Chains and heterogens:
PDB Chain Sequences:
>1kapP (P:) grsdaytqvdnflhayarggdelvnghpsytvdqaaeqilreqaswqkapgdsvltlsys fltkpndffntpwkyvsdiyslgkfsafsaqqqaqaklslqswsdvtnihfvdagqgdqg dltfgnfsssvggaafaflpdvpdalkgqswylinssysanvnpangnygrqtltheigh tlglshpgdynagegdptyadatyaedtraysvmsyweeqntgqdfkgayssapllddia aiqklyganlttrtgdtvygfnsnterdfysatssssklvfsvwdaggndtldfsgfsqn qkinlnekalsdvgglkgnvsiaagvtvenaiggsgsdlligndvanvlkggagndilyg glgadqlwggagadtfvygdiaessaaapdtlrdfvsgqdkidlsgldafvngglvlqyv dafagkagqailsydaaskagslaidfsgdahadfainligqatqadivv