Protein Name:
THO complex subunit 3
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UniprotKB/SwissProt ID: Q96J01 (Q96J01)
Gene Name:
THOC3
Organism: Homo sapiens (Human)
Function: Component of the THO subcomplex of the TREX complex which is thought to couple mRNA transcription, processing and nuclear export, and which specifically associates with spliced mRNA and not with unspliced pre-mRNA (PubMed:15833825, PubMed:15998806, PubMed:17190602). Required for efficient export of polyadenylated RNA and spliced mRNA (PubMed:23222130). The THOC1-THOC2-THOC3 core complex alone is sufficient to bind export factor NXF1-NXT1 and promote ATPase activity of DDX39B (PubMed:33191911). TREX is recruited to spliced mRNAs by a transcription-independent mechanism, binds to mRNA upstream of the exon-junction complex (EJC) and is recruited in a splicing- and cap-dependent manner to a region near the 5' end of the mRNA where it functions in mRNA export to the cytoplasm via the TAP/NXF1 pathway (PubMed:15833825, PubMed:15998806, PubMed:17190602) (Microbial infection) The TREX complex is essential for the export of Kaposi's sarcoma-associated herpesvirus (KSHV) intronless mRNAs and infectious virus production
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Nucleus. Nucleus speckle
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Graphical Visualization of S-nitrosylation Sites:
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The S-nitrosylation sites of Q96J01
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| No. |
Position |
S-nitrosylated Peptide |
Secondary Structure of S-nitrosylated Peptide |
Solvent Accessibility of nitrosylated Site |
PubMed ID |
| 1 |
258 |
VSLWDVDELV C VRCFSRLDWP |
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| 2 |
306 |
ETGDKLWEVQ C ESPTFTVAWH |
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| 3 |
326 |
HPKRPLLAFA C DDKDGKYDSS |
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