Chains and heterogens:
PDB Chain Sequences:
>1rg9A (A:) akhlftsesvseghpdkiadqisdavldaileqdpkarvacetyvktgmvlvggeittsa wvdieeitrntvreigyvhsdmgfdanscavlsaigkqspdinqgvdradpleqgagdqg lmfgyatnetdvlmpapityahrlvqrqaevrkngtlpwlrpdaksqvtfqyddgkivgi davvlstqhseeidqkslqeavmeeiikpilpaewltsatkffinptgrfviggpmgdcg ltgrkiivdtyggmarhgggafsgkdpskvdrsaayaaryvaknivaagladrceiqvsy aigvaeptsimvetfgtekvpseqltllvreffdlrpygliqmldllhpiyketaayghf grehfpwektdkaqllrdaaglk
>1rg9B (B:) akhlftsesvseghpdkiadqisdavldaileqdpkarvacetyvktgmvlvggeittsa wvdieeitrntvreigyvhsdmgfdanscavlsaigkqspdinqgvdradpleqgagdqg lmfgyatnetdvlmpapityahrlvqrqaevrkngtlpwlrpdaksqvtfqyddgkivgi davvlstqhseeidqkslqeavmeeiikpilpaewltsatkffinptgrfviggpmgdcg ltgrkiivdtyggmarhgggafsgkdpskvdrsaayaaryvaknivaagladrceiqvsy aigvaeptsimvetfgtekvpseqltllvreffdlrpygliqmldllhpiyketaayghf grehfpwektdkaqllrdaaglk
>1rg9C (C:) akhlftsesvseghpdkiadqisdavldaileqdpkarvacetyvktgmvlvggeittsa wvdieeitrntvreigyvhsdmgfdanscavlsaigkqspdinqgvdradpleqgagdqg lmfgyatnetdvlmpapityahrlvqrqaevrkngtlpwlrpdaksqvtfqyddgkivgi davvlstqhseeidqkslqeavmeeiikpilpaewltsatkffinptgrfviggpmgdcg ltgrkiivdtyggmarhgggafsgkdpskvdrsaayaaryvaknivaagladrceiqvsy aigvaeptsimvetfgtekvpseqltllvreffdlrpygliqmldllhpiyketaayghf grehfpwektdkaqllrdaaglk
>1rg9D (D:) akhlftsesvseghpdkiadqisdavldaileqdpkarvacetyvktgmvlvggeittsa wvdieeitrntvreigyvhsdmgfdanscavlsaigkqspdinqgvdradpleqgagdqg lmfgyatnetdvlmpapityahrlvqrqaevrkngtlpwlrpdaksqvtfqyddgkivgi davvlstqhseeidqkslqeavmeeiikpilpaewltsatkffinptgrfviggpmgdcg ltgrkiivdtyggmarhgggafsgkdpskvdrsaayaaryvaknivaagladrceiqvsy aigvaeptsimvetfgtekvpseqltllvreffdlrpygliqmldllhpiyketaayghf grehfpwektdkaqllrdaaglk