>sp|P25507|ENV_BLVB5 Envelope glycoprotein OS=Bovine leukemia virus GN=env
MPKERRSRRRPQPIIRWVSLTLTLLALCQPIQTWRCSLSLGNQQWMTTYNQEAKFFISID
QILEAHNQSPFCPRSPRYTLDFVNGYPKIYWPPPQGRRRFGARAMVTYDCEPRCPYVGAD
HFDCPHWDNASQADQGSFYVNHQTLFLHLKQCHGIFTLTWEIWGYDPLITFSLHKIPDPP
QPDFPQLNSDWVPSVRSWALLLNQTARAFPDCAICWEPSPPWAPEILVYNKTISSSGPGL
ALPDAQIFWVNTSLFNTTQGWHHPSQRLLFNVSQGNALLLPPISLVNLSTASSAPPTRVR
RSPVAALTLGLALSVGLTGINVAVSALSHQRLTSLIHVLEQDQQRLITAINQTHYNLLNV
ASVVAQNRRGLDWLYIRLGFQSLCPTINEPCCFLRIQNDSIIRLGDLQPLSQRVSTDWQW
PWNWDLGLTAWVRETIHSVLSLFLLALFLLFLAPCLIKCLTSRLLKLLRQAPHFPEISFP
PKPDSDYQALLPSAPEIYSHLSPTKPDYINLRPCP