2026-07-18_00000154|ligand|9PXK

CryoEM structure of Ndh-Ncp complex from Bacillus subtilis with NADH and MK-8; Electron microscopy 2.52Å
Protein #1 392 residues (100% resolved)

MSKHIVILGAGYGGVLSALTVRKHYTKEQARVTVVNKYPTHQIITELHRLAAGNVSEKAVAMPLEKLFKGKDIDLKIAEVSSFSVDKKEVALADGSTLTYDALVVGLGSVTAYFGIPGLEENSMVLKSAADANKVFQHVEDRVREYSKTKNEADATILIGGGGLTGVELVGELADIMPNLAKKYGVDHKEIKLKLVEAGPKILPVLPDDLIERATASLEKRGVEFLTGLPVTNVEGNVIDLKDGSKVVANTFVWTGGVQGNPLVGESGLEVNRGRATVNDFLQSTSHEDVFVAGDSAVYFGPDGRPYPPTAQIAWQMGELIGYNLFAYLEGKTLETFKPVNSGTLASLGRKDAVAIIGANSTPLKGLPASLMKEASNVRYLTHIKGLFSLAY

MSKHIVILGAGYGGVLSALTVRKHYTKEQARVTVVNKYPTHQIITELHRLAAGNVSEKAVAMPLEKLFKGKDIDLKIAEVSSFSVDKKEVALADGSTLTYDALVVGLGSVTAYFGIPGLEENSMVLKSAADANKVFQHVEDRVREYSKTKNEADATILIGGGGLTGVELVGELADIMPNLAKKYGVDHKEIKLKLVEAGPKILPVLPDDLIERATASLEKRGVEFLTGLPVTNVEGNVIDLKDGSKVVANTFVWTGGVQGNPLVGESGLEVNRGRATVNDFLQSTSHEDVFVAGDSAVYFGPDGRPYPPTAQIAWQMGELIGYNLFAYLEGKTLETFKPVNSGTLASLGRKDAVAIIGANSTPLKGLPASLMKEASNVRYLTHIKGLFSLAY
Protein #2 176 residues (68% resolved)

WSHPQFEKGGGSGGGSGGSAWSHPQFEKENLYFQGSMPETIDQTNASVSQSQQDLIDQLLKPEVQESLTVLVDQLPKLTELVNILTKSYDFAQSVATDEVLKSDTVGAITEILEPVKETAKEVAATAIEAKDRAEASNETIGLFGLLRMLKDPQAQKLFRFANSYLEVMNERENQK

WSHPQFEKGGGSGGGSGGSAWSHPQFEKENLYFQGSMPETIDQTNASVSQSQQDLIDQLLKPEVQESLTVLVDQLPKLTELVNILTKSYDFAQSVATDEVLKSDTVGAITEILEPVKETAKEVAATAIEAKDRAEASNETIGLFGLLRMLKDPQAQKLFRFANSYLEVMNERENQK
Non polymer #3 FAD

InChI=1S/C27H33N9O15P2/c1-10-3-12-13(4-11(10)2)35(24-18(32-12)25(42)34-27(43)33-24)5-14(37)19(39)15(38)6-48-52(44,45)51-53(46,47)49-7-16-20(40)21(41)26(50-16)36-9-31-17-22(28)29-8-30-23(17)36/h3-4,8-9,14-16,19-21,26,37-41H,5-7H2,1-2H3,(H,44,45)(H,46,47)(H2,28,29,30)(H,34,42,43)/t14-,15+,16+,19-,20+,21+,26+/m0/s1

Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO[P@@](=O)(O)O[P@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)O)O)O)O)O
Non polymer #4 MQ8

InChI=1S/C51H72O2/c1-38(2)20-13-21-39(3)22-14-23-40(4)24-15-25-41(5)26-16-27-42(6)28-17-29-43(7)30-18-31-44(8)32-19-33-45(9)36-37-47-46(10)50(52)48-34-11-12-35-49(48)51(47)53/h11-12,20,22,24,26,28,30,32,34-36H,13-19,21,23,25,27,29,31,33,37H2,1-10H3/b39-22+,40-24+,41-26-,42-28+,43-30+,44-32+,45-36+

CC1=C(C(=O)c2ccccc2C1=O)C\C=C(/C)\CC\C=C(/C)\CC\C=C(/C)\CC\C=C(/C)\CC\C=C(\C)/CCC=C(C)CC\C=C(/C)\CCC=C(C)C
Non polymer #5 NAI

InChI=1S/C21H29N7O14P2/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(32)14(30)11(41-21)6-39-44(36,37)42-43(34,35)38-5-10-13(29)15(31)20(40-10)27-3-1-2-9(4-27)18(23)33/h1,3-4,7-8,10-11,13-16,20-21,29-32H,2,5-6H2,(H2,23,33)(H,34,35)(H,36,37)(H2,22,24,25)/t10-,11-,13-,14-,15-,16-,20-,21-/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)OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=CCC(=C5)C(=O)N)O)O)O)O)N
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