9I4I | pdb_00009i4i

High resolution Cryo-EM structure of human complex I in mitochondria

PDB DOI: https://doi.org/10.2210/pdb9I4I/pdb
EM Map EMD-52619: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Homo sapiens
Mutation(s): No

Deposited: 2025-01-24 Released: 2025-11-12
Deposition Author(s): Nguyen, M.D., Singh, V., Rorbach, J.
Funding Organization(s): Knut and Alice Wallenberg Foundation

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.63 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

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

Literature

Structural basis for late maturation steps of mitochondrial respiratory chain complex IV within the human respirasome

Nguyen, M.D., Singh, V., Rorbach, J.

To be published.

Macromolecule Content

Total Structure Weight: 1,068.01 kDa
Atom Count: 67,696
Modeled Residue Count: 8,244
Deposited Residue Count: 9,202
Unique protein chains: 44

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial	A [auth Q]	463	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
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Find proteins for O75306 (Homo sapiens) Explore O75306 Go to UniProtKB: O75306
PHAROS: O75306 GTEx: ENSG00000158864
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O75306
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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 1	B [auth S]	70	Homo sapiens	Mutation(s): 0
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Find proteins for O15239 (Homo sapiens) Explore O15239 Go to UniProtKB: O15239
PHAROS: O15239 GTEx: ENSG00000125356
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O15239
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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3	C [auth U]	84	Homo sapiens	Mutation(s): 0
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Find proteins for O95167 (Homo sapiens) Explore O95167 Go to UniProtKB: O95167
PHAROS: O95167 GTEx: ENSG00000170906
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O95167
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Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11	D [auth V]	141	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q86Y39 (Homo sapiens) Explore Q86Y39 Go to UniProtKB: Q86Y39
PHAROS: Q86Y39 GTEx: ENSG00000174886
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q86Y39
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Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13	E [auth W]	144	Homo sapiens	Mutation(s): 0
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Find proteins for Q9P0J0 (Homo sapiens) Explore Q9P0J0 Go to UniProtKB: Q9P0J0
PHAROS: Q9P0J0 GTEx: ENSG00000186010
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9P0J0
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Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Acyl carrier protein, mitochondrial	F [auth X], IA [auth H]	156	Homo sapiens	Mutation(s): 0
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Find proteins for O14561 (Homo sapiens) Explore O14561 Go to UniProtKB: O14561
PHAROS: O14561 GTEx: ENSG00000004779
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O14561
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Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, mitochondrial	G [auth Y]	105	Homo sapiens	Mutation(s): 0
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Find proteins for O95178 (Homo sapiens) Explore O95178 Go to UniProtKB: O95178
PHAROS: O95178 GTEx: ENSG00000090266
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O95178
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Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3	H [auth Z]	98	Homo sapiens	Mutation(s): 0
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Find proteins for O43676 (Homo sapiens) Explore O43676 Go to UniProtKB: O43676
PHAROS: O43676 GTEx: ENSG00000119013
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O43676
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Entity ID: 9
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5, mitochondrial	I [auth a]	189	Homo sapiens	Mutation(s): 0
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Find proteins for O43674 (Homo sapiens) Explore O43674 Go to UniProtKB: O43674
PHAROS: O43674 GTEx: ENSG00000136521
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O43674
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Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6	J [auth b]	128	Homo sapiens	Mutation(s): 0
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Find proteins for O95139 (Homo sapiens) Explore O95139 Go to UniProtKB: O95139
PHAROS: O95139 GTEx: ENSG00000165264
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O95139
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Entity ID: 11
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial	K [auth c]	186	Homo sapiens	Mutation(s): 0
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Find proteins for O95169 (Homo sapiens) Explore O95169 Go to UniProtKB: O95169
PHAROS: O95169 GTEx: ENSG00000166136
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O95169
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Entity ID: 12
