>sp|P26804|ENV_MLVFF Envelope glycoprotein OS=Friend murine leukemia virus GN=env
MACSTLSKSPKDKIDPRDLLIPLILFLSLKGARSAAPGSSPHQVYNITWEVTNGDRETVW
AISGNHPLWTWWPVLTPDLCMLALSGPPHWGLEYQAPYSSPPGPPCCSGSSGNVAGCARD
CNEPLTSLTPRCNTAWNRLKLDQVTHKSSEGFYVCPGSHRPREAKSCGGPDSFYCASWGC
ETTGRVYWKPSSSWDYITVDNNLTSNQAVQVCKDNKWCNPLAIRFTNAGKQVTSWTTGHY
WGLRLYVSGQDPGLTFGIRLSYQNLGPRIPIGPNPVLADQLSFPLPNPLPKPAKSPPASS
STPTLISPSPTPTQPPPAGTGDRLLNLVQGAYQALNLTNPDKTQECWLCLVSGPPYYEGV
AVLGTYSNHTSAPANCSVASQHKLTLSEVTGRGLCIGTVPKTHQALCNTTLKAGKGSYYL
VAPTGTMWACNTGLTPCLSATVLNRTTDYCVLVELWPRVTYHPPSYVYSQFEKSHRHKRE
PVSLTLALLLGGLTMGGIAAGVGTGTTALVATQQFQQLHAAVQDDLKEVEKSITNLEKSL
TSLSEVVLQNRRGLDLLFLKEGGLCAALKEECCFYADHTGLVRDSMAKLRERLSQRQKLF
ESSQGWFEGWFNRSPWFTTLISTIMGPLIILLLILLFGPCILNRLVQFVKDRISVVQALV
LTQQYHQLKPLEYEPQ