Chains and heterogens:
PDB Chain Sequences:
>4i4bA (A:) msldsrlpafrnlspaarldhigqllglshddvsllanagalpmdiangmienvigtfel pyavasnfqingrdvlvplvveepsivaaasymaklaranggfttsssaplmhaqvqivg iqdplnarlsllrrkdeiielanrkdqllnslgggcrdievhtfadtprgpmlvahlivd vrdamgantvntmaeavaplmeaitggqvrlrilsnladlrlaraqvritpqqletaefs geaviegildayafaavdpyraathnkgimngidplivatgndwraveagahayacrsgh ygslttwekdnnghlvgtlempmpvglvggatkthplaqlslrilgvktaqalaeiavav glaqnlgamralategiqrghmalharniavvagargdevdwvarqlveyhdvradrava llkqkrgq
>4i4bA (A:) ldsrlpafrnlspaarldhigqllglshddvsllanagalpmdiangmienvigtfelpy avasnfqingrdvlvplvveepsivaaasymaklaranggfttsssaplmhaqvqivgiq dplnarlsllrrkdeiielanrkdqllnslgggcrdievhtfadtprgpmlvahlivdvr damgantvntmaeavaplmeaitggqvrlrilsnladlrlaraqvritpqqletaefsge aviegildayafaavdpyraathnkgimngidplivatgndwraveagahayacrsghyg slttwekdnnghlvgtlempmpvglvggatkthplaqlslrilgvktaqalaeiavavgl aqnlgamralategiqrghmalharniavvagarqlveyhdvradraval
>4i4bB (B:) msldsrlpafrnlspaarldhigqllglshddvsllanagalpmdiangmienvigtfel pyavasnfqingrdvlvplvveepsivaaasymaklaranggfttsssaplmhaqvqivg iqdplnarlsllrrkdeiielanrkdqllnslgggcrdievhtfadtprgpmlvahlivd vrdamgantvntmaeavaplmeaitggqvrlrilsnladlrlaraqvritpqqletaefs geaviegildayafaavdpyraathnkgimngidplivatgndwraveagahayacrsgh ygslttwekdnnghlvgtlempmpvglvggatkthplaqlslrilgvktaqalaeiavav glaqnlgamralategiqrghmalharniavvagargdevdwvarqlveyhdvradrava llkqkrgq
>4i4bB (B:) ldsrlpafrnlspaarldhigqllglshddvsllanagalpmdiangmienvigtfelpy avasnfqingrdvlvplvveepsivaaasymaklaranggfttsssaplmhaqvqivgiq dplnarlsllrrkdeiielanrkdqllnslgggcrdievhtfadtprgpmlvahlivdvr damgantvntmaeavaplmeaitggqvrlrilsnladlrlaraqvritpqqletaefsge aviegildayafaavdpyraathnkgimngidplivatgndwraveagahayacrsghyg slttwekdnnghlvgtlempmpvglvggatkthplaqlslrilgvktaqalaeiavavgl aqnlgamralategiq