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10	L [auth d]	172	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O96000 (Homo sapiens) Explore O96000 Go to UniProtKB: O96000
PHAROS: O96000 GTEx: ENSG00000140990
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O96000
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Entity ID: 13
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrial	M [auth e]	153	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q9NX14 (Homo sapiens) Explore Q9NX14 Go to UniProtKB: Q9NX14
PHAROS: Q9NX14 GTEx: ENSG00000147123
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UniProt Group	Q9NX14
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Entity ID: 14
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial	N [auth f]	76	Homo sapiens	Mutation(s): 0
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Find proteins for O43677 (Homo sapiens) Explore O43677 Go to UniProtKB: O43677
PHAROS: O43677 GTEx: ENSG00000109390
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UniProt Group	O43677
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Entity ID: 15
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 subunit C2	O [auth g]	119	Homo sapiens	Mutation(s): 0
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Find proteins for O95298 (Homo sapiens) Explore O95298 Go to UniProtKB: O95298
PHAROS: O95298 GTEx: ENSG00000151366
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UniProt Group	O95298
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Entity ID: 16
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 5	P [auth h]	106	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O43920 (Homo sapiens) Explore O43920 Go to UniProtKB: O43920
PHAROS: O43920 GTEx: ENSG00000168653
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UniProt Group	O43920
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Entity ID: 17
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 2	Q [auth i]	347	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P03891 (Homo sapiens) Explore P03891 Go to UniProtKB: P03891
PHAROS: P03891 GTEx: ENSG00000198763
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P03891
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Entity ID: 18
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 3	R [auth j]	115	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P03897 (Homo sapiens) Explore P03897 Go to UniProtKB: P03897
PHAROS: P03897 GTEx: ENSG00000198840
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P03897
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Entity ID: 19
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 4L	S [auth k]	98	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P03901 (Homo sapiens) Explore P03901 Go to UniProtKB: P03901
PHAROS: P03901 GTEx: ENSG00000212907
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P03901
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Entity ID: 20
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 5	T [auth l]	603	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P03915 (Homo sapiens) Explore P03915 Go to UniProtKB: P03915
PHAROS: P03915 GTEx: ENSG00000198786
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P03915
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Entity ID: 21
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 6	U [auth m]	174	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P03923 (Homo sapiens) Explore P03923 Go to UniProtKB: P03923
PHAROS: P03923 GTEx: ENSG00000198695
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P03923
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Entity ID: 22
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1	V [auth n]	58	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O75438 (Homo sapiens) Explore O75438 Go to UniProtKB: O75438
PHAROS: O75438 GTEx: ENSG00000183648
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O75438
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Entity ID: 23
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4	W [auth o]	129	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O95168 (Homo sapiens) Explore O95168 Go to UniProtKB: O95168
PHAROS: O95168 GTEx: ENSG00000065518
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UniProt Group	O95168
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Entity ID: 24
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9	X [auth p]	179	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y6M9 (Homo sapiens) Explore Q9Y6M9 Go to UniProtKB: Q9Y6M9
PHAROS: Q9Y6M9 GTEx: ENSG00000147684
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UniProt Group	Q9Y6M9
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Entity ID: 25
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 4	Y [auth r]	459	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P03905 (Homo sapiens) Explore P03905 Go to UniProtKB: P03905
PHAROS: P03905 GTEx: ENSG00000198886
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P03905
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Entity ID: 26
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 1	Z [auth s]	318	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P03886 (Homo sapiens) Explore P03886 Go to UniProtKB: P03886
