Chains and heterogens:
PDB Chain Sequences:
>1xc7A (A:) srplsdqekrkqisvrglagvenvtelkknfnrhlhftlvkdrnvatprdyyfalahtvr dhlvgrwirtqqhyyekdpkriyylslefymgrtlqntmvnlalenacdeatyqlgldme eleeieedaglgngglgrlaacfldsmatlglaaygygiryefgifnqkicggwqmeead dwlrygnpwekarpeftlpvhfygrvehtsqgakwvdtqvvlampydtpvpgyrnnvvnt mrlwsakapndfnlkdfnvggyiqavldrnlaenisrvlypndnffegkelrlkqeyfvv aatlqdiirrfksskfgcrdpvrtnfdafpdkvaiqlndthpslaipelmrvlvdlerld wdkawevtvktcaytnhtvlpealerwpvhlletllprhlqiiyeinqrflnrvaaafpg dvdrlrrmslveegavkrinmahlciagshavngvarihseilkktifkdfyelephkfq nktngitprrwlvlcnpglaeiiaerigeeyisdldqlrkllsyvddeafirdvakvkqe nklkfaaylereykvhinpnslfdvqvkriheykrqllnclhvitlynrikkepnkfvvp rtvmiggkaapgyhmakmiiklitaigdvvnhdpvvgdrlrviflenyrvslaekvipaa dlseqistagteasgtgnmkfmlngaltigtmdganvemaeeageenffifgmrvedvdr ldqrgynaqeyydripelrqiieqlssgffspkqpdlfkdivnmlmhhdrfkvfadyeey vkcqervsalyknprewtrmvirniatsgkfssdrtiaqyareiwgvepsrqrlpapdek ip
>1xc7A (A:) qisvrglagvenvtelkknfnrhlhftlvkdrnvatprdyyfalahtvrdhlvgrwirtq qhyyekdpkriyylslefymgrtlqntmvnlalenacdeatyqlgldmeeleeieedagl gngglgrlaacfldsmatlglaaygygiryefgifnqkicggwqmeeaddwlrygnpwek arpeftlpvhfygrvehtsqgakwvdtqvvlampydtpvpgyrnnvvntmrlwsakapnd fnlgyiqavldrnlaenisrvlypndnffegkelrlkqeyfvvaatlqdiirrfksstnf dafpdkvaiqlndthpslaipelmrvlvdlerldwdkawevtvktcaytnhtvlpealer wpvhlletllprhlqiiyeinqrflnrvaaafpgdvdrlrrmslveegavkrinmahlci agshavngvarihseilkktifkdfyelephkfqnktngitprrwlvlcnpglaeiiaer igeeyisdldqlrkllsyvddeafirdvakvkqenklkfaaylereykvhinpnslfdvq vkriheykrqllnclhvitlynrikkepnkfvvprtvmiggkaapgyhmakmiiklitai gdvvnhdpvvgdrlrviflenyrvslaekvipaadlseqistagteasgtgnmkfmlnga ltigtmdganvemaeeageenffifgmrvedvdrldqrgynaqeyydripelrqiieqls sgffspkqpdlfkdivnmlmhhdrfkvfadyeeyvkcqervsalyknprewtrmvirnia tsgkfssdrtiaqyareiwgvepsrqrlpa