Chains and heterogens:
PDB Chain Sequences:
>1onpA (A:) mkqltilgstgsigcstldvvrhnpehfrvvalvagknvtrmveqclefspryavmddea sakllktmlqqqgsrtevlsgqqaacdmaaledvdqvmaaivgaagllptlaairagkti llankeslvtcgrlfmdavkqskaqllpvdsehnaifqslpqpiqhnlgyadleqngvvs illtgsggpfretplrdlatmtpdqacrhpnwsmgrkisvdsatmmnkgleyiearwlfn asasqmevlihpqsvihsmvryqdgsvlaqlgepdmrtpiahtmawpnrvnsgvkpldfc klsaltfaapdydrypclklameafeqgqaattalnaaneitvaaflaqqirftdiaaln lsvlekmdmrepqcvddvlsvdanarevarkevmrlas
>1onpA (A:) mkqltilgstgsigcstldvvrhnpehfrvvalvagknvtrmveqclefspryavmddea sakllktmlqqqgsrtevlsgqqaacdmaaledvdqvmaaivgaagllptlaairagkti llankeslvtcgrlfmdavkqskaqllpvdsehnaifqslpqpiqhnlgyadleqngvvs illtgsggpfretplrdlatmtpdqacrhpnwsmgrkisvdsatmmnkgleyiearwlfn asasqmevlihpqsvihsmvryqdgsvlaqlgepdmrtpiahtmawpnrvnsgvkpldfc klsaltfaapdydrypclklameafeqgqaattalnaaneitvaaflaqqirftdiaaln lsvlekmdmrepqcvddvlsvdanarevarkevmrla
>1onpB (B:) mkqltilgstgsigcstldvvrhnpehfrvvalvagknvtrmveqclefspryavmddea sakllktmlqqqgsrtevlsgqqaacdmaaledvdqvmaaivgaagllptlaairagkti llankeslvtcgrlfmdavkqskaqllpvdsehnaifqslpqpiqhnlgyadleqngvvs illtgsggpfretplrdlatmtpdqacrhpnwsmgrkisvdsatmmnkgleyiearwlfn asasqmevlihpqsvihsmvryqdgsvlaqlgepdmrtpiahtmawpnrvnsgvkpldfc klsaltfaapdydrypclklameafeqgqaattalnaaneitvaaflaqqirftdiaaln lsvlekmdmrepqcvddvlsvdanarevarkevmrlas
>1onpB (B:) mkqltilgstgsigcstldvvrhnpehfrvvalvagknvtrmveqclefspryavmddea sakllktmlqqqgsrtevlsgqqaacdmaaledvdqvmaaivgaagllptlaairagkti llankeslvtcgrlfmdavkqskaqllpvdsehnaifqslpqpiqhnlgyadleqngvvs illtgsggpfretplrdlatmtpdqacrhpnwsmgrkisvdsatmmnkgleyiearwlfn asasqmevlihpqsvihsmvryqdgsvlaqlgepdmrtpiahtmawpnrvnsgvkpldfc klsaltfaapdydrypclklameafeqgqaattalnaaneitvaaflaqqirftdiaaln lsvlekmdmrepqcvddvlsvdanarevarkevmrla