PHAROS: P03886 GTEx: ENSG00000198888
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P03886
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Entity ID: 27
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8	AA [auth u]	172	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P51970 (Homo sapiens) Explore P51970 Go to UniProtKB: P51970
PHAROS: P51970 GTEx: ENSG00000119421
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P51970
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Entity ID: 28
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7	BA [auth v]	137	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P17568 (Homo sapiens) Explore P17568 Go to UniProtKB: P17568
PHAROS: P17568 GTEx: ENSG00000099795
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P17568
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Entity ID: 29
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial	CA [auth w]	355	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O95299 (Homo sapiens) Explore O95299 Go to UniProtKB: O95299
PHAROS: O95299 GTEx: ENSG00000130414
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UniProt Group	O95299
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Entity ID: 30
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial	DA [auth C]	464	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P49821 (Homo sapiens) Explore P49821 Go to UniProtKB: P49821
PHAROS: P49821 GTEx: ENSG00000167792
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P49821
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Entity ID: 31
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial	EA [auth D]	210	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for O00217 (Homo sapiens) Explore O00217 Go to UniProtKB: O00217
PHAROS: O00217 GTEx: ENSG00000110717
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O00217
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Entity ID: 32
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial	FA [auth E]	213	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for O75251 (Homo sapiens) Explore O75251 Go to UniProtKB: O75251
PHAROS: O75251 GTEx: ENSG00000115286
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O75251
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Entity ID: 33
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 6	GA [auth F]	128	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P56556 (Homo sapiens) Explore P56556 Go to UniProtKB: P56556
PHAROS: P56556 GTEx: ENSG00000184983
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P56556
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Entity ID: 34
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2	HA [auth G]	99	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O43678 (Homo sapiens) Explore O43678 Go to UniProtKB: O43678
PHAROS: O43678 GTEx: ENSG00000131495
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O43678
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Entity ID: 35
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5	JA [auth I]	116	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q16718 (Homo sapiens) Explore Q16718 Go to UniProtKB: Q16718
PHAROS: Q16718 GTEx: ENSG00000128609
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q16718
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Entity ID: 36
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 9, mitochondrial	KA [auth J]	377	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q16795 (Homo sapiens) Explore Q16795 Go to UniProtKB: Q16795
PHAROS: Q16795 GTEx: ENSG00000139180
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q16795
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Entity ID: 37
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial	LA [auth K]	108	Homo sapiens	Mutation(s): 0
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Find proteins for P56181 (Homo sapiens) Explore P56181 Go to UniProtKB: P56181
PHAROS: P56181 GTEx: ENSG00000160194
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UniProt Group	P56181
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Entity ID: 38
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial	MA [auth L]	175	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O43181 (Homo sapiens) Explore O43181 Go to UniProtKB: O43181
PHAROS: O43181 GTEx: ENSG00000164258
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O43181
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Entity ID: 39
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial	NA [auth M]	727	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P28331 (Homo sapiens) Explore P28331 Go to UniProtKB: P28331
PHAROS: P28331 GTEx: ENSG00000023228
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P28331
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Entity ID: 40
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12	OA [auth N]	145	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UI09 (Homo sapiens) Explore Q9UI09 Go to UniProtKB: Q9UI09
PHAROS: Q9UI09 GTEx: ENSG00000184752
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9UI09
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Entity ID: 41
