>gi|4758506 basic helix-loop-helix transcription factor HAND1 [Homo sapiens] MNLVGSYAHHHHHHHPHPAHPMLHEPFLFGPASRCHQERPYFQSWLLSPA DAAPDFPAGGPPPAAAAAATAYGPDARPGQSPGRLEALGGRLGRRKGSGP KKERRRTESINSAFAELRECIPNVPADTKLSKIKTLRLATSYIAYLMDVL AKDAQSGDPEAFKAELKKADGGRESKRKRELQQHEGFPPALGPVEKRIKG RTGWPQQVWALELNQ