Chains and heterogens:
PDB Chain Sequences:
>4erk_ (-) aagpemvrgqvfdvgprytnlsyigegaygmvcsaydnlnkvrvaikkispfehqtycqr tlreikillrfrheniigindiiraptieqmkdvyivqdlmetdlykllktqhlsndhic yflyqilrglkyihsanvlhrdlkpsnlllnttcdlkicdfglarvadpdhdhtgfltey vatrwyrapeimlnskgytksidiwsvgcilaemlsnrpifpgkhyldqlnhilgilgsp sqedlnciinlkarnyllslphknkvpwnrlfpnadskaldlldkmltfnphkrieveqa lahpyleqyydpsdepiaeapfkfdmelddlpkeklkelifeetarfqpg