Chains and heterogens:
PDB Chain Sequences:
>2erk_ (-) aagpemvrgqvfdvgprytnlsyigegaygmvcsaydnlnkvrvaikkispfehqtycqr tlreikillrfrheniigindiiraptieqmkdvyivqdlmetdlykllktqhlsndhic yflyqilrglkyihsanvlhrdlkpsnlllnttcdlkicdfglarvadpdhdhtgfltey vatrwyrapeimlnskgytksidiwsvgcilaemlsnrpifpgkhyldqlnhilgilgsp sqedlnciinlkarnyllslphknkvpwnrlfpnadskaldlldkmltfnphkrieveqa lahpyleqyydpsdepiaeapfkfdmelddlpkeklkelifeetarfqpgyrs