PR:000001943	transcription factor E2-alpha	Alf2|BHLHB21|bHLHb21|class B basic helix-loop-helix protein 21|E2A|immunoglobulin enhancer-binding factor E12/E47|immunoglobulin transcription factor 1|ITF1|kappa-E2-binding factor|Me2|TCF-3|TCF3|Tcfe2a|transcription factor 3|transcription factor A1|transcription factor ITF-1		has_part	Pfam:PF00010	Helix-loop-helix DNA-binding domain								20090326	PRO:CNA