Chains and heterogens:
PDB Chain Sequences:
>1mxaA (A:) akhlftsesvseghpdkiadqisdavldaileqdpkarvacetyvktgmvlvggeittsa wvdieeitrntvreigyvhsdmgfdanscavlsaigkqspdinqgvdradpleqgagdqg lmfgyatnetdvlmpapityahrlvqrqaevrkngtlpwlrpdaksqvtfqyddgkivgi davvlstqhseeidqkslqeavmeeiikpilpaewltsatkffinptgrfviggpmgdcg ltgrkiivdtyggmarhgggafsgkdpskvdrsaayaaryvaknivaagladrceiqvsy aigvaeptsimvetfgtekvpseqltllvreffdlrpygliqmldllhpiyketaayghf grehfpwektdkaqllrdaaglk
>1mxaA (A:) akhlftsesvseghpdkiadqisdavldaileqdpkarvacetyvktgmvlvggeittsa wvdieeitrntvreigyvhsdmgfdanscavlsaigkqspdiradpleqgagdqglmfgy atnetdvlmpapityahrlvqrqaevrkngtlpwlrpdaksqvtfqyddgkivgidavvl stqhseeidqkslqeavmeeiikpilpaewltsatkffinptgrfviggpmgdcgltgrk iivdtyggmarhgggafsgkdpskvdrsaayaaryvaknivaagladrceiqvsyaigva eptsimvetfgtekvpseqltllvreffdlrpygliqmldllhpiyketaayghfgrehf pwektdkaqllrdaaglk