>d2f76x_ a.61.1.3 (X:) Mason-Pfizer monkey virus matrix protein {Simian Mason-Pfizer virus [TaxId: 11855]} mgqelsqheryveqlkqalktrgvkvkyadllkffdfvkdtcpwfpqegtidikrwrrvg dcfqdyyntfgpekvpvtafsywnlikelidkkevnpqvm