Chains and heterogens:
PDB Chain Sequences:
>1pkmA (A:) skphsdvgtafiqtqqlhaamadtflehmcrldidsppitarntgiictigpasrsveil kemiksgmnvarlnfshgtheyhaetiknvraatesfasdpiryrpvavaldtkgpeirt glikgsgtaevelkkgatlkitldnaymekcdenvlwldyknickvvevgskvyvddgli sllvkekgadflvtevenggslgskkgvnlpgaavdlpavsekdiqdlkfgveqdvdmvf asfirkasdvhevrkvlgekgknikiiskienhegvrrfdeileasdgimvargdlgiei paekvflaqkmmigrcnragkpvicatqmlesmikkprptraegsdvanavldgadciml sgetakgdypleavrmqhliareaeaamfhrklfeelvrgsshstdlmeamamgsveasy kclaaalivltesgrsahqvaryrprapiiavtrnhqtarqahlyrgifpvvckdpvqea waedvdlrvnlamnvgkargffkhgdvvivltgwrpgsgftntmrvvpvp
>1pkmA (A:) iqtqqlhaamadtflehmcrldidsppitarntgiictigpasrsveilkemiksgmnva rlnfshgtheyhaetiknvraatesfasdpiryrpvavaldtkgpeirtglikgsgtaev elkkgatlkitldnaymekcdenvlwldyknickvvevgskvyvddglisllvkekgadf lvtevenggslgskkgvnlpgaavdlpavsekdiqdlkfgveqdvdmvfasfirkasdvh evrkvlgekgknikiiskienhegvrrfdeileasdgimvargdlgieipaekvflaqkm migrcnragkpvicatqmlesmikkprptraegsdvanavldgadcimlsgetakgdypl eavrmqhliareaeaamfhrklfeelvrgsshstdlmeamamgsveasykclaaalivlt esgrsahqvaryrprapiiavtrnhqtarqahlyrgifpvvckdpvqeawaedvdlrvnl amnvgkargffkhgdvvivltgwrpgsgftntmrvvpvp