9R14 | pdb_00009r14

Bovine complex I at pH 9.2 in the active state

PDB DOI: https://doi.org/10.2210/pdb9R14/pdb
EM Map EMD-53497: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Bos taurus
Mutation(s): Yes

Deposited: 2025-04-25 Released: 2026-11-04
Deposition Author(s): Fisher, W., Grba, D.N., Hirst, J.
Funding Organization(s): Medical Research Council (MRC, United Kingdom)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.24 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

Structural Basis of Proton-dependent Membrane Dynamics in Respiratory Complex I

Fisher, W., Wright, J.J., Nok Choy, M., Grba, D.N., Bridges, H.R., Hirst, J.

To be published.

Macromolecule Content

Total Structure Weight: 1,083.84 kDa
Atom Count: 70,435
Modeled Residue Count: 8,277
Deposited Residue Count: 9,215
Unique protein chains: 44

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 3	A	115	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P03898 (Bos taurus) Explore P03898 Go to UniProtKB: P03898
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UniProt Group	P03898
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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial	B	216	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P42026 (Bos taurus) Explore P42026 Go to UniProtKB: P42026
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UniProt Group	P42026
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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrial	C	266	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P23709 (Bos taurus) Explore P23709 Go to UniProtKB: P23709
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UniProt Group	P23709
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Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial	D	463	Bos taurus	Mutation(s): 1 EC: 7.1.1.2
UniProt
Find proteins for P17694 (Bos taurus) Explore P17694 Go to UniProtKB: P17694
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UniProt Group	P17694
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Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial	E	249	Bos taurus	Mutation(s): 0 EC: 1.6.5.3 (PDB Primary Data), 1.6.99.3 (PDB Primary Data), 7.1.1.2 (UniProt)
UniProt
Find proteins for P04394 (Bos taurus) Explore P04394 Go to UniProtKB: P04394
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P04394
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Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial	F	464	Bos taurus	Mutation(s): 0 EC: 1.6.5.3 (PDB Primary Data), 1.6.99.3 (PDB Primary Data), 7.1.1.2 (UniProt)
UniProt
Find proteins for P25708 (Bos taurus) Explore P25708 Go to UniProtKB: P25708
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UniProt Group	P25708
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Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial	G	727	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P15690 (Bos taurus) Explore P15690 Go to UniProtKB: P15690
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UniProt Group	P15690
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Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 1	H	318	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P03887 (Bos taurus) Explore P03887 Go to UniProtKB: P03887
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UniProt Group	P03887
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Entity ID: 9
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial	I	212	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P42028 (Bos taurus) Explore P42028 Go to UniProtKB: P42028
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UniProt Group	P42028
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Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 6	J	175	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P03924 (Bos taurus) Explore P03924 Go to UniProtKB: P03924
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UniProt Group	P03924
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Entity ID: 11
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 4L	K	98	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P03902 (Bos taurus) Explore P03902 Go to UniProtKB: P03902
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UniProt Group	P03902
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Entity ID: 12
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 5	L	606	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P03920 (Bos taurus) Explore P03920 Go to UniProtKB: P03920
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UniProt Group	P03920
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Entity ID: 13
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 4	M	459	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P03910 (Bos taurus) Explore P03910 Go to UniProtKB: P03910
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UniProt Group	P03910
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Entity ID: 14
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 2	N	347	Bos taurus	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for P03892 (Bos taurus) Explore P03892 Go to UniProtKB: P03892
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P03892
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Entity ID: 15
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial	O	343	Bos taurus	Mutation(s): 1
UniProt
Find proteins for P34942 (Bos taurus) Explore P34942 Go to UniProtKB: P34942
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P34942
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Entity ID: 16
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 9, mitochondrial	P	380	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P34943 (Bos taurus) Explore P34943 Go to UniProtKB: P34943
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UniProt Group	P34943
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Entity ID: 17
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial	Q	175	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02375 (Bos taurus) Explore Q02375 Go to UniProtKB: Q02375
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UniProt Group	Q02375
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Entity ID: 18
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial	R	124	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P23934 (Bos taurus) Explore P23934 Go to UniProtKB: P23934
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P23934
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Entity ID: 19
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2	S	99	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02370 (Bos taurus) Explore Q02370 Go to UniProtKB: Q02370
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UniProt Group	Q02370
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Entity ID: 20
Molecule	Chains	Sequence Length	Organism	Details	Image
Acyl carrier protein, mitochondrial	T, U	156	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P52505 (Bos taurus) Explore P52505 Go to UniProtKB: P52505
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UniProt Group	P52505
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Entity ID: 21
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5	V	116	Bos taurus	Mutation(s): 1
UniProt
Find proteins for P23935 (Bos taurus) Explore P23935 Go to UniProtKB: P23935
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UniProt Group	P23935
