>sp|P08360|ENV_MLVCB Envelope glycoprotein OS=Cas-Br-E murine leukemia virus GN=env MEGPAFSKSPKDKTIERAFLGVLGILFVTGGLASRDNPHQVYNITWEVTNGEQDTVWAVT GNHPLWTWWPDLTPDLCMLALHGPTHWGLDNHPPYSSPPGPPCCSGDAGAVSGCARDCDE PLTSYSPRCNTAWNRLKLARVTHAPKEGFYICPGSHRPRWARSCGGLDAYYCASWGCETT GRAAWNPTSSWDYITVSNNLTSSQATKACKNNGWCNPLVIRFTGPGKRATSWTTGHFWGL RLYISGHDPGLTFGIRLKVTDLGPRVPIGPNPVLSDQRPPSRPVPARPPPPSASPSTPTI PPQQGTGDRLLNLVQGAYLTLNMTDPTRTQECWLCLVSEPPYYEGVAVLREYTSHETAPA NCSSGSQHKLTLSEVTGQGRCLGTVPKTHQALCNRTEPTVSGSNYLVAPEGTLWACSTGL TPCLSTTVLNLTTDYCVLVELWPKVTYHSPDYVYTQFEPGARFRREPVSLTLALLPEGLT MGGIAAGVGTGTTALVATQQFQQLQAAMHNDLKEVEKSITNLEKSLTSLSEVVLQNRRGL DLLFLKEGGLCAALKEECCFYADHTGLVRDSMAKLRERLNQRQKLFESGQGWFEGLFNRS PWFTTLISTIMGPLIVLLLILLFGPCILNRLVQFVKDRISVVQALVLTQQYHQLKPIEYE P