FunctionComponent 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. 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 beteen KSHV ORF57 protein and ALYREF/THOC4. DDX39B functions as a bridge between ALYREF/THOC4 and the THO complex. THOC5 in conjunction with ALYREF/THOC4 functions in NXF1-NXT1 mediated nuclear export of HSP70 mRNA. Regulates the expression of myeloid transcription factors CEBPA, CEBPB and GAB2 by enhancing the levels of phosphatidylinositol 3,4,5-trisphosphate. May be involved in the differentiation of granulocytes and adipocytes. Essential for hematopoietic primitive cell survival and plays an integral role in monocytic development.
Tissue specificityUbiquitously expressed.
Sequence similaritiesBelongs to the THOC5 family.
Post-translational modificationsPhosphorylated on tyrosine upon binding to activated CSF1R; which causes a dissociation of the two proteins. Phosphorylation on Ser-5 and/or Ser-6 is required for nuclear export. Phosphorylated on Thr-328 in insulin-stimulated adipocytes (By similarity). Phosphorylated upon DNA damage, probably by ATM or ATR.
Cellular localizationNucleus. Cytoplasm. Shuttles between nucleus and cytoplasm.
Functional spliceosome-associated protein 79 antibody
NF2/meningioma region protein pK1.3 antibody
Placental protein 39.2 antibody
THO complex 5 antibody
THO complex subunit 5 antibody
THO complex subunit 5 homolog antibody
Anti-THOC5 antibody images
Western blot - THOC5 antibody (ab86070)
All lanes : Anti-THOC5 antibody (ab86070) at 0.04 µg/ml
Lane 1 : Hela whole cell lysate at 50 µg Lane 2 : Hela whole cell lysate at 15 µg Lane 3 : Hela whole cell lysate at 5 µg Lane 4 : 293T whole cell lysate at 50 µg Lane 5 : NIH3T3 whole cell lysate at 50 µg
Developed using the ECL technique
Predicted band size : 79 kDa
Exposure time : 90 seconds
Immunoprecipitation - THOC5 antibody (ab86070)
Detection of THOC5 by Western blot of Immunprecipitate.
ab86070, at 0.4 µg/ml, staining THOC5 in HeLa whole cell lysate immunoprecipitated using ab86070 at 3 µg/mg lysate (1 mg/IP; 20% of IP loaded/lane). Detection: Chemiluminescence with an exposure time of 30 seconds.
References for Anti-THOC5 antibody (ab86070)
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