Chains and heterogens:
PDB Chain Sequences:
>3k7eA (A:) afykremfdpaekykmdhrrrgialifnherffwhltlperrgtcadrdnltrrfsdlgf evkcfndlkaeelllkihevstvshadadcfvcvflshgegnhiyaydakieiqtltglf kgdkchslvgkpkifiiqacrgnqhdvpvipldvvdnqtekldtnitevdaasvytlpag adflmcysvaegyyshretvngswyiqdlcemlgkygssleftelltlvnrkvsqrrvdf ckdpsaigkkqvpcfasmltkklhffpksnlehhhhhh
>3k7eA (A:) paekykmdhrrrgialifnherffwhltlperrgtcadrdnltrrfsdlgfevkcfndlk aeelllkihevstvshadadcfvcvflshgegnhiyaydakieiqtltglfkgdkchslv gkpkifiiqactlpagadflmcysvaegyyshretvngswyiqdlcemlgkygsslefte lltlvnrkvsqrigkkqvpcfasmltkklhffpk
>3k7eC (C:) afykremfdpaekykmdhrrrgialifnherffwhltlperrgtcadrdnltrrfsdlgf evkcfndlkaeelllkihevstvshadadcfvcvflshgegnhiyaydakieiqtltglf kgdkchslvgkpkifiiqacrgnqhdvpvipldvvdnqtekldtnitevdaasvytlpag adflmcysvaegyyshretvngswyiqdlcemlgkygssleftelltlvnrkvsqrrvdf ckdpsaigkkqvpcfasmltkklhffpksnlehhhhhh
>3k7eC (C:) dpaekykmdhrrrgialifnherffwhltlperrgtcadrdnltrrfsdlgfevkcfndl kaeelllkihevstvshadadcfvcvflshgegnhiyaydakieiqtltglfkgdkchsl vgkpkifiiqtlpagadflmcysvaegyyshretvngswyiqdlcemlgkygssleftel ltlvnrkvsqrrgkkqvpcfasmltkklhffp
>3k7eD (D:) afykremfdpaekykmdhrrrgialifnherffwhltlperrgtcadrdnltrrfsdlgf evkcfndlkaeelllkihevstvshadadcfvcvflshgegnhiyaydakieiqtltglf kgdkchslvgkpkifiiqacrgnqhdvpvipldvvdnqtekldtnitevdaasvytlpag adflmcysvaegyyshretvngswyiqdlcemlgkygssleftelltlvnrkvsqrrvdf ckdpsaigkkqvpcfasmltkklhffpksnlehhhhhh
>3k7eD (D:) paekykmdhrrrgialifnherffwhltlperrgtcadrdnltrrfsdlgfevkcfndlk aeelllkihevstvshadadcfvcvflshgegnhiyaydakieiqtltglfkgdkchslv gkpkifiiqacvytlpagadflmcysvaegyyshretvngswyiqdlcemlgkygsslef telltlvnrkvsqrkqvpcfasmltkklhffpk