Protein CBFA2T1 - Q06455 (MTG8_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for Q06455: 9
 
Function
Transcriptional corepressor which facilitates transcriptional repression via its association with DNA-binding transcription factors and recruitment of other corepressors and histone-modifying enzymes (PubMed:12559562, PubMed:15203199). Can repress the expression of MMP7 in a ZBTB33-dependent manner (PubMed:23251453). Can repress transactivation mediated by TCF12 (PubMed:16803958). Acts as a negative regulator of adipogenesis (By similarity). The AML1-MTG8/ETO fusion protein frequently found in leukemic cells is involved in leukemogenesis and contributes to hematopoietic stem/progenitor cell self-renewal (PubMed:23812588). UniProt
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Subunit Structure
Homooligomer. Homotetramerization is mediated by nervy homology region 2 (NRH2). Can interact with CBFA2T2 and CBFA2T3; heterotetramerization between members of the CBFA2T family is proposed. Interacts with TCF12, SIN3A, HDAC1, HDAC2, HDAC3, NCOR1, NCOR2. Interacts with ATN1 (via its N-terminus); the interaction enhances the transcriptional repression. AML1-MTG8/ETO fusion protein interacts with CBFB. AML1-MTG8/ETO is part of a stable transcription factor complex AETFC in leukemic cells; AETFC formation seems to be involved in recruitment of EP300. AML1-MTG8/ETO nervy homology region 2-mediated oligomerization is proposed to be homotypic, required for AML1-MTG8/ETO-mediated transformation of primary hematopoietic cells and is required for AML1-MTG8/ETO interaction with TCF12. UniProt
Domain
Nervy homology region 2 (NHR2) mediates homo- and possibly heterotypic oligomerization by forming a four-helix bundle tetrameric structure. UniProt
  • Isoforms: 6 , currently showing only the 'canonical' sequence.
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Data in green originates from UniProtKB  
Variation data (sourced from UniProt) shows non-genetic variation from the ExPASy   and dbSNP   websites.
Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
Data in purple originates from Phosphosite  .
Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
Data in grey has been calculated using BioJava  . Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
  • Red: potentially disorderd region
  • Blue: probably ordered region.
Hydropathy has been calculated using a sliding window of 15 residues and summing up scores from standard hydrophobicity tables.
  • Red: hydrophobic
  • Blue: hydrophilic.
Data in lilac represent the genomic exon structure projected onto the UniProt sequence.
Data in blue originates from PDB
  • Secstruc: Secondary structure projected from representative PDB entries onto the UniProt sequence.
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Validation Track

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Data in red indicates combined ranges of Homology Models from the SWISS-MODEL Repository  
The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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