2025-12-06_00000147|hard|9L7P

Cryo-EM structure of retron Ec78 system complex; Electron microscopy 3.03Å
Protein #1 550 residues (96% resolved)

MTKQYERKAKGGNLLSAFELYQRNSDKAPGLGEMLVGEWFEMCRDYIQDGHVDESGIFRPDNAFYLRRLTLKDFRRFSLLEIKLEEDLTVIIGNNGKGKTSILYAIAKTLSWFVANILKEGGSGQRLSEMTDIKNDAEDRYSDVSSTFFFGKGLKSVPIRLSRSALGTAERRDSEVKPAKDLADIWRVINEVNTINLPTFALYNVERSQPFNRNIKDNTGRREERFDAYSQTLGGAGRFDHFVEWYIYLHKRTVSDISSSIKELEQQVNDLQRTVDGGMVSVKSLLEQMKFKLSEAIERNDAAVSSRVLTESVQKSIVEKAICSVVPSISNIWVEMITGSDLVKVTNDGHDVTIDQLSDGQRVFLSLVADLARRMVMLNPLLENPLEGRGIVLIDEIELHLHPKWQQEVILNLRSAFPNIQFIITTHSPIVLSTIEKRCIREFEPNDDGDQSFLDSPDMQTKGSENAQILEQVMNVHSTPPGIAESHWLGNFELLLLDNSGELDNHSQVLYDQIKAHFGIDSIELKKADSLIRINKMKNKLNKIRAEKGK

MTKQYERKAKGGNLLSAFELYQRNSDKAPGLGEMLVGEWFEMCRDYIQDGHVDESGIFRPDNAFYLRRLTLKDFRRFSLLEIKLEEDLTVIIGNNGKGKTSILYAIAKTLSWFVANILKEGGSGQRLSEMTDIKNDAEDRYSDVSSTFFFGKGLKSVPIRLSRSALGTAERRDSEVKPAKDLADIWRVINEVNTINLPTFALYNVERSQPFNRNIKDNTGRREERFDAYSQTLGGAGRFDHFVEWYIYLHKRTVSDISSSIKELEQQVNDLQRTVDGGMVSVKSLLEQMKFKLSEAIERNDAAVSSRVLTESVQKSIVEKAICSVVPSISNIWVEMITGSDLVKVTNDGHDVTIDQLSDGQRVFLSLVADLARRMVMLNPLLENPLEGRGIVLIDEIELHLHPKWQQEVILNLRSAFPNIQFIITTHSPIVLSTIEKRCIREFEPNDDGDQSFLDSPDMQTKGSENAQILEQVMNVHSTPPGIAESHWLGNFELLLLDNSGELDNHSQVLYDQIKAHFGIDSIELKKADSLIRINKMKNKLNKIRAEKGK
Protein #2 311 residues (99% resolved)

MSVIRGLAAVLRQSDSDISAFLVTAPRKYKVYKIPKRTTGFRVIAQPAKGLKDIQRAFVQLYSLPVHDASMAYMKGKGIRDNAAAHAGNQYLLKADLEDFFNSITPAIFWRCIEMSSAQTPQFEPQDKLFIEKILFWQPIKRRKTKLILSVGAPSSPVISNFCMYEFDNRIHAACKKVEITYTRYADDLTFSSNIPDVLKAVPSTLEVLLKDLFGSALRLNHSKTVFSSKAHNRHVTGITINNEETLSLGRDRKRFIKHLINQYKYGLLDNEDKAYLIGLLAFASHIEPSFITRMNEKYSLELMERLRGQR

MSVIRGLAAVLRQSDSDISAFLVTAPRKYKVYKIPKRTTGFRVIAQPAKGLKDIQRAFVQLYSLPVHDASMAYMKGKGIRDNAAAHAGNQYLLKADLEDFFNSITPAIFWRCIEMSSAQTPQFEPQDKLFIEKILFWQPIKRRKTKLILSVGAPSSPVISNFCMYEFDNRIHAACKKVEITYTRYADDLTFSSNIPDVLKAVPSTLEVLLKDLFGSALRLNHSKTVFSSKAHNRHVTGITINNEETLSLGRDRKRFIKHLINQYKYGLLDNEDKAYLIGLLAFASHIEPSFITRMNEKYSLELMERLRGQR
Protein #3 216 residues (100% resolved)

MRELARLERPEILDQYIAGQNDWMEIDQSAVWPKLTEMQGGFCAYCECRLNRCHIEHFRPRGKFPALTFIWNNLFGSCGDSRKSGGWSRCGIYKDNGAGAYNADDLIKPDEENPDDYLLFLTTGEVVPAIGLTGRALKKAQETIRVFNLNGDIKLFGSRRTAVQAIMPNVEYLYTLLEEFDEDDWNEMLRDELEKIESDEYKTALKHAWTFNQEFA

MRELARLERPEILDQYIAGQNDWMEIDQSAVWPKLTEMQGGFCAYCECRLNRCHIEHFRPRGKFPALTFIWNNLFGSCGDSRKSGGWSRCGIYKDNGAGAYNADDLIKPDEENPDDYLLFLTTGEVVPAIGLTGRALKKAQETIRVFNLNGDIKLFGSRRTAVQAIMPNVEYLYTLLEEFDEDDWNEMLRDELEKIESDEYKTALKHAWTFNQEFA
RNA #4 144 bases

ACUCUUUAGCGUUGGACGGUUACGUCUAGUCGGGUGAUUAGCCAGACUCUAACUUAUUGAACGUAUUAAGGGUUGCGAAAGUGUCGCAACCCGAGAUCGUUCCUCUCUCGGGUUGCGACACUUUCGCUUCCUCAAGUAAAGAGU

ACUCUUUAGCGUUGGACGGUUACGUCUAGUCGGGUGAUUAGCCAGACUCUAACUUAUUGAACGUAUUAAGGGUUGCGAAAGUGUCGCAACCCGAGAUCGUUCCUCUCUCGGGUUGCGACACUUUCGCUUCCUCAAGUAAAGAGU
DNA #5 78 bases

(DT)(DT)(DG)(DA)(DG)(DG)(DA)(DA)(DG)(DC)(DG)(DA)(DA)(DA)(DG)(DT)(DG)(DT)(DC)(DG)(DC)(DA)(DA)(DC)(DC)(DC)(DG)(DA)(DG)(DA)(DG)(DA)(DG)(DG)(DA)(DA)(DC)(DG)(DA)(DT)(DC)(DT)(DC)(DG)(DG)(DG)(DT)(DT)(DG)(DC)(DG)(DA)(DC)(DA)(DC)(DT)(DT)(DT)(DC)(DG)(DC)(DA)(DA)(DC)(DC)(DC)(DT)(DT)(DA)(DA)(DT)(DA)(DC)(DG)(DT)(DT)(DC)(DA)

TTGAGGAAGCGAAAGTGTCGCAACCCGAGAGAGGAACGATCTCGGGTTGCGACACTTTCGCAACCCTTAATACGTTCA
Non polymer #6 ATP

InChI=1S/C10H16N5O13P3/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(26-10)1-25-30(21,22)28-31(23,24)27-29(18,19)20/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H,23,24)(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1

c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@@](=O)(O)O[P@](=O)(O)OP(=O)(O)O)O)O)N
Non polymer #7 MG

InChI=1S/Mg/q+2

[Mg+2]
Non polymer #8 ZN

InChI=1S/Zn/q+2

[Zn+2]
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Reference