Chains and heterogens:
PDB Chain Sequences:
>4x8cA (A:) gplgspefmaqgtlirvtpeqpthavcvlgtltqldicssapedctsfsinaspgvvvdi ahgppakkkstgsstwpldpgvevtltmkvasgstgdqkvqisyygpktppvkallyltg veislcaditrtgkvkptravkdqrtwtwgpcgqgaillvncdrdnlessamdceddevl dsedlqdmslmtlstktpkdfftnhtlvlhvarsemdkvrvfqatrgklsskcsvvlgpk wpshylmvpggkhnmdfyvealafpdtdfpglitltislldtsnlelpeavvfqdsvvfr vapwimtpntqppqevyacsifenedflksvttlamkakcklticpeeenmddqwmqdem eigyiqaphktlpvvfdsprnrglkefpikrvmgpdfgyvtrgpqtggisgldsfgnlev sppvtvrgkeyplgrilfgdscypsndsrqmhqalqdflsaqqvqapvklysdwlsvghv deflsfvpapdrkgfrlllasprscyklfqeqqneghgeallfegikkkkqqkiknilsn ktlrehnsfvercidwnrellkrelglaesdiidipqlfklkefskaeaffpnmvnmlvl gkhlgipkpfgpvingrccleekvcslleplglqctfindfftyhirhgevhagtnvrrk pfsfkwwnmvp
>4x8cA (A:) qgtlirvtpeqpthavcvlgtltqldicssactsfsinaspgvvvdiwplevtltmkvas gstgdqkvqisyypvkallyltgveislcaditrtgkvkpkdqrtwtwgpcgqgaillvn cdsedlqdmslmtlstktpkdfftnhtlvlhvarsemdkvrvfqatrgklsskcsvvlgp kwpshylmvpggkhnmdfyvealafpdtdfpglitltislldtsnlelpeavvfqdsvvf rvapwimtpntqppqevyacnedflksvttlamkakcklticdemeigyiqaphktlpvv fdsfgysgldsfgnlevsppvtvrgkeyplgrilfgdscypsndsrqmhqalqdflsaqq vqapvklysdwlsvghvdeflsfvpapdrkgfrlllasprscyklfqeqqneghgeallf ekqqkiknilsnktlrehnsfvercidwnrellkrelglaesdiidipqlfklkefskae affpnmvnmlvlgkhlgipkpfccleekvcslleplglqctfindfftyhigevhagtnv rrkpfsfkwwnmvp