ID:THOC2_HUMAN DESCRIPTION: RecName: Full=THO complex subunit 2; Short=Tho2; AltName: Full=hTREX120; FUNCTION: Component of the THO subcomplex of the TREX complex. The TREX complex specifically associates with spliced mRNA and not with unspliced pre-mRNA. It 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. The recruitment occurs via an interaction between ALYREF/THOC4 and the cap-binding protein NCBP1. DDX39B functions as a bridge between ALYREF/THOC4 and the THO complex.The TREX complex is essential for the export of Kaposi's sarcoma-associated herpesvirus (KSHV) intronless mRNAs and infectious virus production. The recruitment of the TREX complex to the intronless viral mRNA occurs via an interaction between KSHV ORF57 protein and ALYREF/THOC4. SUBUNIT: Component of the THO complex, which is composed of THOC1, THOC2, THOC5, THOC6 and THOC7. Together with THOC3, ALYREF/THOC4 and DDX39B, THO forms the transcription/export (TREX) complex. Interacts with THOC1. SUBCELLULAR LOCATION: Nucleus (Probable). SIMILARITY: Belongs to the THOC2 family. SEQUENCE CAUTION: Sequence=AAM28436.1; Type=Miscellaneous discrepancy; Note=Contaminating sequence. Sequence of unknown origin in the N-terminal part; Sequence=BAB14630.1; Type=Erroneous initiation; Note=Translation N-terminally extended;
The RNAfold program from the Vienna RNA Package is used to perform the secondary structure predictions and folding calculations. The estimated folding energy is in kcal/mol. The more negative the energy, the more secondary structure the RNA is likely to have.
ModBase Predicted Comparative 3D Structure on Q8NI27
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Orthologous Genes in Other Species
Orthologies between human, mouse, and rat are computed by taking the best BLASTP hit, and filtering out non-syntenic hits. For more distant species reciprocal-best BLASTP hits are used. Note that the absence of an ortholog in the table below may reflect incomplete annotations in the other species rather than a true absence of the orthologous gene.
Protein Q8NI27 (Reactome details) participates in the following event(s):
R-HSA-8849157 TREX complex binds spliced, capped mRNA:CBC:EJC cotranscriptionally R-HSA-75096 Docking of the TAP:EJC Complex with the NPC R-HSA-72185 mRNA polyadenylation R-HSA-72180 Cleavage of mRNA at the 3'-end R-HSA-159101 NXF1:NXT1 (TAP:p15) binds capped mRNA:CBC:EJC:TREX (minus DDX39B) R-HSA-72187 mRNA 3'-end processing R-HSA-159236 Transport of Mature mRNA derived from an Intron-Containing Transcript R-HSA-72203 Processing of Capped Intron-Containing Pre-mRNA R-HSA-72202 Transport of Mature Transcript to Cytoplasm R-HSA-109688 Cleavage of Growing Transcript in the Termination Region R-HSA-8953854 Metabolism of RNA R-HSA-73856 RNA Polymerase II Transcription Termination R-HSA-73857 RNA Polymerase II Transcription R-HSA-74160 Gene expression (Transcription)
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Sequence and Links to Tools and Databases 
Common Gene Haplotype Alleles 