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Entity ID: 22
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 6	W	128	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02366 (Bos taurus) Explore Q02366 Go to UniProtKB: Q02366
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UniProt Group	Q02366
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Entity ID: 23
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8	X	172	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P42029 (Bos taurus) Explore P42029 Go to UniProtKB: P42029
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UniProt Group	P42029
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Entity ID: 24
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11	Y	141	Bos taurus	Mutation(s): 1
UniProt
Find proteins for Q8HXG6 (Bos taurus) Explore Q8HXG6 Go to UniProtKB: Q8HXG6
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UniProt Group	Q8HXG6
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Entity ID: 25
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13	Z	144	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q95KV7 (Bos taurus) Explore Q95KV7 Go to UniProtKB: Q95KV7
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UniProt Group	Q95KV7
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Entity ID: 26
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 1	AA [auth a]	70	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02377 (Bos taurus) Explore Q02377 Go to UniProtKB: Q02377
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UniProt Group	Q02377
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Entity ID: 27
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3	BA [auth b]	84	Bos taurus	Mutation(s): 1
UniProt
Find proteins for Q02371 (Bos taurus) Explore Q02371 Go to UniProtKB: Q02371
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UniProt Group	Q02371
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Entity ID: 28
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial	CA [auth c]	76	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02376 (Bos taurus) Explore Q02376 Go to UniProtKB: Q02376
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UniProt Group	Q02376
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Entity ID: 29
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 subunit C2	DA [auth d]	121	Bos taurus	Mutation(s): 1
UniProt
Find proteins for Q02827 (Bos taurus) Explore Q02827 Go to UniProtKB: Q02827
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UniProt Group	Q02827
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Entity ID: 30
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 5	EA [auth e]	106	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02379 (Bos taurus) Explore Q02379 Go to UniProtKB: Q02379
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UniProt Group	Q02379
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Entity ID: 31
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1	FA [auth f]	57	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02378 (Bos taurus) Explore Q02378 Go to UniProtKB: Q02378
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UniProt Group	Q02378
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Entity ID: 32
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrial	GA [auth g]	154	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q8HXG5 (Bos taurus) Explore Q8HXG5 Go to UniProtKB: Q8HXG5
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UniProt Group	Q8HXG5
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Entity ID: 33
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5, mitochondrial	HA [auth h]	189	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02380 (Bos taurus) Explore Q02380 Go to UniProtKB: Q02380
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UniProt Group	Q02380
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Entity ID: 34
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6	IA [auth i]	128	Bos taurus	Mutation(s): 1
UniProt
Find proteins for Q02367 (Bos taurus) Explore Q02367 Go to UniProtKB: Q02367
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UniProt Group	Q02367
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Entity ID: 35
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, mitochondrial	JA [auth j]	108	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02374 (Bos taurus) Explore Q02374 Go to UniProtKB: Q02374
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UniProt Group	Q02374
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Entity ID: 36
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3	KA [auth k]	98	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02365 (Bos taurus) Explore Q02365 Go to UniProtKB: Q02365
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UniProt Group	Q02365
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Entity ID: 37
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial	LA [auth l]	186	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02372 (Bos taurus) Explore Q02372 Go to UniProtKB: Q02372
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UniProt Group	Q02372
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Entity ID: 38
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4	MA [auth m]	129	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P48305 (Bos taurus) Explore P48305 Go to UniProtKB: P48305
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UniProt Group	P48305
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Entity ID: 39
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9	NA [auth n]	179	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02369 (Bos taurus) Explore Q02369 Go to UniProtKB: Q02369
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UniProt Group	Q02369
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Entity ID: 40
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7	OA [auth o]	137	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02368 (Bos taurus) Explore Q02368 Go to UniProtKB: Q02368
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UniProt Group	Q02368
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Entity ID: 41
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10	PA [auth p]	176	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q02373 (Bos taurus) Explore Q02373 Go to UniProtKB: Q02373
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UniProt Group	Q02373
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Entity ID: 42
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12	QA [auth q]	146	Bos taurus	Mutation(s): 1
UniProt
Find proteins for O97725 (Bos taurus) Explore O97725 Go to UniProtKB: O97725
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UniProt Group	O97725
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Entity ID: 43
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7	RA [auth r]	113	Bos taurus	Mutation(s): 1
UniProt
Find proteins for Q05752 (Bos taurus) Explore Q05752 Go to UniProtKB: Q05752
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UniProt Group	Q05752
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Entity ID: 44
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial	SA [auth s]	109	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P25712 (Bos taurus) Explore P25712 Go to UniProtKB: P25712
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UniProt Group	P25712
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Reference Sequence

