9R01 | pdb_00009r01

Complex I from Ovis aries in presence of D1 inhibitor, Closed state

PDB DOI: https://doi.org/10.2210/pdb9R01/pdb
EM Map EMD-53476: EMDB EMDataResource

Classification: PROTON TRANSPORT
Organism(s): Ovis aries
Mutation(s): Yes

Deposited: 2025-04-24 Released: 2026-05-06
Deposition Author(s): Sazanov, L., Petrova, O.
Funding Organization(s): National Institutes of Health/National Institute on Aging (NIH/NIA)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.25 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Complex I from Ovis aries in presence of D1 inhibitor

Sazanov, L., Petrova, O.

To be published.

Macromolecule Content

Total Structure Weight: 1,053.33 kDa
Atom Count: 67,257
Modeled Residue Count: 8,229
Deposited Residue Count: 9,105
Unique protein chains: 44

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 3	A	115	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for O78753 (Ovis aries) Explore O78753 Go to UniProtKB: O78753
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O78753
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Reference Sequence

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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 1	B [auth H]	318	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for O78747 (Ovis aries) Explore O78747 Go to UniProtKB: O78747
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O78747
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Reference Sequence

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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 6	C [auth J]	175	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for O78757 (Ovis aries) Explore O78757 Go to UniProtKB: O78757
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O78757
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Reference Sequence

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Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 4L	D [auth K]	98	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for O78754 (Ovis aries) Explore O78754 Go to UniProtKB: O78754
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O78754
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Reference Sequence

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Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 5	E [auth L]	606	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for O78756 (Ovis aries) Explore O78756 Go to UniProtKB: O78756
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O78756
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Reference Sequence

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Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 4	F [auth M]	459	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for O78755 (Ovis aries) Explore O78755 Go to UniProtKB: O78755
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UniProt Group	O78755
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Reference Sequence

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Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase chain 2	G [auth N]	347	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for O78748 (Ovis aries) Explore O78748 Go to UniProtKB: O78748
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UniProt Group	O78748
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Reference Sequence

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Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11	H [auth V]	141	Ovis aries	Mutation(s): 1

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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 W]	189	Ovis aries	Mutation(s): 0

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Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
Acyl carrier protein	J [auth X], SA [auth j]	87	Ovis aries	Mutation(s): 0

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Entity ID: 11
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8	K [auth Y]	171	Ovis aries	Mutation(s): 0

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Entity ID: 12
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10	L [auth Z]	175	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A7M4DUF5 (Ovis aries) Explore A0A7M4DUF5 Go to UniProtKB: A0A7M4DUF5
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UniProt Group	A0A7M4DUF5
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Entity ID: 13
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial	M [auth k]	355	Ovis aries	Mutation(s): 0

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Entity ID: 14
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 5	N [auth l]	106	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A836D7R1 (Ovis aries) Explore A0A836D7R1 Go to UniProtKB: A0A836D7R1
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UniProt Group	A0A836D7R1
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Reference Sequence

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Entity ID: 15
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3	O [auth m]	84	Ovis aries	Mutation(s): 0

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Entity ID: 16
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3	P [auth n]	98	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A6P7DQB1 (Ovis aries) Explore A0A6P7DQB1 Go to UniProtKB: A0A6P7DQB1
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UniProt Group	A0A6P7DQB1
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Entity ID: 17
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 subunit C2	Q [auth o]	122	Ovis aries	Mutation(s): 0

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Entity ID: 18
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH:ubiquinone oxidoreductase subunit B4	R [auth p]	130	Ovis aries	Mutation(s): 0

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Entity ID: 19
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13	S [auth q]	144	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A6P3E975 (Ovis aries) Explore A0A6P3E975 Go to UniProtKB: A0A6P3E975
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UniProt Group	A0A6P3E975
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Entity ID: 20
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial complex I, B17 subunit	T [auth r]	128	Ovis aries	Mutation(s): 0

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Entity ID: 21
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7	U [auth s]	137	Ovis aries	Mutation(s): 0

