IFNA21 GI:169791013 interferon, alpha 21 1 malsfsllma vlvlsyksic slgcdlpqth slgnrralil laqmgrispf 50 51 sclkdrhdfg fpqeefdgnq fqkaqaisvl hemiqqtfnl fstkdssatw 100 101 eqsllekfst elnqqlndle acviqevgve etplmnvdsi lavkkyfqri 150 151 tlyltekkys pcawevvrae imrsfslski fqerlrrke