Chains and heterogens:
PDB Chain Sequences:
>7k37A (A:) mktiialsyifclalgqdlpgndnstatlclghhavpngtlvktitddqievtnatelvq ssstgkicnnphrildgidctlidallgdphcdvfqnetwdlfverskafsncypydvpd yaslrslvassgtlefitegftwtgvtqnggsnackrgpgsgffsrlnwltksgstypvl nvtmpnndnfdklyiwgvhhpstnqeqtslyvqasgrvtvstrrsqqtiipnigsrpwvr glssrisiywtivkpgdvlvinsngnliaprgyfkmrtgkssimrsdapidtcisecitp ngsipndkpfqnvnkitygacpkyvkqntlklatgmrnvpekqtr
>7k37A (A:) statlclghhavpngtlvktitddqievtnatelvqssstgkicnnphrildgidctlid allgdphcdvfqnetwdlfverskafsncypydvpdyaslrslvassgtlefitegftwt gvtqnggsnackrgpgsgffsrlnwltksgstypvlnvtmpnndnfdklyiwgvhhpstn qeqtslyvqasgrvtvstrrsqqtiipnigsrpwvrglssrisiywtivkpgdvlvinsn gnliaprgyfkmrtgkssimrsdapidtcisecitpngsipndkpfqnvnkitygacpky vkqntlklatgmrnvpek
>7k37B (B:) glfgaiagfiengwegmidgwygfrhqnsegtgqaadlkstqaaidqingklnrviektn ekfhqiekefsevegriqdlekyvedtkidlwsynaellvalenqhtidltdsemnklfe ktrrqlrenaedmgngcfkiyhkcdnaciesirngtydhdvyrdealnnrfqikgvelks gykdwilwisfaiscfllcvvllgfimwacqrgnircnicismgwshpqfekgggarggs gggswshpqfekgf
>7k37B (B:) glfgaiagfiengwegmidgwygfrhqnsegtgqaadlkstqaaidqingklnrviektn ekfhqiekefsevegriqdlekyvedtkidlwsynaellvalenqhtidltdsemnklfe ktrrqlrenaedmgngcfkiyhkcdnaciesirngtydhdvyrdealnnrfq
>7k37C (C:) mktiialsyifclalgqdlpgndnstatlclghhavpngtlvktitddqievtnatelvq ssstgkicnnphrildgidctlidallgdphcdvfqnetwdlfverskafsncypydvpd yaslrslvassgtlefitegftwtgvtqnggsnackrgpgsgffsrlnwltksgstypvl nvtmpnndnfdklyiwgvhhpstnqeqtslyvqasgrvtvstrrsqqtiipnigsrpwvr glssrisiywtivkpgdvlvinsngnliaprgyfkmrtgkssimrsdapidtcisecitp ngsipndkpfqnvnkitygacpkyvkqntlklatgmrnvpekqtr
>7k37C (C:) statlclghhavpngtlvktitddqievtnatelvqssstgkicnnphrildgidctlid allgdphcdvfqnetwdlfverskafsncypydvpdyaslrslvassgtlefitegftwt gvtqnggsnackrgpgsgffsrlnwltksgstypvlnvtmpnndnfdklyiwgvhhpstn qeqtslyvqasgrvtvstrrsqqtiipnigsrpwvrglssrisiywtivkpgdvlvinsn gnliaprgyfkmrtgkssimrsdapidtcisecitpngsipndkpfqnvnkitygacpky vkqntlklatgmrnvpek
>7k37D (D:) glfgaiagfiengwegmidgwygfrhqnsegtgqaadlkstqaaidqingklnrviektn ekfhqiekefsevegriqdlekyvedtkidlwsynaellvalenqhtidltdsemnklfe ktrrqlrenaedmgngcfkiyhkcdnaciesirngtydhdvyrdealnnrfqikgvelks gykdwilwisfaiscfllcvvllgfimwacqrgnircnicismgwshpqfekgggarggs gggswshpqfekgf
>7k37D (D:) glfgaiagfiengwegmidgwygfrhqnsegtgqaadlkstqaaidqingklnrviektn ekfhqiekefsevegriqdlekyvedtkidlwsynaellvalenqhtidltdsemnklfe ktrrqlrenaedmgngcfkiyhkcdnaciesirngtydhdvyrdealnnrfq
