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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: Probable helicase senataxin

UniprotKB/SwissProt ID: Q7Z333 (Q7Z333)

Gene Name: SETX

Organism: Homo sapiens (Human)

Function: Probable RNA/DNA helicase involved in diverse aspects of RNA metabolism and genomic integrity. Plays a role in transcription regulation by its ability to modulate RNA Polymerase II (Pol II) binding to chromatin and through its interaction with proteins involved in transcription (PubMed:19515850, PubMed:21700224). Contributes to the mRNA splicing efficiency and splice site selection (PubMed:19515850). Required for the resolution of R-loop RNA-DNA hybrid formation at G-rich pause sites located downstream of the poly(A) site, allowing XRN2 recruitment and XRN2-mediated degradation of the downstream cleaved RNA and hence efficient RNA polymerase II (RNAp II) transcription termination (PubMed:19515850, PubMed:21700224, PubMed:26700805). Required for the 3' transcriptional termination of PER1 and CRY2, thus playing an important role in the circadian rhythm regulation (By similarity). Involved in DNA double-strand breaks damage response generated by oxidative stress (PubMed:17562789). In association with RRP45, targets the RNA exosome complex to sites of transcription-induced DNA damage (PubMed:24105744). Plays a role in the development and maturation of germ cells: essential for male meiosis, acting at the interface of transcription and meiotic recombination, and in the process of gene silencing during meiotic sex chromosome inactivation (MSCI) (By similarity). May be involved in telomeric stability through the regulation of telomere repeat-containing RNA (TERRA) transcription (PubMed:21112256). Plays a role in neurite outgrowth in hippocampal cells through FGF8-activated signaling pathways. Inhibits retinoic acid-induced apoptosis (PubMed:21576111)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Nucleus. Nucleus, nucleoplasm. Nucleus, nucleolus. Cytoplasm. Chromosome. Chromosome, telomere. Cell projection, axon. Cell projection, growth cone

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR045055 DNA2/NAM7-like
IPR041679 DNA2/NAM7-like_C
IPR041677 DNA2/NAM7_AAA_11
IPR027417 P-loop_NTPase
IPR047187 SF1_C_Upf1

The S-nitrosylation sites of Q7Z333

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 1262 GQNRSSNYLS C RTTPAIVPPK   
2 1398 VPESDRSDYN C TGGTEVLANS   
3 352 PESYLDDMVT C SQIVYNYNPE