Protein Name:
U4/U6 small nuclear ribonucleoprotein Prp31 homolog
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UniprotKB/SwissProt ID: Q8RXN6 (Q8RXN6)
Gene Name:
PRP31
Organism: Arabidopsis thaliana (Mouse-ear cress)
Function: Involved in pre-mRNA splicing. Required for the assembly of the U4/U5/U6 tri-snRNP complex, one of the building blocks of the spliceosome (By similarity). Functions in association with STA1 and ZOP1 in spliceosome dynamics and pre-mRNA splicing. Required for transcriptional regulation and pre-mRNA splicing of cold-responsive genes, such as LTI78/RD29A, KIN2/COR6.6 or COR15A, especially under cold stress. May play a role in stress response. Involved in transcriptional gene silencing of endogenous transposable elements, independently of the RNA-directed DNA methylation (RdDM) pathway. Seems not to participate in the small RNA biogenesis of the RdDM pathway (PubMed:25684655)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Nucleus. Nucleus, Cajal body
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Graphical Visualization of S-nitrosylation Sites:
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The S-nitrosylation sites of Q8RXN6
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| No. |
Position |
S-nitrosylated Peptide |
Secondary Structure of S-nitrosylated Peptide |
Solvent Accessibility of nitrosylated Site |
PubMed ID |
| 1 |
140 |
SLVHHPIDYA C VVKKIGNETD |
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