HAND2 GI:12545384 basic helix-loop-helix transcription factor HAND2 1 mslvggfphh pvvhhegypf aaaaaaaaaa aasrcsheen pyfhgwligh 50 51 pemsppdysm alsyspeyas gaagldhshy ggvppgagpp glggprpvkr 100 101 rgtanrkerr rtqsinsafa elrecipnvp adtklskikt lrlatsyiay 150 151 lmdllakddq ngeaeafkae ikktdvkeek rkkelneilk stvssndkkt 200 201 kgrtgwpqhv walelkq