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial	PA [auth O]	249	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for P19404 (Homo sapiens) Explore P19404 Go to UniProtKB: P19404
PHAROS: P19404 GTEx: ENSG00000178127
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UniProt Group	P19404
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Entity ID: 42
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrial	QA [auth P]	264	Homo sapiens	Mutation(s): 0 EC: 7.1.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for O75489 (Homo sapiens) Explore O75489 Go to UniProtKB: O75489
PHAROS: O75489 GTEx: ENSG00000213619
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O75489
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Entity ID: 43
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial	RA [auth T]	124	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O75380 (Homo sapiens) Explore O75380 Go to UniProtKB: O75380
PHAROS: O75380 GTEx: ENSG00000145494
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O75380
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 44
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7	SA [auth t]	113	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O95182 (Homo sapiens) Explore O95182 Go to UniProtKB: O95182
PHAROS: O95182 GTEx: ENSG00000267855
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O95182
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 11 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CDL Query on CDL Download:Ideal Coordinates CCD File SDF format, chain AB [auth i] SDF format, chain FB [auth l] SDF format, chain GB [auth l] SDF format, chain KB [auth u] SDF format, chain UA [auth V] SDF format, chain VA [auth V] MOL2 format, chain AB [auth i] MOL2 format, chain FB [auth l] MOL2 format, chain GB [auth l] MOL2 format, chain KB [auth u] MOL2 format, chain UA [auth V] MOL2 format, chain VA [auth V] mmCIF format, chain AB [auth i] mmCIF format, chain FB [auth l] mmCIF format, chain GB [auth l] mmCIF format, chain KB [auth u] mmCIF format, chain UA [auth V] mmCIF format, chain VA [auth V]	AB [auth i] FB [auth l] GB [auth l] KB [auth u] UA [auth V] AB [auth i], FB [auth l], GB [auth l], KB [auth u], UA [auth V], VA [auth V]	CARDIOLIPIN C₈₁ H₁₅₆ O₁₇ P₂ XVTUQDWPJJBEHJ-KZCWQMDCSA-L		Interactions Focus chain AB [auth i] Focus chain FB [auth l] Focus chain GB [auth l] Focus chain KB [auth u] Focus chain UA [auth V] Focus chain VA [auth V] Interactions & Density Focus chain AB [auth i] Focus chain FB [auth l] Focus chain GB [auth l] Focus chain KB [auth u] Focus chain UA [auth V] Focus chain VA [auth V]
PLX Query on PLX Download:Ideal Coordinates CCD File SDF format, chain DB [auth j] SDF format, chain HB [auth o] SDF format, chain IB [auth r] SDF format, chain JB [auth s] SDF format, chain YA [auth g] SDF format, chain ZA [auth g] SDF format, chain ZB [auth N] MOL2 format, chain DB [auth j] MOL2 format, chain HB [auth o] MOL2 format, chain IB [auth r] MOL2 format, chain JB [auth s] MOL2 format, chain YA [auth g] MOL2 format, chain ZA [auth g] MOL2 format, chain ZB [auth N] mmCIF format, chain DB [auth j] mmCIF format, chain HB [auth o] mmCIF format, chain IB [auth r] mmCIF format, chain JB [auth s] mmCIF format, chain YA [auth g] mmCIF format, chain ZA [auth g] mmCIF format, chain ZB [auth N]	DB [auth j] HB [auth o] IB [auth r] JB [auth s] YA [auth g] DB [auth j], HB [auth o], IB [auth r], JB [auth s], YA [auth g], ZA [auth g], ZB [auth N]	(9R,11S)-9-({[(1S)-1-HYDROXYHEXADECYL]OXY}METHYL)-2,2-DIMETHYL-5,7,10-TRIOXA-2LAMBDA~5~-AZA-6LAMBDA~5~-PHOSPHAOCTACOSANE-6,6,11-TRIOL C₄₂ H₈₉ N O₈ P YVNJQRQLQPWVSQ-IWSHAHEXSA-O		Interactions Focus chain DB [auth j] Focus chain HB [auth o] Focus chain IB [auth r] Focus chain JB [auth s] Focus chain YA [auth g] Focus chain ZA [auth g] Focus chain ZB [auth N] Interactions & Density Focus chain DB [auth j] Focus chain HB [auth o] Focus chain IB [auth r] Focus chain JB [auth s] Focus chain YA [auth g] Focus chain ZA [auth g] Focus chain ZB [auth N]
NDP (Subject of Investigation/LOI) Query on NDP Download:Ideal Coordinates CCD File SDF format, chain UB [auth J] MOL2 format, chain UB [auth J] mmCIF format, chain UB [auth J]	UB [auth J]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C₂₁ H₃₀ N₇ O₁₇ P₃ ACFIXJIJDZMPPO-NNYOXOHSSA-N		Interactions Focus chain UB [auth J] Interactions & Density Focus chain UB [auth J]
PEE Query on PEE Download:Ideal Coordinates CCD File SDF format, chain BB [auth i] SDF format, chain CB [auth i] SDF format, chain EB [auth l] SDF format, chain RB [auth E] SDF format, chain TA [auth V] SDF format, chain VB [auth J] SDF format, chain WA [auth W] MOL2 format, chain BB [auth i] MOL2 format, chain CB [auth i] MOL2 format, chain EB [auth l] MOL2 format, chain RB [auth E] MOL2 format, chain TA [auth V] MOL2 format, chain VB [auth J] MOL2 format, chain WA [auth W] mmCIF format, chain BB [auth i] mmCIF format, chain CB [auth i] mmCIF format, chain EB [auth l] mmCIF format, chain RB [auth E] mmCIF format, chain TA [auth V] mmCIF format, chain VB [auth J] mmCIF format, chain WA [auth W]	BB [auth i] CB [auth i] EB [auth l] RB [auth E] TA [auth V] BB [auth i], CB [auth i], EB [auth l], RB [auth E], TA [auth V], VB [auth J], WA [auth W]	1,2-dioleoyl-sn-glycero-3-phosphoethanolamine C₄₁ H₇₈ N O₈ P MWRBNPKJOOWZPW-NYVOMTAGSA-N		Interactions Focus chain BB [auth i] Focus chain CB [auth i] Focus chain EB [auth l] Focus chain RB [auth E] Focus chain TA [auth V] Focus chain VB [auth J] Focus chain WA [auth W] Interactions & Density Focus chain BB [auth i] Focus chain CB [auth i] Focus chain EB [auth l] Focus chain RB [auth E] Focus chain TA [auth V] Focus chain VB [auth J] Focus chain WA [auth W]
