Chains and heterogens:
PDB Chain Sequences:
>1powA (A:) tnilagaavikvleawgvdhlygipggsinsimdalsaerdrihyiqvrheevgamaaaa dakltgkigvcfgsagpggthlmnglydaredhvpvlaligqfgttgmnmdtfqemnenp iyadvadynvtavnaatlphvideairrayahqgvavvqipvdlpwqqipaedwyasans yqtpllpepdvqavtrltqtllaaerpliyygigarkagkeleqlsktlkiplmstypak givadrypaylgsanrvaqkpanealaqadvvlfvgnnypfaevskafkntryflqidid paklgkrhktdiavladaqktlaailaqvserestpwwqanlanvknwraylasledkqe gplqayqvlravnkiaepdaiysidvgdinlnanrhlkltpsnrhitsnlfatmgvgipg aiaaklnyperqvfnlagdggasmtmqdlatqvqyhlpvinvvftncqygfikdeqedtn qndfigvefndidfskiadgvhmqafrvnkieqlpdvfeqakaiaqhepvlidavitgdr plpaeklrldsamssaadieafkqryeaqdlqplstylkqfgldd
>1powB (B:) tnilagaavikvleawgvdhlygipggsinsimdalsaerdrihyiqvrheevgamaaaa dakltgkigvcfgsagpggthlmnglydaredhvpvlaligqfgttgmnmdtfqemnenp iyadvadynvtavnaatlphvideairrayahqgvavvqipvdlpwqqipaedwyasans yqtpllpepdvqavtrltqtllaaerpliyygigarkagkeleqlsktlkiplmstypak givadrypaylgsanrvaqkpanealaqadvvlfvgnnypfaevskafkntryflqidid paklgkrhktdiavladaqktlaailaqvserestpwwqanlanvknwraylasledkqe gplqayqvlravnkiaepdaiysidvgdinlnanrhlkltpsnrhitsnlfatmgvgipg aiaaklnyperqvfnlagdggasmtmqdlatqvqyhlpvinvvftncqygfikdeqedtn qndfigvefndidfskiadgvhmqafrvnkieqlpdvfeqakaiaqhepvlidavitgdr plpaeklrldsamssaadieafkqryeaqdlqplstylkqfgldd