>3csy_O mol:protein length:334 Envelope glycoprotein GP1 YPYDVPDYAIEGRGARSIPLGVIHNSVLQVSDVDKLVCRDKLSSTNQLRSVGLNLEGNG VATDVPSATKRWGFRSGVPPKVVNYEAGEWAENCYNLEIKKPDGSECLPAAPDGIRGFP RCRYVHKVSGTGPCAGDFAFHKEGAFFLYDRLASTVIYRGTTFAEGVVAFLILPQAKKD FFSSHPLREPVNATEDPSSGYYSTTIRYQATGFGTNEVEYLFEVDNLTYVQLESRFTPQ FLLQLNETIYTSGKRSNTTGKLIWKVNPEIDTTIGEWAFWETKKNLTRKIRSEELSFTV VTHHQDTGEESASSGKLGLITNTIAGVAGLITGGRRTRR