Small Molecules

Ligands 14 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CDL Query on CDL Download:Ideal Coordinates CCD File SDF format, chain ZB [auth N] SDF format, chain XC [auth r] SDF format, chain SC [auth h] SDF format, chain RC [auth d] SDF format, chain OB [auth L] SDF format, chain MB [auth K] SDF format, chain HC [auth X] SDF format, chain HB [auth H] MOL2 format, chain ZB [auth N] MOL2 format, chain XC [auth r] MOL2 format, chain SC [auth h] MOL2 format, chain RC [auth d] MOL2 format, chain OB [auth L] MOL2 format, chain MB [auth K] MOL2 format, chain HC [auth X] MOL2 format, chain HB [auth H] mmCIF format, chain ZB [auth N] mmCIF format, chain XC [auth r] mmCIF format, chain SC [auth h] mmCIF format, chain RC [auth d] mmCIF format, chain OB [auth L] mmCIF format, chain MB [auth K] mmCIF format, chain HC [auth X] mmCIF format, chain HB [auth H]	HB [auth H] HC [auth X] MB [auth K] OB [auth L] RC [auth d] HB [auth H], HC [auth X], MB [auth K], OB [auth L], RC [auth d], SC [auth h], XC [auth r], ZB [auth N]	CARDIOLIPIN C₈₁ H₁₅₆ O₁₇ P₂ XVTUQDWPJJBEHJ-KZCWQMDCSA-L		Interactions Focus chain HB [auth H] Focus chain HC [auth X] Focus chain MB [auth K] Focus chain OB [auth L] Focus chain RC [auth d] Focus chain SC [auth h] Focus chain XC [auth r] Focus chain ZB [auth N] Interactions & Density Focus chain HB [auth H] Focus chain HC [auth X] Focus chain MB [auth K] Focus chain OB [auth L] Focus chain RC [auth d] Focus chain SC [auth h] Focus chain XC [auth r] Focus chain ZB [auth N]
PC1 Query on PC1 Download:Ideal Coordinates CCD File SDF format, chain YA [auth B] SDF format, chain WB [auth M] SDF format, chain VA [auth A] SDF format, chain TC [auth m] SDF format, chain TA [auth A] SDF format, chain QC [auth d] SDF format, chain MC [auth Z] SDF format, chain IC [auth Y] SDF format, chain CC [auth P] MOL2 format, chain YA [auth B] MOL2 format, chain WB [auth M] MOL2 format, chain VA [auth A] MOL2 format, chain TC [auth m] MOL2 format, chain TA [auth A] MOL2 format, chain QC [auth d] MOL2 format, chain MC [auth Z] MOL2 format, chain IC [auth Y] MOL2 format, chain CC [auth P] mmCIF format, chain YA [auth B] mmCIF format, chain WB [auth M] mmCIF format, chain VA [auth A] mmCIF format, chain TC [auth m] mmCIF format, chain TA [auth A] mmCIF format, chain QC [auth d] mmCIF format, chain MC [auth Z] mmCIF format, chain IC [auth Y] mmCIF format, chain CC [auth P]	CC [auth P] IC [auth Y] MC [auth Z] QC [auth d] TA [auth A] CC [auth P], IC [auth Y], MC [auth Z], QC [auth d], TA [auth A], TC [auth m], VA [auth A], WB [auth M], YA [auth B]	1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE C₄₄ H₈₈ N O₈ P NRJAVPSFFCBXDT-HUESYALOSA-N		Interactions Focus chain CC [auth P] Focus chain IC [auth Y] Focus chain MC [auth Z] Focus chain QC [auth d] Focus chain TA [auth A] Focus chain TC [auth m] Focus chain VA [auth A] Focus chain WB [auth M] Focus chain YA [auth B] Interactions & Density Focus chain CC [auth P] Focus chain IC [auth Y] Focus chain MC [auth Z] Focus chain QC [auth d] Focus chain TA [auth A] Focus chain TC [auth m] Focus chain VA [auth A] Focus chain WB [auth M] Focus chain YA [auth B]
