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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: Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1

UniprotKB/SwissProt ID: Q9GZU7 (Q9GZU7)

Gene Name: CTDSP1

Organism: Homo sapiens (Human)

Function: Preferentially catalyzes the dephosphorylation of 'Ser-5' within the tandem 7 residue repeats in the C-terminal domain (CTD) of the largest RNA polymerase II subunit POLR2A. Negatively regulates RNA polymerase II transcription, possibly by controlling the transition from initiation/capping to processive transcript elongation. Recruited by REST to neuronal genes that contain RE-1 elements, leading to neuronal gene silencing in non-neuronal cells

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Nucleus

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR011948 Dullard_phosphatase
IPR004274 FCP1_dom
IPR036412 HAD-like_sf
IPR023214 HAD_sf
IPR040078 RNA_Pol_CTD_Phosphatase
IPR050365 TIM50