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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: E3 ubiquitin-protein ligase TRIM33

UniprotKB/SwissProt ID: Q99PP7 (Q99PP7)

Gene Name: Trim33

Organism: Mus musculus (Mouse)

Function: Acts as an E3 ubiquitin-protein ligase. Promotes SMAD4 ubiquitination, nuclear exclusion and degradation via the ubiquitin proteasome pathway (By similarity). May act as a transcriptional repressor (By similarity). Inhibits the transcriptional response to TGF-beta/BMP signaling cascade (By similarity). Plays a role in the control of cell proliferation (By similarity). Its association with SMAD2 and SMAD3 stimulates erythroid differentiation of hematopoietic stem/progenitor. Monoubiquitinates SMAD4 and acts as an inhibitor of SMAD4-dependent TGF-beta/BMP signaling cascade (Monoubiquitination of SMAD4 hampers its ability to form a stable complex with activated SMAD2/3 resulting in inhibition of TGF-beta/BMP signaling cascade) (By similarity)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Nucleus

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR003649 Bbox_C
IPR001487 Bromodomain
IPR036427 Bromodomain-like_sf
IPR019786 Zinc_finger_PHD-type_CS
IPR000315 Znf_B-box
IPR011011 Znf_FYVE_PHD
IPR001965 Znf_PHD
IPR019787 Znf_PHD-finger
IPR001841 Znf_RING
IPR013083 Znf_RING/FYVE/PHD
IPR017907 Znf_RING_CS

The S-nitrosylation sites of Q99PP7

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 598 VQTMQRGNMN C GAFQAHQMRL