>gi|75709200 glutathione peroxidase 4 isoform A precursor [Homo sapiens] MSLGRLCRLLKPALLCGALAAPGLAGTMCASRDDWRCARSMHEFSAKDID GHMVNLDKYRGFVCIVTNVASQUGKTEVNYTQLVDLHARYAECGLRILAF PCNQFGKQEPGSNEEIKEFAAGYNVKFDMFSKICVNGDDAHPLWKWMKIQ PKGKGILGNAIKWNFTKFLIDKNGCVVKRYGPMEEPLVIEKDLPHYF