Chains and heterogens:
PDB Chain Sequences:
>1pbf_ (-) mktqvaiigagpsglllgqllhkagidnvilerqtpdyvlgriragvleqgmvdllreag vdrrmardglvhegveiafagqrrridlkrlsggktvtvygqtevtrdlmeareasgatt vyqaaevrlhdlqgerpyvtferdgerlrldcdyiagcdgfhgisrqsipaerlkvferv ypfgwlglladtppvsheliyanhprgfalcsqrsatrsryavqvpltekvedwsderfw telkarlpaevaeklvtgpsleksiaplrsfvvepmqhgrlflagdaahivpptgakgln laasdvstlyrlllkayregrgellerysaiclrriwkaerfswwmtsvlhrfpdtdafs qriqqteleyylgseaglatiaenyvglpye