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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 B

UniprotKB/SwissProt ID: PPIB_HUMAN (P23284)

Gene Name: PPIB

Synonyms: CYPB

Organism: Homo sapiens (Human).

Function: PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides.

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Endoplasmic reticulum lumen. Melanosome. Note=Identified by mass spectrometry in melanosome fractions from stage I to stage IV.

PDB :
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Graphical Visualization of S-nitrosylation Sites:
Overview of Protein S-nitrosylation Sites with Functional and Structural Information
InterPro ID Domain
IPR002130
IPR015891

3D Structure Databases:
3D structure databases
EntryMethodResolution (A)ChainPositionsView
1CYN X-ray 1.85 A A39-216Link
3ICH X-ray 1.20 A A34-216Link
3ICI X-ray 1.70 A A/B34-216Link

The S-nitrosylation sites of PPIB_HUMAN

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site Substrate Motifs PubMed ID Experiment
1202KPLKDVIIAD C GKIEVEKPFA EECCEEECCC C EEEECC 4.40%HC1122178444-
2202KPLKDVIIAD C GKIEVEKPFA EECCEEECCC C EEEECC 4.40%HC1116648260in vivo