HAND1 GI:4758506 basic helix-loop-helix transcription factor HAND1 1 mnlvgsyahh hhhhhphpah pmlhepflfg pasrchqerp yfqswllspa 50 51 daapdfpagg pppaaaaaat aygpdarpgq spgrlealgg rlgrrkgsgp 100 101 kkerrrtesi nsafaelrec ipnvpadtkl skiktlrlat syiaylmdvl 150 151 akdaqsgdpe afkaelkkad ggreskrkre lqqhegfppa lgpvekrikg 200 201 rtgwpqqvwa lelnq