3PE Query on 3PE Download:Ideal Coordinates CCD File SDF format, chain WA [auth A] SDF format, chain VB [auth M] SDF format, chain UC [auth m] SDF format, chain UB [auth M] SDF format, chain UA [auth A] SDF format, chain TB [auth L] SDF format, chain PC [auth d] SDF format, chain PB [auth L] SDF format, chain OC [auth d] SDF format, chain NB [auth L] SDF format, chain LB [auth I] SDF format, chain KC [auth Y] SDF format, chain JC [auth Y] SDF format, chain IB [auth I] SDF format, chain GB [auth H] MOL2 format, chain WA [auth A] MOL2 format, chain VB [auth M] MOL2 format, chain UC [auth m] MOL2 format, chain UB [auth M] MOL2 format, chain UA [auth A] MOL2 format, chain TB [auth L] MOL2 format, chain PC [auth d] MOL2 format, chain PB [auth L] MOL2 format, chain OC [auth d] MOL2 format, chain NB [auth L] MOL2 format, chain LB [auth I] MOL2 format, chain KC [auth Y] MOL2 format, chain JC [auth Y] MOL2 format, chain IB [auth I] MOL2 format, chain GB [auth H] mmCIF format, chain WA [auth A] mmCIF format, chain VB [auth M] mmCIF format, chain UC [auth m] mmCIF format, chain UB [auth M] mmCIF format, chain UA [auth A] mmCIF format, chain TB [auth L] mmCIF format, chain PC [auth d] mmCIF format, chain PB [auth L] mmCIF format, chain OC [auth d] mmCIF format, chain NB [auth L] mmCIF format, chain LB [auth I] mmCIF format, chain KC [auth Y] mmCIF format, chain JC [auth Y] mmCIF format, chain IB [auth I] mmCIF format, chain GB [auth H]	GB [auth H] IB [auth I] JC [auth Y] KC [auth Y] LB [auth I] GB [auth H], IB [auth I], JC [auth Y], KC [auth Y], LB [auth I], NB [auth L], OC [auth d], PB [auth L], PC [auth d], TB [auth L], UA [auth A], UB [auth M], UC [auth m], VB [auth M], WA [auth A]	1,2-Distearoyl-sn-glycerophosphoethanolamine C₄₁ H₈₂ N O₈ P LVNGJLRDBYCPGB-LDLOPFEMSA-N		Interactions Focus chain GB [auth H] Focus chain IB [auth I] Focus chain JC [auth Y] Focus chain KC [auth Y] Focus chain LB [auth I] Focus chain NB [auth L] Focus chain OC [auth d] Focus chain PB [auth L] Focus chain PC [auth d] Focus chain TB [auth L] Focus chain UA [auth A] Focus chain UB [auth M] Focus chain UC [auth m] Focus chain VB [auth M] Focus chain WA [auth A] Interactions & Density Focus chain GB [auth H] Focus chain IB [auth I] Focus chain JC [auth Y] Focus chain KC [auth Y] Focus chain LB [auth I] Focus chain NB [auth L] Focus chain OC [auth d] Focus chain PB [auth L] Focus chain PC [auth d] Focus chain TB [auth L] Focus chain UA [auth A] Focus chain UB [auth M] Focus chain UC [auth m] Focus chain VB [auth M] Focus chain WA [auth A]
NDP Query on NDP Download:Ideal Coordinates CCD File SDF format, chain DC [auth P] MOL2 format, chain DC [auth P] mmCIF format, chain DC [auth P]	DC [auth P]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C₂₁ H₃₀ N₇ O₁₇ P₃ ACFIXJIJDZMPPO-NNYOXOHSSA-N		Interactions Focus chain DC [auth P] Interactions & Density Focus chain DC [auth P]
