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