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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: U5 small nuclear ribonucleoprotein 200 kDa helicase

UniprotKB/SwissProt ID: O75643 (O75643)

Gene Name: SNRNP200

Organism: Homo sapiens (Human)

Function: Catalyzes the ATP-dependent unwinding of U4/U6 RNA duplices, an essential step in the assembly of a catalytically active spliceosome (PubMed:35241646). Plays a role in pre-mRNA splicing as a core component of precatalytic, catalytic and postcatalytic spliceosomal complexes (PubMed:28502770, PubMed:28781166, PubMed:29301961, PubMed:29360106, PubMed:29361316, PubMed:30315277, PubMed:30705154, PubMed:30728453). As a component of the minor spliceosome, involved in the splicing of U12-type introns in pre-mRNAs (Probable). Involved in spliceosome assembly, activation and disassembly. Mediates changes in the dynamic network of RNA-RNA interactions in the spliceosome

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Nucleus

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR041094 Brr2_helicase_PWI
IPR048863 BRR2_plug
IPR035892 C2_domain_sf
IPR011545 DEAD/DEAH_box_helicase_dom
IPR050474 Hel308_SKI2-like
IPR014001 Helicase_ATP-bd
IPR001650 Helicase_C-like
IPR014756 Ig_E-set
IPR027417 P-loop_NTPase
IPR004179 Sec63-dom
IPR036388 WH-like_DNA-bd_sf
IPR036390 WH_DNA-bd_sf

The S-nitrosylation sites of O75643

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 1127 MIDKRMWQSM C PLRQFRKLPE   
2 1278 IRVVSDRWLS C ETQLPVSFRH   
3 133 ALGDQPRDIL C GAADEVLAVL   
4 1359 GAPTGSGKTI C AEFAILRMLL   
5 1580 RLTAIDILTT C AADIQRQRFL   
6 1702 NRPLQDDEGR C VIMCQGSKKD   
7 1731 PLPVESHLDH C MHDHFNAEIV   
8 238 DMEGDEAVVR C TLSANLVASG   
9 302 ILKTASDDRE C ENQLVLLLGF   
10 428 QGSHFMANKR C QLPDGSFRRQ    37478858
11 502 ALETDENLLL C APTGAGKTNV   
12 516 GAGKTNVALM C MLREIGKHIN   
13 576 VAELTGDHQL C KEEISATQII   
14 588 EEISATQIIV C TPEKWDIITR   
15 769 TEVLRTEAEQ C KNLELKDLLP