Chains and heterogens:
PDB Chain Sequences:
>4i64A (A:) msldsrlpafrnlspaarldhigqllglshddvsllanagalpmdiangmienvigtfel pyavasnfqingrdvlvplvveepsivaaasymaklaranggfttsssaplmhaqvqivg iqdplnarlsllrrkdeiielanrkdqllnslgggcrdievhtfadtprgpmlvahlivd vrdamgantvntmaeavaplmeaitggqvrlrilsnladlrlaraqvritpqqletaefs geaviegildayafaavdpyraathnkgimngidplivatgndwraveagahayacrsgh ygslttwekdnnghlvgtlempmpvglvggatkthplaqlslrilgvktaqalaeiavav glaqnlgamralategiqrghmalharniavvagargdevdwvarqlveyhdvradrava llkqkrgq
>4i64A (A:) ldsrlpafrnlspaarldhigqllglshddvsllanagalpmdiangmienvigtfelpy avasnfqingrdvlvplvveepsivaaasymaklaranggfttsssaplmhaqvqivgiq dplnarlsllrrkdeiielanrkdqllnslgggcrdievhtfadtprgpmlvahlivdvr damgantvntmaeavaplmeaitggqvrlrilsnladlrlaraqvritpqqletaefsge aviegildayafaavdpyraathnkgimngidplivatgndwraveagahayacrsghyg slttwekdnnghlvgtlempmpvglvggatkthplaqlslrilgvktaqalaeiavavgl aqnlgamralate
>4i64B (B:) msldsrlpafrnlspaarldhigqllglshddvsllanagalpmdiangmienvigtfel pyavasnfqingrdvlvplvveepsivaaasymaklaranggfttsssaplmhaqvqivg iqdplnarlsllrrkdeiielanrkdqllnslgggcrdievhtfadtprgpmlvahlivd vrdamgantvntmaeavaplmeaitggqvrlrilsnladlrlaraqvritpqqletaefs geaviegildayafaavdpyraathnkgimngidplivatgndwraveagahayacrsgh ygslttwekdnnghlvgtlempmpvglvggatkthplaqlslrilgvktaqalaeiavav glaqnlgamralategiqrghmalharniavvagargdevdwvarqlveyhdvradrava llkqkrgq
>4i64B (B:) ldsrlpafrnlspaarldhigqllglshddvsllanagalpmdiangmienvigtfelpy avasnfqingrdvlvplvveepsivaaasymaklaranggfttsssaplmhaqvqivgiq dplnarlsllrrkdeiielanrkdqllnslgggcrdievhtfadtprgpmlvahlivdvr damgantvntmaeavaplmeaitggqvrlrilsnladlrlaraqvritpqqletaefsge aviegildayafaavdpyraathnkgimngidplivatgndwraveagahayacrsghyg slttwekdnnghlvgtlempmpvglvggatkthplaqlslrilgvktaqalaeiavavgl aqnlgamralategiq