8Q25

Outward-facing, open1 proteoliposome complex I at 2.8 A, after deactivation treatment. Initially purified in LMNG.

  • Classification: MEMBRANE PROTEIN
  • Organism(s): Bos taurus
  • Mutation(s): Yes 
  • Membrane Protein: Yes  PDBTM

  • Deposited: 2023-08-01 Released: 2024-06-05 
  • Deposition Author(s): Grba, D.N., Hirst, J.
  • Funding Organization(s): Medical Research Council (MRC, United Kingdom)

Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.80 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental
View more details

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Molecular mechanism of the ischemia-induced regulatory switch in mammalian complex I.

Grba, D.N.Wright, J.J.Yin, Z.Fisher, W.Hirst, J.

(2024) Science 384: 1247-1253

  • DOI: https://doi.org/10.1126/science.ado2075
  • Primary Citation of Related Structures:  
    8Q0A, 8Q0F, 8Q0J, 8Q0M, 8Q0O, 8Q0Q, 8Q1P, 8Q1U, 8Q1Y, 8Q25, 8Q45, 8Q46, 8Q47, 8Q48, 8Q49, 8Q4A

  • PubMed Abstract: 

    Respiratory complex I is an efficient driver for oxidative phosphorylation in mammalian mitochondria, but its uncontrolled catalysis under challenging conditions leads to oxidative stress and cellular damage. Ischemic conditions switch complex I from rapid, reversible catalysis into a dormant state that protects upon reoxygenation, but the molecular basis for the switch is unknown. We combined precise biochemical definition of complex I catalysis with high-resolution cryo-electron microscopy structures in the phospholipid bilayer of coupled vesicles to reveal the mechanism of the transition into the dormant state, modulated by membrane interactions. By implementing a versatile membrane system to unite structure and function, attributing catalytic and regulatory properties to specific structural states, we define how a conformational switch in complex I controls its physiological roles.


  • Organizational Affiliation

    Medical Research Council Mitochondrial Biology Unit, University of Cambridge, Keith Peters Building, Cambridge Biomedical Campus, Hills Road, Cambridge CB2 0XY, UK.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
NADH-ubiquinone oxidoreductase chain 3115Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial216Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
Find proteins for P42026 (Bos taurus)
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrial266Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
Find proteins for P23709 (Bos taurus)
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial463Bos taurusMutation(s): 1 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
Find proteins for P17694 (Bos taurus)
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial249Bos taurusMutation(s): 0 
EC: 1.6.5.3 (PDB Primary Data), 1.6.99.3 (PDB Primary Data), 7.1.1.2 (UniProt)
Membrane Entity: Yes 
UniProt
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial464Bos taurusMutation(s): 0 
EC: 1.6.5.3 (PDB Primary Data), 1.6.99.3 (PDB Primary Data), 7.1.1.2 (UniProt)
Membrane Entity: Yes 
UniProt
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial727Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
NADH-ubiquinone oxidoreductase chain 1318Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
Find proteins for P03887 (Bos taurus)
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial212Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
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Find proteins for P42028 (Bos taurus)
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
NADH-ubiquinone oxidoreductase chain 6175Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
Find proteins for P03924 (Bos taurus)
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
NADH-ubiquinone oxidoreductase chain 4L98Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
Find proteins for P03902 (Bos taurus)
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
NADH-ubiquinone oxidoreductase chain 5606Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
NADH-ubiquinone oxidoreductase chain 4459Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
NADH-ubiquinone oxidoreductase chain 2347Bos taurusMutation(s): 0 
EC: 7.1.1.2
Membrane Entity: Yes 
UniProt
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial343Bos taurusMutation(s): 1 
Membrane Entity: Yes 
UniProt
Find proteins for P34942 (Bos taurus)
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Entity ID: 16
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 9, mitochondrial380Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 17
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial175Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for Q02375 (Bos taurus)
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Entity ID: 18
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial124Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for P23934 (Bos taurus)
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Entity ID: 19
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 299Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for Q02370 (Bos taurus)
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Entity ID: 20
MoleculeChains Sequence LengthOrganismDetailsImage
Acyl carrier protein, mitochondrial
T, U
156Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for P52505 (Bos taurus)
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Entity ID: 21
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5116Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for P23935 (Bos taurus)
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Entity ID: 22
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 6128Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for Q02366 (Bos taurus)
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Entity ID: 23
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8172Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for P42029 (Bos taurus)
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Entity ID: 24
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11141Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for Q8HXG6 (Bos taurus)
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Entity ID: 25
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13144Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
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Entity ID: 26
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 1AA [auth a]70Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
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Entity ID: 27
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3BA [auth b]84Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 28
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrialCA [auth c]76Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 29
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 subunit C2DA [auth d]120Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 30
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] iron-sulfur protein 5EA [auth e]106Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for Q02379 (Bos taurus)
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Entity ID: 31
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1FA [auth f]57Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 32
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrialGA [auth g]154Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 33
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5, mitochondrialHA [auth h]189Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 34
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6IA [auth i]128Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 35
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, mitochondrialJA [auth j]108Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 36
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3KA [auth k]98Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 37
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrialLA [auth l]186Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
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Entity ID: 38
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4MA [auth m]129Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
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Entity ID: 39
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9NA [auth n]179Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 40
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7OA [auth o]137Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 41
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10PA [auth p]176Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
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Entity ID: 42
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12QA [auth q]145Bos taurusMutation(s): 0 
Membrane Entity: Yes 
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Entity ID: 43
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7RA [auth r]113Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for Q05752 (Bos taurus)
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Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ05752
Sequence Annotations
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 44
MoleculeChains Sequence LengthOrganismDetailsImage
NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrialSA [auth s]109Bos taurusMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for P25712 (Bos taurus)
Explore P25712 
Go to UniProtKB:  P25712
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP25712
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 16 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
CDL
Query on CDL

