Chains and heterogens:
PDB Chain Sequences:
>1pgnA (A:) aqadialiglavmgqnlilnmndhgfvvcafnrtvskvddflaneakgtkvlgahsleem vsklkkprriillvkagqavdnfieklvplldigdiiidggnseyrdtmrrcrdlkdkgi lfvgsgvsggedgarygpslmpggnkeawphikaifqgiaakvgtgepccdwvgddgagh fvkmvhngieygdmqliceayhlmkdvlglghkemakafeewnkteldsflieitasilk fqdadgkhllpkirdsagqkgtgkwtaisaleygvpvtligeavfarclsslkderiqas kklkgpqnipfegdkksfledirkalyaskiisyaqgfmllrqaatefgwtlnyggialm wrggciirsvflgkikdafdrnpglqnlllddffksavencqdswrraistgvqagipmp cfttalsfydgyrhamlpanliqaqrdyfgahtyellakpgqfihtnwtghggsvssssy na
>1pgnA (A:) aqadialiglavmgqnlilnmndhgfvvcafnrtvskvddflaneakgtkvlgahsleem vsklkkprriillvkagqavdnfieklvplldigdiiidggnseyrdtmrrcrdlkdkgi lfvgsgvsggedgarygpslmpggnkeawphikaifqgiaakvgtgepccdwvgddgagh fvkmvhngieygdmqliceayhlmkdvlglghkemakafeewnkteldsflieitasilk fqdadgkhllpkirdsagqkgtgkwtaisaleygvpvtligeavfarclsslkderiqas kklkgpqnipfegdkksfledirkalyaskiisyaqgfmllrqaatefgwtlnyggialm wrggciirsvflgkikdafdrnpglqnlllddffksavencqdswrraistgvqagipmp cfttalsfydgyrhamlpanliqaqrdyfgahtyellakpgqfihtnwtghgg