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