Chains and heterogens:
PDB Chain Sequences:
>1kscA (A:) maydykqvlrdsllfyeaqrsgrlpadqkvtwrkdsalndqgdqgqdltggyfdagdfvk fgfpmaytatvlawglidfeagyssagalddgrkavkwatdyfikahtsqnefygqvgqg dadhafwgrpedmtmarpaykidtsrpgsdlagetaaalaaasivfrnvdgtysnnllth arqlfdfannyrgkysdsitdarnfyasadyrdelvwaaawlyratndntylntaeslyd efglqnwggglnwdskvsgvqvllakltnkqaykdtvqsyvnylinnqqktpkgllyidm wgtlrhaanaafimleaaelglsassyrqfaqtqidyalgdggrsfvcgfgsnpptrphh rssscppapatcdwntfnspdpnyhvlsgalvggpdqndnyvddrsdyvhnevatdynag fqsalaalvalgy