline imidic peptide bonds in proteins (PubMed:18258190, PubMed:20541251, PubMed:20677832, PubMed:8977107). Inhibits KMT2A activity; this requires proline isomerase activity (PubMed:20460131, PubMed:20541251, PubMed:20677832)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Nucleus

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR029000 Cyclophilin-like_dom_sf
IPR020892 Cyclophilin-type_PPIase_CS
IPR002130 Cyclophilin-type_PPIase_dom
IPR012677 Nucleotide-bd_a/b_plait_sf
IPR016304 PPIE
IPR034168 PPIE_RRM
IPR035979 RBD_domain_sf
IPR000504 RRM_dom

The S-nitrosylation sites of Q9UNP9

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 252 NTNGSQFFLT C DKTDWLDGKH   
2 297 KPKQKVIIAD C GEYV------