HOXA1 GI:84697022 homeobox A1 isoform b 1 mdnarmnsfl eypilssgds gtcsarayps dhrittfqsc avsanscggd 50 51 drflvgrgvq igsphhhhhh hhhhpqpaty qtsgnlgvsy shsscgpsyg 100 101 sqnfsapysp yalnqeadpp rslslprigd ifssadf