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Entity ID: 22
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9	V [auth t]	179	Ovis aries	Mutation(s): 0

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Entity ID: 23
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, mitochondrial	W [auth u]	108	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A8N7XJB4 (Ovis aries) Explore A0A8N7XJB4 Go to UniProtKB: A0A8N7XJB4
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UniProt Group	A0A8N7XJB4
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Entity ID: 24
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial	X [auth v]	186	Ovis aries	Mutation(s): 0

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Entity ID: 25
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrial	Y [auth w]	154	Ovis aries	Mutation(s): 0

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Entity ID: 26
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial	Z [auth x]	76	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A6P3EDV0 (Ovis aries) Explore A0A6P3EDV0 Go to UniProtKB: A0A6P3EDV0
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UniProt Group	A0A6P3EDV0
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Entity ID: 27
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1	AA [auth y]	58	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A7M4DUG1 (Ovis aries) Explore A0A7M4DUG1 Go to UniProtKB: A0A7M4DUG1
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UniProt Group	A0A7M4DUG1
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Entity ID: 28
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 1	BA [auth z]	70	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A6P9FRJ5 (Ovis aries) Explore A0A6P9FRJ5 Go to UniProtKB: A0A6P9FRJ5
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UniProt Group	A0A6P9FRJ5
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Entity ID: 29
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial	CA [auth 1]	464	Ovis aries	Mutation(s): 0 EC: 7.1.1.2

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Entity ID: 30
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial complex I, 24 kDa subunit	DA [auth 2]	246	Ovis aries	Mutation(s): 0

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Entity ID: 31
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial	EA [auth 3]	727	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for A0A8V6WEB9 (Ovis aries) Explore A0A8V6WEB9 Go to UniProtKB: A0A8V6WEB9
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UniProt Group	A0A8V6WEB9
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Entity ID: 32
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial	FA [auth 4]	463	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for A0A6P3DZ89 (Ovis aries) Explore A0A6P3DZ89 Go to UniProtKB: A0A6P3DZ89
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UniProt Group	A0A6P3DZ89
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Entity ID: 33
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH:ubiquinone oxidoreductase core subunit S3	GA [auth 5]	266	Ovis aries	Mutation(s): 0

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Entity ID: 34
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial	HA [auth 6]	223	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A6P7E5N1 (Ovis aries) Explore A0A6P7E5N1 Go to UniProtKB: A0A6P7E5N1
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UniProt Group	A0A6P7E5N1
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Entity ID: 35
Molecule	Chains	Sequence Length	Organism	Details	Image
Complex I-23kD	IA [auth 9]	217	Ovis aries	Mutation(s): 0 EC: 7.1.1.2
UniProt
Find proteins for A0A6P3TFB2 (Ovis aries) Explore A0A6P3TFB2 Go to UniProtKB: A0A6P3TFB2
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UniProt Group	A0A6P3TFB2
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Entity ID: 36
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial	JA [auth a]	109	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A6P3E7B5 (Ovis aries) Explore A0A6P3E7B5 Go to UniProtKB: A0A6P3E7B5
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UniProt Group	A0A6P3E7B5
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Entity ID: 37
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial	KA [auth b]	124	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A6P7EX23 (Ovis aries) Explore A0A6P7EX23 Go to UniProtKB: A0A6P7EX23
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UniProt Group	A0A6P7EX23
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Entity ID: 38
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial	LA [auth c]	170	Ovis aries	Mutation(s): 0

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Entity ID: 39
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 9, mitochondrial	MA [auth d]	380	Ovis aries	Mutation(s): 0

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Entity ID: 40
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2	NA [auth e]	99	Ovis aries	Mutation(s): 0

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Entity ID: 41
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5	OA [auth f]	116	Ovis aries	Mutation(s): 0

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Entity ID: 42
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH:ubiquinone oxidoreductase subunit A6	PA [auth g]	140	Ovis aries	Mutation(s): 0

