Chains and heterogens:
PDB Chain Sequences:
>4ptwA (A:) smakiifpedfiwgaatssyqiegafnedgkgesiwdrfshtpgkiengdtgdiacdhyh lyredielmkeigirsyrfstswprilpegkgrvnqkgldfykrlvdnllkanirpmitl yhwdlpqalqdkggwtnrdtakyfaeyarlmfeefnglvdlwvthnepwvvafeghafgn hapgtkdfktalqvahhlllshgmavdifreedlpgeigitlnltpaypagdsekdvkaa sllddyinawflspvfkgsypeelhhiyeqnlgafttqpgdmdiisrdidflginyysrm vvrhkpgdnlfnaevvkmedrpstemgweiypqglydilvrvnkeytdkplyitengaaf ddklteegkihdekrinylgdhfkqaykalkdgvplrgyyvwslmdnfewaygyskrfgl iyvdyengnrrflkdsalwyreviekgqvean
>4ptwA (A:) iifpedfiwgaatssyqiegafnedgkgesiwdrfshtpgkiengdtgdiacdhyhlyre dielmkeigirsyrfstswprilpegkgrvnqkgldfykrlvdnllkanirpmitlyhwd lpqalqdkggwtnrdtakyfaeyarlmfeefnglvdlwvthnepwvvafeghafgnhapg tkdfktalqvahhlllshgmavdifreedlpgeigitlnltpaypagdsekdvkaaslld dyinawflspvfkgsypeelhhiyeqnlgafttqpgdmdiisrdidflginyysrmvvrh kpgdnlfnaevvkmedrpstemgweiypqglydilvrvnkeytdkplyitengaafddkl teegkihdekrinylgdhfkqaykalkdgvplrgyyvwslmdnfewaygyskrfgliyvd yengnrrflkdsalwyreviekgqv
>4ptwB (B:) smakiifpedfiwgaatssyqiegafnedgkgesiwdrfshtpgkiengdtgdiacdhyh lyredielmkeigirsyrfstswprilpegkgrvnqkgldfykrlvdnllkanirpmitl yhwdlpqalqdkggwtnrdtakyfaeyarlmfeefnglvdlwvthnepwvvafeghafgn hapgtkdfktalqvahhlllshgmavdifreedlpgeigitlnltpaypagdsekdvkaa sllddyinawflspvfkgsypeelhhiyeqnlgafttqpgdmdiisrdidflginyysrm vvrhkpgdnlfnaevvkmedrpstemgweiypqglydilvrvnkeytdkplyitengaaf ddklteegkihdekrinylgdhfkqaykalkdgvplrgyyvwslmdnfewaygyskrfgl iyvdyengnrrflkdsalwyreviekgqvean
>4ptwB (B:) iifpedfiwgaatssyqiegafnedgkgesiwdrfshtpgkiengdtgdiacdhyhlyre dielmkeigirsyrfstswprilpegkgrvnqkgldfykrlvdnllkanirpmitlyhwd lpqalqdkggwtnrdtakyfaeyarlmfeefnglvdlwvthnepwvvafeghafgnhapg tkdfktalqvahhlllshgmavdifreedlpgeigitlnltpaypagdsekdvkaaslld dyinawflspvfkgsypeelhhiyeqnlgafttqpgdmdiisrdidflginyysrmvvrh kpgdnlfnaevvkmedrpstemgweiypqglydilvrvnkeytdkplyitengaafddkl teegkihdekrinylgdhfkqaykalkdgvplrgyyvwslmdnfewaygyskrfgliyvd yengnrrflkdsalwyreviekgqv