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