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Entity ID: 43
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7	QA [auth h]	113	Ovis aries	Mutation(s): 1
UniProt
Find proteins for A0A6P3E9B7 (Ovis aries) Explore A0A6P3E9B7 Go to UniProtKB: A0A6P3E9B7
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UniProt Group	A0A6P3E9B7
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Entity ID: 44
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12	RA [auth i]	145	Ovis aries	Mutation(s): 0
UniProt
Find proteins for A0A8N7XJ18 (Ovis aries) Explore A0A8N7XJ18 Go to UniProtKB: A0A8N7XJ18
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UniProt Group	A0A8N7XJ18
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Reference Sequence

Small Molecules

Ligands 14 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PC1 Query on PC1 Download:Ideal Coordinates CCD File SDF format, chain AB [auth M] SDF format, chain BB [auth M] SDF format, chain VB [auth 6] SDF format, chain XB [auth 9] SDF format, chain YA [auth L] MOL2 format, chain AB [auth M] MOL2 format, chain BB [auth M] MOL2 format, chain VB [auth 6] MOL2 format, chain XB [auth 9] MOL2 format, chain YA [auth L] mmCIF format, chain AB [auth M] mmCIF format, chain BB [auth M] mmCIF format, chain VB [auth 6] mmCIF format, chain XB [auth 9] mmCIF format, chain YA [auth L]	AB [auth M], BB [auth M], VB [auth 6], XB [auth 9], YA [auth L]	1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE C₄₄ H₈₈ N O₈ P NRJAVPSFFCBXDT-HUESYALOSA-N		Interactions Focus chain AB [auth M] Focus chain BB [auth M] Focus chain VB [auth 6] Focus chain XB [auth 9] Focus chain YA [auth L] Interactions & Density Focus chain AB [auth M] Focus chain BB [auth M] Focus chain VB [auth 6] Focus chain XB [auth 9] Focus chain YA [auth L]
3PE Query on 3PE Download:Ideal Coordinates CCD File SDF format, chain CB [auth N] SDF format, chain CC [auth i] SDF format, chain DB [auth V] SDF format, chain EB [auth V] SDF format, chain HB [auth o] SDF format, chain SB [auth 4] SDF format, chain TA [auth A] SDF format, chain UA [auth H] SDF format, chain VA [auth J] SDF format, chain WA [auth L] SDF format, chain WB [auth 6] SDF format, chain XA [auth L] SDF format, chain ZA [auth M] MOL2 format, chain CB [auth N] MOL2 format, chain CC [auth i] MOL2 format, chain DB [auth V] MOL2 format, chain EB [auth V] MOL2 format, chain HB [auth o] MOL2 format, chain SB [auth 4] MOL2 format, chain TA [auth A] MOL2 format, chain UA [auth H] MOL2 format, chain VA [auth J] MOL2 format, chain WA [auth L] MOL2 format, chain WB [auth 6] MOL2 format, chain XA [auth L] MOL2 format, chain ZA [auth M] mmCIF format, chain CB [auth N] mmCIF format, chain CC [auth i] mmCIF format, chain DB [auth V] mmCIF format, chain EB [auth V] mmCIF format, chain HB [auth o] mmCIF format, chain SB [auth 4] mmCIF format, chain TA [auth A] mmCIF format, chain UA [auth H] mmCIF format, chain VA [auth J] mmCIF format, chain WA [auth L] mmCIF format, chain WB [auth 6] mmCIF format, chain XA [auth L] mmCIF format, chain ZA [auth M]	CB [auth N] CC [auth i] DB [auth V] EB [auth V] HB [auth o] CB [auth N], CC [auth i], DB [auth V], EB [auth V], HB [auth o], SB [auth 4], TA [auth A], UA [auth H], VA [auth J], WA [auth L], WB [auth 6], XA [auth L], ZA [auth M]	1,2-Distearoyl-sn-glycerophosphoethanolamine C₄₁ H₈₂ N O₈ P LVNGJLRDBYCPGB-LDLOPFEMSA-N		Interactions Focus chain CB [auth N] Focus chain CC [auth i] Focus chain DB [auth V] Focus chain EB [auth V] Focus chain HB [auth o] Focus chain SB [auth 4] Focus chain TA [auth A] Focus chain UA [auth H] Focus chain VA [auth J] Focus chain WA [auth L] Focus chain WB [auth 6] Focus chain XA [auth L] Focus chain ZA [auth M] Interactions & Density Focus chain CB [auth N] Focus chain CC [auth i] Focus chain DB [auth V] Focus chain EB [auth V] Focus chain HB [auth o] Focus chain SB [auth 4] Focus chain TA [auth A] Focus chain UA [auth H] Focus chain VA [auth J] Focus chain WA [auth L] Focus chain WB [auth 6] Focus chain XA [auth L] Focus chain ZA [auth M]
NDP Query on NDP Download:Ideal Coordinates CCD File SDF format, chain BC [auth d] MOL2 format, chain BC [auth d] mmCIF format, chain BC [auth d]	BC [auth d]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C₂₁ H₃₀ N₇ O₁₇ P₃ ACFIXJIJDZMPPO-NNYOXOHSSA-N		Interactions Focus chain BC [auth d] Interactions & Density Focus chain BC [auth d]
NAI Query on NAI Download:Ideal Coordinates CCD File SDF format, chain MB [auth 1] MOL2 format, chain MB [auth 1] mmCIF format, chain MB [auth 1]	MB [auth 1]	1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE C₂₁ H₂₉ N₇ O₁₄ P₂ BOPGDPNILDQYTO-NNYOXOHSSA-N		Interactions Focus chain MB [auth 1] Interactions & Density Focus chain MB [auth 1]
ZMP Query on ZMP Download:Ideal Coordinates CCD File SDF format, chain DC [auth j] SDF format, chain JB [auth t] MOL2 format, chain DC [auth j] MOL2 format, chain JB [auth t] mmCIF format, chain DC [auth j] mmCIF format, chain JB [auth t]	DC [auth j], JB [auth t]	S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate C₂₅ H₄₉ N₂ O₈ P S HDTINWYIVVMRIN-HSZRJFAPSA-N		Interactions Focus chain DC [auth j] Focus chain JB [auth t] Interactions & Density Focus chain DC [auth j] Focus chain JB [auth t]
DGT Query on DGT Download:Ideal Coordinates CCD File SDF format, chain FB [auth k] MOL2 format, chain FB [auth k] mmCIF format, chain FB [auth k]	FB [auth k]	2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₃ P₃ HAAZLUGHYHWQIW-KVQBGUIXSA-N		Interactions Focus chain FB [auth k] Interactions & Density Focus chain FB [auth k]
FMN Query on FMN Download:Ideal Coordinates CCD File SDF format, chain LB [auth 1] MOL2 format, chain LB [auth 1] mmCIF format, chain LB [auth 1]	LB [auth 1]	FLAVIN MONONUCLEOTIDE C₁₇ H₂₁ N₄ O₉ P FVTCRASFADXXNN-SCRDCRAPSA-N		Interactions Focus chain LB [auth 1] Interactions & Density Focus chain LB [auth 1]
A1JBT (Subject of Investigation/LOI) Query on A1JBT Download:Ideal Coordinates CCD File SDF format, chain TB [auth 4] MOL2 format, chain TB [auth 4] mmCIF format, chain TB [auth 4]	TB [auth 4]	(7~{S})-7-[(2~{S})-1-(6-azanylpurin-3-yl)propan-2-yl]-3-methyl-6,7,8,9-tetrahydro-5~{a}~{H}-pyrano[4,3-b]chromen-1-one C₂₁ H₂₃ N₅ O₃ GACPZBUVEBGCNP-QIAUWCJISA-N		Interactions Focus chain TB [auth 4] Interactions & Density Focus chain TB [auth 4]
