>3SQF_1|Chains A, B|Protease|Mason-Pfizer monkey virus (11855) WVQPITAQKPSLTLWLDDKMFTGLINTGADVTIIKLEDWPPNWPITDTLTNLRGIGQSNNPKQSSKYLTWRDKENNSGLIKPFVIPNLPVNLWGRDLLSQMKIMMASPNDIVTA