>sp|P10270|VPRT_BLVJ Protease OS=Bovine leukemia virus (isolate Japanese BLV-1) OX=11907 PE=4 SV=1
RSFPLETRLSNPQIKKLIEGGLSAPQTVTPITDPLSEAELECLLSIPLARSRPSVAVYLS
GPWLQPSQNQALMLVDTGAENTVLPQNWLVRDYPRIPAAVLGAGGVSRNRYNWLQGPLTL
ALKPEGPFITIPKILVDTFDKWQILGRDVLSRLQASISIPEEVRPPMVGVLDAPPSHIGL
EHLPVPPEVPQFPLN