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