transcription factor AP-4; activating enhancer-binding protein 4; class C basic helix-loop-helix protein 41; bHLHc41 (TFAP4, BHLHC41)
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Function
- transcription factor
- activates both viral & cellular genes by binding to the symmetrical DNA sequence 5'-CAGCTG-3'
- efficient DNA binding requires dimerization with another bHLH protein
Structure
- homodimer
- contains 1 basic helix-loop-helix (bHLH) domain