>sp|P03395|ENV_MLVFR Envelope glycoprotein (Fragment) OS=Friend murine leukemia virus OX=11795 GN=env PE=1 SV=2
AAPGSSPHQVYNITWEVTNGDRETVWAISGNHPLWTWWPVLTPDLCMLALHGPPHWGLEY
QAPYSSPPGPPCCSGSGGSSPGCSRDCNEPLTSLTPRCNTAWNRLKLDQVTHKSSEGFYV
CPGSHRPREAKSCGGPDSFYCASWGCETTGRAYWKPSSSWDYITVDNNLTTNQAVQVCKD
NKWCNPLAIQFTNAGRQVTSWITGHYWGLRLYVSGQDPGLTFGIRLKYQNLGPRVPIGPN
PVLADQLSFPLPNPLPKPAKSPPVSNSTPTMISPSPTPTQPPPAGTGDRLLNLVQGAYQA
LNLTNPDKTQECWLCLVSGPPYYEGVAVLGTYSNHTSAPTNCSVASQHKLTLSEVTGRGL
CIGTVPKTHQALCNTTLKTNKGSYYLVAPAGTTWACNTGLTPCLSATVLNRTTDYCVLVE
LWPRVTYHPPSYVYSQFEKSYRHKR