Transcription factor E2-alpha - P15923 (TFE2_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for P15923: 4
 
Function
Transcriptional regulator. Involved in the initiation of neuronal differentiation. Heterodimers between TCF3 and tissue-specific basic helix-loop-helix (bHLH) proteins play major roles in determining tissue-specific cell fate during embryogenesis, like muscle or early B-cell differentiation. Dimers bind DNA on E-box motifs: 5'-CANNTG-3'. Binds to the kappa-E2 site in the kappa immunoglobulin gene enhancer. Binds to IEB1 and IEB2, which are short DNA sequences in the insulin gene transcription control region. UniProt
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Subunit Structure
Forms a heterodimer with ASH1 and TWIST2. Isoform E12 interacts with RALGAPA1 and FIGLA. Efficient DNA binding requires dimerization with another bHLH protein. Component of a nuclear TAL-1 complex composed at least of CBFA2T3, LDB1, TAL1 and TCF3. Interacts with NEUROD2, PTF1A and TGFB1I1. Forms a heterodimer with MYOG; heterodimerization enhances MYOG DNA-binding and transcriptional activities (By similarity). Homodimer. Heterodimer. Forms a heterodimer with NEUROD1; the heterodimer is inhibited in presence of ID2, but not NR0B2, to E-box element. Interacts with EP300 and UBE2I. Interacts with BHLHA9 (PubMed:25466284). Forms a heterodimer with ATOH8; repress transcription of TCF3 and TCF3/NEUROG3 dimer-induced transactivation of E box-dependent promoters. UniProt
Domain
the 9aaTAD motif is a transactivation domain present in a large number of yeast and animal transcription factors. UniProt
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Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
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Data in blue originates from PDB
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Validation Track

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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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