EHZ Query on EHZ Download:Ideal Coordinates CCD File SDF format, chain GC [auth U] SDF format, chain FC [auth T] MOL2 format, chain GC [auth U] MOL2 format, chain FC [auth T] mmCIF format, chain GC [auth U] mmCIF format, chain FC [auth T]	FC [auth T], GC [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		Interactions Focus chain FC [auth T] Focus chain GC [auth U] Interactions & Density Focus chain FC [auth T] Focus chain GC [auth U]
LMT Query on LMT Download:Ideal Coordinates CCD File SDF format, chain YB [auth M] SDF format, chain XB [auth M] SDF format, chain WC [auth p] SDF format, chain SB [auth L] SDF format, chain RB [auth L] SDF format, chain QB [auth L] SDF format, chain NC [auth b] SDF format, chain LC [auth Y] MOL2 format, chain YB [auth M] MOL2 format, chain XB [auth M] MOL2 format, chain WC [auth p] MOL2 format, chain SB [auth L] MOL2 format, chain RB [auth L] MOL2 format, chain QB [auth L] MOL2 format, chain NC [auth b] MOL2 format, chain LC [auth Y] mmCIF format, chain YB [auth M] mmCIF format, chain XB [auth M] mmCIF format, chain WC [auth p] mmCIF format, chain SB [auth L] mmCIF format, chain RB [auth L] mmCIF format, chain QB [auth L] mmCIF format, chain NC [auth b] mmCIF format, chain LC [auth Y]	LC [auth Y] NC [auth b] QB [auth L] RB [auth L] SB [auth L] LC [auth Y], NC [auth b], QB [auth L], RB [auth L], SB [auth L], WC [auth p], XB [auth M], YB [auth M]	DODECYL-BETA-D-MALTOSIDE C₂₄ H₄₆ O₁₁ NLEBIOOXCVAHBD-QKMCSOCLSA-N		Interactions Focus chain LC [auth Y] Focus chain NC [auth b] Focus chain QB [auth L] Focus chain RB [auth L] Focus chain SB [auth L] Focus chain WC [auth p] Focus chain XB [auth M] Focus chain YB [auth M] Interactions & Density Focus chain LC [auth Y] Focus chain NC [auth b] Focus chain QB [auth L] Focus chain RB [auth L] Focus chain SB [auth L] Focus chain WC [auth p] Focus chain XB [auth M] Focus chain YB [auth M]
DGT Query on DGT Download:Ideal Coordinates CCD File SDF format, chain BC [auth O] MOL2 format, chain BC [auth O] mmCIF format, chain BC [auth O]	BC [auth O]	2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₃ P₃ HAAZLUGHYHWQIW-KVQBGUIXSA-N		Interactions Focus chain BC [auth O] Interactions & Density Focus chain BC [auth O]
FMN Query on FMN Download:Ideal Coordinates CCD File SDF format, chain AB [auth F] MOL2 format, chain AB [auth F] mmCIF format, chain AB [auth F]	AB [auth F]	FLAVIN MONONUCLEOTIDE C₁₇ H₂₁ N₄ O₉ P FVTCRASFADXXNN-SCRDCRAPSA-N		Interactions Focus chain AB [auth F] Interactions & Density Focus chain AB [auth F]
SF4 Query on SF4 Download:Ideal Coordinates CCD File SDF format, chain XA [auth B] SDF format, chain KB [auth I] SDF format, chain JB [auth I] SDF format, chain DB [auth G] SDF format, chain CB [auth G] SDF format, chain BB [auth F] MOL2 format, chain XA [auth B] MOL2 format, chain KB [auth I] MOL2 format, chain JB [auth I] MOL2 format, chain DB [auth G] MOL2 format, chain CB [auth G] MOL2 format, chain BB [auth F] mmCIF format, chain XA [auth B] mmCIF format, chain KB [auth I] mmCIF format, chain JB [auth I] mmCIF format, chain DB [auth G] mmCIF format, chain CB [auth G] mmCIF format, chain BB [auth F]	BB [auth