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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: ATP-dependent RNA helicase DDX50

UniprotKB/SwissProt ID: Q9BQ39 (Q9BQ39)

Gene Name: DDX50

Organism: Homo sapiens (Human)

Function: ATP-dependent RNA helicase that may play a role in various aspects of RNA metabolism including pre-mRNA splicing or ribosomal RNA production (PubMed:12027455). Also acts as a viral restriction factor and promotes the activation of the NF-kappa-B and IRF3 signaling pathways following its stimulation with viral RNA or infection with RNA and DNA viruses (PubMed:35215908). For instance, decreases vaccinia virus, herpes simplex virus, Zika virus or dengue virus replication during the early stage of infection (PubMed:28181036, PubMed:35215908). Mechanistically, acts via the adapter TICAM1 and independently of the DDX1-DDX21-DHX36 helicase complex to induce the production of interferon-beta (PubMed:35215908)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Nucleus, nucleolus. Cytoplasm

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR011545 DEAD/DEAH_box_helicase_dom
IPR050079 DEAD_box_RNA_helicase
IPR012562 GUCT
IPR014001 Helicase_ATP-bd
IPR001650 Helicase_C-like
IPR027417 P-loop_NTPase
IPR035979 RBD_domain_sf

The S-nitrosylation sites of Q9BQ39

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 329 NPQTLLFSAT C PQWVYKVAKK   
2 396 SGSEGRAIIF C ETKKNVTEMA