>6W6S_1|Chains A, B|HTLV-1 Protease|Human T-cell leukemia virus type I (11908) PVIPLDPARRPVIKAQVDTQTSHPKTIEALLDTGADMTVIPIALFSSNTPLKNTSVLGAGGQTQDHFKLTSLPVLIRLPFRTTPIVLTSCLVDTKNNWAIIGRDALQQCQGVLYLP