8Q1 (Subject of Investigation/LOI) Query on 8Q1 Download:Ideal Coordinates CCD File SDF format, chain TB [auth F] SDF format, chain XA [auth X] MOL2 format, chain TB [auth F] MOL2 format, chain XA [auth X] mmCIF format, chain TB [auth F] mmCIF format, chain XA [auth X]	TB [auth F], XA [auth X]	S-[2-({N-[(2R)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] dodecanethioate C₂₃ H₄₅ N₂ O₈ P S MVHUOSAYFQKAMT-NRFANRHFSA-N		Interactions Focus chain TB [auth F] Focus chain XA [auth X] Interactions & Density Focus chain TB [auth F] Focus chain XA [auth X]
DGT (Subject of Investigation/LOI) Query on DGT Download:Ideal Coordinates CCD File SDF format, chain LB [auth w] MOL2 format, chain LB [auth w] mmCIF format, chain LB [auth w]	LB [auth w]	2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₃ P₃ HAAZLUGHYHWQIW-KVQBGUIXSA-N		Interactions Focus chain LB [auth w] Interactions & Density Focus chain LB [auth w]
FMN (Subject of Investigation/LOI) Query on FMN Download:Ideal Coordinates CCD File SDF format, chain OB [auth C] MOL2 format, chain OB [auth C] mmCIF format, chain OB [auth C]	OB [auth C]	FLAVIN MONONUCLEOTIDE C₁₇ H₂₁ N₄ O₉ P FVTCRASFADXXNN-SCRDCRAPSA-N		Interactions Focus chain OB [auth C] Interactions & Density Focus chain OB [auth C]
SF4 Query on SF4 Download:Ideal Coordinates CCD File SDF format, chain NB [auth C] SDF format, chain PB [auth D] SDF format, chain QB [auth D] SDF format, chain SB [auth E] SDF format, chain WB [auth M] SDF format, chain XB [auth M] MOL2 format, chain NB [auth C] MOL2 format, chain PB [auth D] MOL2 format, chain QB [auth D] MOL2 format, chain SB [auth E] MOL2 format, chain WB [auth M] MOL2 format, chain XB [auth M] mmCIF format, chain NB [auth C] mmCIF format, chain PB [auth D] mmCIF format, chain QB [auth D] mmCIF format, chain SB [auth E] mmCIF format, chain WB [auth M] mmCIF format, chain XB [auth M]	NB [auth C] PB [auth D] QB [auth D] SB [auth E] WB [auth M] NB [auth C], PB [auth D], QB [auth D], SB [auth E], WB [auth M], XB [auth M]	IRON/SULFUR CLUSTER Fe₄ S₄ LJBDFODJNLIPKO-UHFFFAOYSA-N		Interactions Focus chain NB [auth C] Focus chain PB [auth D] Focus chain QB [auth D] Focus chain SB [auth E] Focus chain WB [auth M] Focus chain XB [auth M] Interactions & Density Focus chain NB [auth C] Focus chain PB [auth D] Focus chain QB [auth D] Focus chain SB [auth E] Focus chain WB [auth M] Focus chain XB [auth M]
FES (Subject of Investigation/LOI) Query on FES Download:Ideal Coordinates CCD File SDF format, chain AC [auth O] SDF format, chain YB [auth M] MOL2 format, chain AC [auth O] MOL2 format, chain YB [auth M] mmCIF format, chain AC [auth O] mmCIF format, chain YB [auth M]	AC [auth O], YB [auth M]	FE2/S2 (INORGANIC) CLUSTER Fe₂ S₂ NIXDOXVAJZFRNF-UHFFFAOYSA-N		Interactions Focus chain AC [auth O] Focus chain YB [auth M] Interactions & Density Focus chain AC [auth O] Focus chain YB [auth M]
ZN Query on ZN Download:Ideal Coordinates CCD File SDF format, chain BC [auth T] MOL2 format, chain BC [auth T] mmCIF format, chain BC [auth T]	BC [auth T]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain BC [auth T] Interactions & Density Focus chain BC [auth T]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain MB [auth w] MOL2 format, chain MB [auth w] mmCIF format, chain MB [auth w]	MB [auth w]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain MB [auth w] Interactions & Density Focus chain MB [auth w]

Modified Residues 2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
NMM Query on NMM	A [auth Q]	L-PEPTIDE LINKING	C₇ H₁₆ N₄ O₂		ARG
SEP Query on SEP	FA [auth E]	L-PEPTIDE LINKING	C₃ H₈ N O₆ P		SER

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.63 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21rc1_5156

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-11-12

Deposition Author(s):

Nguyen, M.D.

Singh, V.

Rorbach, J.

Funding Organization	Location	Grant Number
Knut and Alice Wallenberg Foundation	Sweden	--

Revision History (Full details and data files)

Version 1.0: 2025-11-12
Type: Initial release

RCSB PDB is hosted by

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Nucleic Acid Knowledgebase

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

9I4I | pdb_00009i4i

High resolution Cryo-EM structure of human complex I in mitochondria

Literature

Structural basis for late maturation steps of mitochondrial respiratory chain complex IV within the human respirasome

Biological Assembly 1

Macromolecules

Entity ID: 1

UniProt & NIH Common Fund Data Resources

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UniProt & NIH Common Fund Data Resources

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Entity ID: 19

UniProt & NIH Common Fund Data Resources