ACRV1 GI:9955937 acrosomal vesicle protein 1 isoform f precursor 1 mnrflllmsl yllgsargts sqpnelsgsi dhqtsvqqlp geqpsdeqps 50 51 gehgsgeqps geqasgeqps gehasgeqas gapisststg tilncytcay 100 101 mndqgkclrg egtcitqnsq qcmlkkifeg gklqfmvqgc enmcpsmnlf 150 151 shgtrmqiic crnqsfcnki