Chains and heterogens:
PDB Chain Sequences:
>1exvA (A:) makpltdqekrrqisirgivgvenvaelkksfnrhlhftlvkdrnvattrdyyfalahtv rdhlvgrwirtqqhyydkcpkrvyylslefymgrtlqntminlglqnacdeaiyqlgldi eeleeieedaglgngglgrlaacfldsmatlglaaygygiryeygifnqkirdgwqveea ddwlrygnpweksrpefmlpvhfygkvehtntgtkwidtqvvlalpydtpvpgymnntvn tmrlwsarapndfnlrdfnvgdyiqavldrnlaenisrvlypndnffegkelrlkqeyfv vaatlqdiirrfkaskfgstrgagtvfdafpdqvaiqlndthpalaipelmrifvdiekl pwskaweltqktfaytnhtvlpealerwpvdlvekllprhleiiyeinqkhldrivalfp kdvdrlrrmslieeegskrinmahlcivgshavngvakihsdivktkvfkdfselepdkf qnktngitprrwlllcnpglaeliaekigedyvkdlsqltklhsflgddvflrelakvkq enklkfsqfleteykvkinpssmfdvqvkriheykrqllnclhvitmynrikkdpkklfv prtviiggkaapgyhmakmiiklitsvadvvnndpmvgsklkviflenyrvslaekvipa tdlseqistagteasgtgnmkfmlngaltigtmdganvemaeeageenlfifgmriddva aldkkgyeakeyyealpelklvidqidngffspkqpdlfkdiinmlfyhdrfkvfadyea yvkcqdkvsqlymnpkawntmvlkniaasgkfssdrtikeyaqniwnvepsdlkislsne snkvngn
>1exvA (A:) nvaelkksfnrhlhftlvkdrnvattrdyyfalahtvrdhlvgrwirtqqhyydkcpkrv yylslefymgrtlqntminlglqnacdeaiyqlgldieeleeieedaglgngglgrlaac fldsmatlglaaygygiryeygifnqkirdgwqveeaddwlrygnpweksrpefmlpvhf ygkvehtntgtkwidtqvvlalpydtpvpgymnntvntmrlwsarapgdyiqavldrnla enisrvlypndnffegkelrlkqeyfvvaatlqdiirrfkafdafpdqvaiqlndthpal aipelmrifvdieklpwskaweltqktfaytnhtvlpealerwpvdlvekllprhleiiy einqkhldrivalfpkdvdrlrrmslieeegskrinmahlcivgshavngvakihsdivk tkvfkdfselepdkfqnktngitprrwlllcnpglaeliaekigedyvkdlsqltklhsf lgddvflrelakvkqenklkfsqfleteykvkinpssmfdvqvkriheykrqllnclhvi tmynrikkdpkklfvprtviiggkaapgyhmakmiiklitsvadvvnndpmvgsklkvif lenyrvslaekvipatdlseqistagteasgtgnmkfmlngaltigtmdganvemaeeag eenlfifgmriddvaaldkkgyeakeyyealpelklvidqidngffspkqpdlfkdiinm lfyhdrfkvfadyeayvkcqdkvsqlymnpkawntmvlkniaasgkfssdrtikeyaqni wnveps
>1exvB (B:) makpltdqekrrqisirgivgvenvaelkksfnrhlhftlvkdrnvattrdyyfalahtv rdhlvgrwirtqqhyydkcpkrvyylslefymgrtlqntminlglqnacdeaiyqlgldi eeleeieedaglgngglgrlaacfldsmatlglaaygygiryeygifnqkirdgwqveea ddwlrygnpweksrpefmlpvhfygkvehtntgtkwidtqvvlalpydtpvpgymnntvn tmrlwsarapndfnlrdfnvgdyiqavldrnlaenisrvlypndnffegkelrlkqeyfv vaatlqdiirrfkaskfgstrgagtvfdafpdqvaiqlndthpalaipelmrifvdiekl pwskaweltqktfaytnhtvlpealerwpvdlvekllprhleiiyeinqkhldrivalfp kdvdrlrrmslieeegskrinmahlcivgshavngvakihsdivktkvfkdfselepdkf qnktngitprrwlllcnpglaeliaekigedyvkdlsqltklhsflgddvflrelakvkq enklkfsqfleteykvkinpssmfdvqvkriheykrqllnclhvitmynrikkdpkklfv prtviiggkaapgyhmakmiiklitsvadvvnndpmvgsklkviflenyrvslaekvipa tdlseqistagteasgtgnmkfmlngaltigtmdganvemaeeageenlfifgmriddva aldkkgyeakeyyealpelklvidqidngffspkqpdlfkdiinmlfyhdrfkvfadyea yvkcqdkvsqlymnpkawntmvlkniaasgkfssdrtikeyaqniwnvepsdlkislsne snkvngn
>1exvB (B:) nvaelkksfnrhlhftlvkdrnvattrdyyfalahtvrdhlvgrwirtqqhyydkcpkrv yylslefymgrtlqntminlglqnacdeaiyqlgldieeleeieedaglgngglgrlaac fldsmatlglaaygygiryeygifnqkirdgwqveeaddwlrygnpweksrpefmlpvhf ygkvehtntgtkwidtqvvlalpydtpvpgymnntvntmrlwsarapgdyiqavldrnla enisrvlypndnffegkelrlkqeyfvvaatlqdiirrfkafdafpdqvaiqlndthpal aipelmrifvdieklpwskaweltqktfaytnhtvlpealerwpvdlvekllprhleiiy einqkhldrivalfpkdvdrlrrmslieeegskrinmahlcivgshavngvakihsdivk tkvfkdfselepdkfqnktngitprrwlllcnpglaeliaekigedyvkdlsqltklhsf lgddvflrelakvkqenklkfsqfleteykvkinpssmfdvqvkriheykrqllnclhvi tmynrikkdpkklfvprtviiggkaapgyhmakmiiklitsvadvvnndpmvgsklkvif lenyrvslaekvipatdlseqistagteasgtgnmkfmlngaltigtmdganvemaeeag eenlfifgmriddvaaldkkgyeakeyyealpelklvidqidngffspkqpdlfkdiinm lfyhdrfkvfadyeayvkcqdkvsqlymnpkawntmvlkniaasgkfssdrtikeyaqni wnveps