F] CB [auth G] DB [auth G] JB [auth I] KB [auth I] BB [auth F], CB [auth G], DB [auth G], JB [auth I], KB [auth I], XA [auth B]	IRON/SULFUR CLUSTER Fe₄ S₄ LJBDFODJNLIPKO-UHFFFAOYSA-N		Interactions Focus chain BB [auth F] Focus chain CB [auth G] Focus chain DB [auth G] Focus chain JB [auth I] Focus chain KB [auth I] Focus chain XA [auth B] Interactions & Density Focus chain BB [auth F] Focus chain CB [auth G] Focus chain DB [auth G] Focus chain JB [auth I] Focus chain KB [auth I] Focus chain XA [auth B]
MYR Query on MYR Download:Ideal Coordinates CCD File SDF format, chain VC [auth o] MOL2 format, chain VC [auth o] mmCIF format, chain VC [auth o]	VC [auth o]	MYRISTIC ACID C₁₄ H₂₈ O₂ TUNFSRHWOTWDNC-UHFFFAOYSA-N		Interactions Focus chain VC [auth o] Interactions & Density Focus chain VC [auth o]
FES Query on FES Download:Ideal Coordinates CCD File SDF format, chain ZA [auth E] SDF format, chain EB [auth G] MOL2 format, chain ZA [auth E] MOL2 format, chain EB [auth G] mmCIF format, chain ZA [auth E] mmCIF format, chain EB [auth G]	EB [auth G], ZA [auth E]	FE2/S2 (INORGANIC) CLUSTER Fe₂ S₂ NIXDOXVAJZFRNF-UHFFFAOYSA-N		Interactions Focus chain EB [auth G] Focus chain ZA [auth E] Interactions & Density Focus chain EB [auth G] Focus chain ZA [auth E]
ZN Query on ZN Download:Ideal Coordinates CCD File SDF format, chain EC [auth R] MOL2 format, chain EC [auth R] mmCIF format, chain EC [auth R]	EC [auth R]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain EC [auth R] Interactions & Density Focus chain EC [auth R]
K Query on K Download:Ideal Coordinates CCD File SDF format, chain FB [auth G] MOL2 format, chain FB [auth G] mmCIF format, chain FB [auth G]	FB [auth G]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N		Interactions Focus chain FB [auth G] Interactions & Density Focus chain FB [auth G]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain AC [auth O] MOL2 format, chain AC [auth O] mmCIF format, chain AC [auth O]	AC [auth O]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain AC [auth O] Interactions & Density Focus chain AC [auth O]

Modified Residues 3 Unique
ID	Chains	Modified Residue	Modification Type	Formula	2D Diagram
FME Query on FME	A, H, J, K, L A, H, J, K, L, M, N	MET	Formylation	C₆ H₁₁ N O₃ S
WYK Query on WYK	B	ARG	Hydroxylation	C₆ H₁₄ N₄ O₃
2MR Query on 2MR	D	ARG	Methylation	C₈ H₁₈ N₄ O₂

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.24 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21_5207:

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-11-04

Deposition Author(s):

Fisher, W.

Grba, D.N.

Hirst, J.

Funding Organization	Location	Grant Number
Medical Research Council (MRC, United Kingdom)	United Kingdom	MC_UU_00015/2

Revision History (Full details and data files)

Version 1.0: 2026-11-04
Type: Initial release

9R14 | pdb_00009r14

Bovine complex I at pH 9.2 in the active state

Literature

Structural Basis of Proton-dependent Membrane Dynamics in Respiratory Complex I

Biological Assembly 1

Macromolecules

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