Chains and heterogens:
PDB Chain Sequences:
>4pktA (A:) snalsryekwekikqhyqhwsdslseegrgllkklqipiepkkddiihslsqeekellkr iqidssdflsteekeflkklqidirdslseeekellnriqvdssnplsekekeflkklkl diqpydinqrlqdtgglidspsinldvrkqykrdiqnidallhqsigstlynkiylyenm ninnltatlgadlvdstdntkinrgifnefkknfkysissnymivdinerpaldnerlkw riqlspdtragylengklilqrnigleikdvqiikqsekeyiridakvvpkskidtkiqe aqlninqewnkalglpkytklitfnvhnryasnivesaylilnewknniqsdlikkvtny lvdgngrfvftditlpniaeqythqdeiyeqvhskglyvpesrsillhgpskgvelrnds egfihefghavddyagylldknqsdlvtnskkfidifkeegsnltsygrtneaeffaeaf rlmhstdhaerlkvqknapktfqfindqikfiinslvpr
>4pktA (A:) lsryekwekikqhyqhwsdslseegrgllkklqipiepkkddiihslsqeekellkriqi dssdflsteekeflkklqidirdsssnplsekekeflkklkldiqpydinqrlqdtggli dspsinldvrkqykrdiqnidallhqsigstlynkiylyenmninnltatlgadlvdstd ntkinrgifnefkknfkysissnymivdinerpaldnerlkwriqlspdtragylengkl ilqrnigleikdvqiikqsekeyiridakvvpkskidtkiqeaqlninqewnkalglpky tklitfnvhnryasnivesaylilnewknniqsdlikkvtnylvdgngrfvftditlpni aeqythqdeiyeqvhskglyvpesrsillhgpskgvelrndsegfihefghavddyagyl ldknqsdlvtnskkfidifkeegsnltsygrtneaeffaeafrlmhstdhaerlkvqkna pktfqfindqikfiinslv