2026-07-25_00000056|ligand|32FI

CryoEM structure of the E494A Quinol-Dependent Nitric Oxide Reductase; Electron microscopy 2.50Å
Protein #1 761 residues (99% resolved)

MGPYRRLWFTLIAVLAVTFALLGFYGGEVYRQAPPIPEEVASADGTRLFGRDDILDGQTAWQSIGGMQLGSIWGHGAYQAPDWTADWLHRELMAWLDLAARDAHGRDYGQLDAPAQAALREQLKAEYRANRADAAGGKLTLSPRRAQAVAQTEAYYDQLFSDAPALHRSRENYAMKENTLPDANRRRQMTHFFFWTAWAAATEREGTSVTYTNNWPHEPLIGNHPSSENVMWSIISVVVLLAGIGLLIWAWAFLRGKEEDEPPAPARDPLTTFALTPSQRALGKYLFLVVALFGFQVLLGGFTAHYTVEGQKFYGIDLSQWFPYSLVRTWHIQSALFWIATGFLAAGLFLAPLINGGRDPKYQKAGVDILFWALVLVVVGSFAGNYLAIAQIMPPDLNFWLGHQGYEYVDLGRLWQIGKFAGICFWLVLMLRGIVPALRTPGGDKNLLALLTASVGAIGLFYGAGFFYGERTHLTVMEYWRWWIVHLWVEGFFAVFATTALAFIFSTLGLVSRRMATTASLASASLFMLGGIPGTFHHLYFAGTTTPVMAVGASFSALEVVPLIVLGHEAWENWRLKTRAPWMENLKWPLMCFVAVAFWNMLGAGVFGFMINPPVSLYYIQGLNTTPVHAHAALFGVYGFLALGFTLLVLRYIRPQYALSPGLMKLAFWGLNLGLALMIFTSLLPIGLIQFHASVSEGMWYARSEAFMQQDILKTLRWGRTFGDVVFLLGALAMVVQVILGLLSGKPAAAEPVLRAEPARR

MGPYRRLWFTLIAVLAVTFALLGFYGGEVYRQAPPIPEEVASADGTRLFGRDDILDGQTAWQSIGGMQLGSIWGHGAYQAPDWTADWLHRELMAWLDLAARDAHGRDYGQLDAPAQAALREQLKAEYRANRADAAGGKLTLSPRRAQAVAQTEAYYDQLFSDAPALHRSRENYAMKENTLPDANRRRQMTHFFFWTAWAAATEREGTSVTYTNNWPHEPLIGNHPSSENVMWSIISVVVLLAGIGLLIWAWAFLRGKEEDEPPAPARDPLTTFALTPSQRALGKYLFLVVALFGFQVLLGGFTAHYTVEGQKFYGIDLSQWFPYSLVRTWHIQSALFWIATGFLAAGLFLAPLINGGRDPKYQKAGVDILFWALVLVVVGSFAGNYLAIAQIMPPDLNFWLGHQGYEYVDLGRLWQIGKFAGICFWLVLMLRGIVPALRTPGGDKNLLALLTASVGAIGLFYGAGFFYGERTHLTVMEYWRWWIVHLWVEGFFAVFATTALAFIFSTLGLVSRRMATTASLASASLFMLGGIPGTFHHLYFAGTTTPVMAVGASFSALEVVPLIVLGHEAWENWRLKTRAPWMENLKWPLMCFVAVAFWNMLGAGVFGFMINPPVSLYYIQGLNTTPVHAHAALFGVYGFLALGFTLLVLRYIRPQYALSPGLMKLAFWGLNLGLALMIFTSLLPIGLIQFHASVSEGMWYARSEAFMQQDILKTLRWGRTFGDVVFLLGALAMVVQVILGLLSGKPAAAEPVLRAEPARR
Non polymer #2 CA

InChI=1S/Ca/q+2

[Ca+2]
Non polymer #3 HEM

InChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,1-2,9-12H2,3-6H3,(H4,35,36,37,38,39,40,41,42);/q;+2/p-2/b25-13-,26-13-,27-14-,28-15-,29-14-,30-15-,31-16-,32-16-;

Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=[N]4[Fe]36[N]7=C(C=C8N6C(=C5)C(=C8C)C=C)C(=C(C7=C2)C)C=C)C)CCC(=O)O
Non polymer #4 LMO

InChI=1S/C24H46O11/c1-2-3-4-5-6-7-8-9-10-11-12-32-23-21(30)20(29)18(27)16(35-23)14-33-24-22(31)19(28)17(26)15(13-25)34-24/h15-31H,2-14H2,1H3/t15-,16-,17+,18-,19+,20+,21-,22-,23-,24+/m1/s1

CCCCCCCCCCCCO[C@H]1[C@@H]([C@H]([C@@H]([C@H](O1)CO[C@@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO)O)O)O)O)O)O
Non polymer #5 LOP

InChI=1S/C35H68NO8P/c1-3-5-7-9-11-13-14-15-16-17-18-20-22-24-26-28-35(38)44-33(32-43-45(39,40)42-30-29-36)31-41-34(37)27-25-23-21-19-12-10-8-6-4-2/h15-16,33H,3-14,17-32,36H2,1-2H3,(H,39,40)/b16-15-/t33-/m1/s1

CCCCCCCCCCCC(=O)OC[C@H](CO[P@](=O)(O)OCCN)OC(=O)CCCCCCC\C=C/CCCCCCCC
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Reference