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AC [auth M]
GC [auth N]
GD [auth d]
HD [auth d]
IB [auth H]
AC [auth M],
GC [auth N],
GD [auth d],
HD [auth d],
IB [auth H],
PD [auth i],
UB [auth L],
WD [auth r]
CARDIOLIPIN
C81 H156 O17 P2
XVTUQDWPJJBEHJ-KZCWQMDCSA-L
U10
Query on U10

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HB [auth H]UBIQUINONE-10
C59 H90 O4
ACTIUHUUMQJHFO-UPTCCGCDSA-N
PC1
Query on PC1

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AD [auth Z]
DC [auth M]
EC [auth M]
JB [auth H]
JD [auth d]
AD [auth Z],
DC [auth M],
EC [auth M],
JB [auth H],
JD [auth d],
KB [auth H],
LB [auth H],
ND [auth h],
PB [auth I],
QD [auth l],
SB [auth J],
SD [auth m],
VA [auth A],
VD [auth q],
WA [auth A],
YA [auth B],
ZA [auth B]
1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE
C44 H88 N O8 P
NRJAVPSFFCBXDT-HUESYALOSA-N
3PE
Query on 3PE

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BC [auth M]
CC [auth M]
CD [auth a]
DD [auth b]
ED [auth b]
BC [auth M],
CC [auth M],
CD [auth a],
DD [auth b],
ED [auth b],
HC [auth N],
ID [auth d],
KD [auth f],
LD [auth g],
NC [auth P],
OB [auth I],
QB [auth J],
RB [auth J],
RC [auth Y],
RD [auth m],
SC [auth Y],
TA [auth A],
TC [auth Y],
UA [auth A],
UC [auth Y],
UD [auth q],
VB [auth L],
VC [auth Y],
WB [auth L],
WC [auth Y],
XB [auth L],
XC [auth Y],
XD [auth r],
ZC [auth Z]
1,2-Distearoyl-sn-glycerophosphoethanolamine
C41 H82 N O8 P
LVNGJLRDBYCPGB-LDLOPFEMSA-N
NDP
Query on NDP

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MC [auth P]NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
C21 H30 N7 O17 P3
ACFIXJIJDZMPPO-NNYOXOHSSA-N
PLC
Query on PLC

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BD [auth Z]
FC [auth M]
FD [auth b]
KC [auth O]
LC [auth O]
BD [auth Z],
FC [auth M],
FD [auth b],
KC [auth O],
LC [auth O],
MD [auth g],
TB [auth J],
YB [auth L],
YC [auth Y]
DIUNDECYL PHOSPHATIDYL CHOLINE
C32 H65 N O8 P
IJFVSSZAOYLHEE-SSEXGKCCSA-O
EHZ
Query on EHZ

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PC [auth T],
QC [auth U]
~{S}-[2-[3-[[(2~{R})-3,3-dimethyl-2-oxidanyl-4-phosphonooxy-butanoyl]amino]propanoylamino]ethyl] (3~{S})-3-oxidanyltetradecanethioate
C25 H49 N2 O9 P S
JYSKQPQRUCZFIQ-REWPJTCUSA-N
DGT
Query on DGT

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JC [auth O]2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O13 P3
HAAZLUGHYHWQIW-KVQBGUIXSA-N
FMN
Query on FMN

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CB [auth F]FLAVIN MONONUCLEOTIDE
C17 H21 N4 O9 P
FVTCRASFADXXNN-SCRDCRAPSA-N
CHD
Query on CHD

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OD [auth i]CHOLIC ACID
C24 H40 O5
BHQCQFFYRZLCQQ-OELDTZBJSA-N
SF4
Query on SF4

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BB [auth F]
DB [auth G]
EB [auth G]
MB [auth I]
NB [auth I]
BB [auth F],
DB [auth G],
EB [auth G],
MB [auth I],
NB [auth I],
XA [auth B]
IRON/SULFUR CLUSTER
Fe4 S4
LJBDFODJNLIPKO-UHFFFAOYSA-N
MYR
Query on MYR

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TD [auth o]MYRISTIC ACID
C14 H28 O2
TUNFSRHWOTWDNC-UHFFFAOYSA-N
FES
Query on FES

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AB [auth E],
FB [auth G]
FE2/S2 (INORGANIC) CLUSTER
Fe2 S2
NIXDOXVAJZFRNF-UHFFFAOYSA-N
ZN
Query on ZN

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OC [auth R],
ZB [auth M]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
K
Query on K

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GB [auth G]POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
MG
Query on MG

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IC [auth O]MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Modified Residues  4 Unique
IDChains TypeFormula2D DiagramParent
FME
Query on FME
A
L-PEPTIDE LINKINGC6 H11 N O3 SMET
2MR
Query on 2MR
D
L-PEPTIDE LINKINGC8 H18 N4 O2ARG
AYA
Query on AYA
Y
L-PEPTIDE LINKINGC5 H9 N O3ALA
SAC
Query on SAC
IA [auth i]L-PEPTIDE LINKINGC5 H9 N O4SER
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.80 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX1.20.1-4487
RECONSTRUCTIONRELION4.0-beta

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Medical Research Council (MRC, United Kingdom)United KingdomMC_UU_00015/2
Medical Research Council (MRC, United Kingdom)United KingdomMC_UU_00028/1

Revision History  (Full details and data files)

  • Version 1.0: 2024-06-05
    Type: Initial release
  • Version 1.1: 2024-06-26
    Changes: Data collection, Database references