Chains and heterogens:
PDB Chain Sequences:
>1iuwA (A:) mktqvaiigagpsglllgqllhkagidnvilerqtpdyvlgriragvleqgmvdllreag vdrrmardglvhegveiafagqrrridlkrlsggktvtvygqtevtrdlmeareacgatt vyqaaevrlhdlqgerpyvtferdgerlrldcdyiagcdgfhgisrqsipaerlkvferv ypfgwlglladtppvsheliyanhprgfalcsqrsatrsryyvqvplsekvedwsderfw telkarlpsevaeklvtgpsleksiaplrsfvvepmqhgrlflagdaahivpptgakgln laasdvstlyrlllkayregrgellerysaiclrriwkaerfswwmtsvlhrfpdtdafs qriqqteleyylgseaglatiaenyvglpyeeie