>7k37E (E:) mktiialsyifclalgqdlpgndnstatlclghhavpngtlvktitddqievtnatelvq ssstgkicnnphrildgidctlidallgdphcdvfqnetwdlfverskafsncypydvpd yaslrslvassgtlefitegftwtgvtqnggsnackrgpgsgffsrlnwltksgstypvl nvtmpnndnfdklyiwgvhhpstnqeqtslyvqasgrvtvstrrsqqtiipnigsrpwvr glssrisiywtivkpgdvlvinsngnliaprgyfkmrtgkssimrsdapidtcisecitp ngsipndkpfqnvnkitygacpkyvkqntlklatgmrnvpekqtr
>7k37E (E:) statlclghhavpngtlvktitddqievtnatelvqssstgkicnnphrildgidctlid allgdphcdvfqnetwdlfverskafsncypydvpdyaslrslvassgtlefitegftwt gvtqnggsnackrgpgsgffsrlnwltksgstypvlnvtmpnndnfdklyiwgvhhpstn qeqtslyvqasgrvtvstrrsqqtiipnigsrpwvrglssrisiywtivkpgdvlvinsn gnliaprgyfkmrtgkssimrsdapidtcisecitpngsipndkpfqnvnkitygacpky vkqntlklatgmrnvpek
>7k37F (F:) glfgaiagfiengwegmidgwygfrhqnsegtgqaadlkstqaaidqingklnrviektn ekfhqiekefsevegriqdlekyvedtkidlwsynaellvalenqhtidltdsemnklfe ktrrqlrenaedmgngcfkiyhkcdnaciesirngtydhdvyrdealnnrfqikgvelks gykdwilwisfaiscfllcvvllgfimwacqrgnircnicismgwshpqfekgggarggs gggswshpqfekgf
>7k37F (F:) glfgaiagfiengwegmidgwygfrhqnsegtgqaadlkstqaaidqingklnrviektn ekfhqiekefsevegriqdlekyvedtkidlwsynaellvalenqhtidltdsemnklfe ktrrqlrenaedmgngcfkiyhkcdnaciesirngtydhdvyrdealnnrfq
>7k37G (G:) qsvltqppsvsgapgqrvtisctgsssnigagyavhwyqqlpgtapkllisgnsnrpsgv pdrfsgsksgtsaslaitglqaedeadyycqsydsslsgsvfgggtkltvlgrtvaapsv fifppsdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstysl sstltlskadyekhkvyacevthqglsspvtksfnrgec
>7k37G (G:) svltqppsvsgapgqrvtisctgssavhwyqqlpgtapkllisgnsnrpsgvpdrfsgsk sgtsaslaitglqaedeadyycqssvfgggtkltvlgrtvaapsvfifppsdeqlksgta svvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstltlskadyekhk vyacevthqglsspvtksfnrg
>7k37I (I:) qsvltqppsvsgapgqrvtisctgsssnigagyavhwyqqlpgtapkllisgnsnrpsgv pdrfsgsksgtsaslaitglqaedeadyycqsydsslsgsvfgggtkltvlgrtvaapsv fifppsdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstysl sstltlskadyekhkvyacevthqglsspvtksfnrgec
>7k37I (I:) svltqppsvsgapgqrvtisctgssavhwyqqlpgtapkllisgnsnrpsgvpdrfsgsk sgtsaslaitglqaedeadyycqssvfgggtkltvlgrtvaapsvfifppsdeqlksgta svvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstltlskadyekhk vyacevthqglsspvtksfnrg
>7k37K (K:) qsvltqppsvsgapgqrvtisctgsssnigagyavhwyqqlpgtapkllisgnsnrpsgv pdrfsgsksgtsaslaitglqaedeadyycqsydsslsgsvfgggtkltvlgrtvaapsv fifppsdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstysl sstltlskadyekhkvyacevthqglsspvtksfnrgec
>7k37K (K:) svltqppsvsgapgqrvtisctgssavhwyqqlpgtapkllisgnsnrpsgvpdrfsgsk sgtsaslaitglqaedeadyycqssvfgggtkltvlgrtvaapsvfifppsdeqlksgta svvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstltlskadyekhk vyacevthqglsspvtksfnrg