Chains and heterogens:
PDB Chain Sequences:
>1t1sA (A:) gkqltilgstgsigcstldvvrhnpehfrvvalvagknvtrmveqclefspryavmddea sakllktmlqqqgsrtevlsgqqaacdmaaledvdqvmaaivgaagllptlaairagkti llankeslvtcgrlfmdavkqskaqllpvdsehnaifqslpqpiqhnlgyadleqngvvs illtgsggpfretplrdlatmtpdqacrhpnwsmgrkisvdsatmmnkgleyiearwlfn asasqmevlihpqsvihsmvryqdgsvlaqlgepdmrtpiahtmawpnrvnsgvkpldfc klsaltfaapdydrypclklameafeqgqaattalnaaneitvaaflaqqirftdiaaln lsvlekmdmrepqcvddvlsvdanarevarkevmrlas
>1t1sB (B:) gkqltilgstgsigcstldvvrhnpehfrvvalvagknvtrmveqclefspryavmddea sakllktmlqqqgsrtevlsgqqaacdmaaledvdqvmaaivgaagllptlaairagkti llankeslvtcgrlfmdavkqskaqllpvdsehnaifqslpqpiqhnlgyadleqngvvs illtgsggpfretplrdlatmtpdqacrhpnwsmgrkisvdsatmmnkgleyiearwlfn asasqmevlihpqsvihsmvryqdgsvlaqlgepdmrtpiahtmawpnrvnsgvkpldfc klsaltfaapdydrypclklameafeqgqaattalnaaneitvaaflaqqirftdiaaln lsvlekmdmrepqcvddvlsvdanarevarkevmrlas