SF4 Query on SF4 Download:Ideal Coordinates CCD File SDF format, chain KB [auth 1] SDF format, chain OB [auth 3] SDF format, chain PB [auth 3] SDF format, chain UB [auth 6] SDF format, chain YB [auth 9] SDF format, chain ZB [auth 9] MOL2 format, chain KB [auth 1] MOL2 format, chain OB [auth 3] MOL2 format, chain PB [auth 3] MOL2 format, chain UB [auth 6] MOL2 format, chain YB [auth 9] MOL2 format, chain ZB [auth 9] mmCIF format, chain KB [auth 1] mmCIF format, chain OB [auth 3] mmCIF format, chain PB [auth 3] mmCIF format, chain UB [auth 6] mmCIF format, chain YB [auth 9] mmCIF format, chain ZB [auth 9]	KB [auth 1] OB [auth 3] PB [auth 3] UB [auth 6] YB [auth 9] KB [auth 1], OB [auth 3], PB [auth 3], UB [auth 6], YB [auth 9], ZB [auth 9]	IRON/SULFUR CLUSTER Fe₄ S₄ LJBDFODJNLIPKO-UHFFFAOYSA-N		Interactions Focus chain KB [auth 1] Focus chain OB [auth 3] Focus chain PB [auth 3] Focus chain UB [auth 6] Focus chain YB [auth 9] Focus chain ZB [auth 9] Interactions & Density Focus chain KB [auth 1] Focus chain OB [auth 3] Focus chain PB [auth 3] Focus chain UB [auth 6] Focus chain YB [auth 9] Focus chain ZB [auth 9]
MYR Query on MYR Download:Ideal Coordinates CCD File SDF format, chain IB [auth s] MOL2 format, chain IB [auth s] mmCIF format, chain IB [auth s]	IB [auth s]	MYRISTIC ACID C₁₄ H₂₈ O₂ TUNFSRHWOTWDNC-UHFFFAOYSA-N		Interactions Focus chain IB [auth s] Interactions & Density Focus chain IB [auth s]
FES Query on FES Download:Ideal Coordinates CCD File SDF format, chain NB [auth 2] SDF format, chain QB [auth 3] MOL2 format, chain NB [auth 2] MOL2 format, chain QB [auth 3] mmCIF format, chain NB [auth 2] mmCIF format, chain QB [auth 3]	NB [auth 2], QB [auth 3]	FE2/S2 (INORGANIC) CLUSTER Fe₂ S₂ NIXDOXVAJZFRNF-UHFFFAOYSA-N		Interactions Focus chain NB [auth 2] Focus chain QB [auth 3] Interactions & Density Focus chain NB [auth 2] Focus chain QB [auth 3]
ZN Query on ZN Download:Ideal Coordinates CCD File SDF format, chain AC [auth b] MOL2 format, chain AC [auth b] mmCIF format, chain AC [auth b]	AC [auth b]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain AC [auth b] Interactions & Density Focus chain AC [auth b]
K Query on K Download:Ideal Coordinates CCD File SDF format, chain RB [auth 3] MOL2 format, chain RB [auth 3] mmCIF format, chain RB [auth 3]	RB [auth 3]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N		Interactions Focus chain RB [auth 3] Interactions & Density Focus chain RB [auth 3]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain GB [auth k] MOL2 format, chain GB [auth k] mmCIF format, chain GB [auth k]	GB [auth k]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain GB [auth k] Interactions & Density Focus chain GB [auth k]

Modified Residues 3 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
FME Query on FME	D [auth K]	L-PEPTIDE LINKING	C₆ H₁₁ N O₃ S		MET
SEP Query on SEP	M [auth k]	L-PEPTIDE LINKING	C₃ H₈ N O₆ P		SER
2MR Query on 2MR	FA [auth 4]	L-PEPTIDE LINKING	C₈ H₁₈ N₄ O₂		ARG

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.25 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.19_4092:

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-05-06

Deposition Author(s):

Sazanov, L.

Petrova, O.

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	5549-06, RO1 AG 062135, UG3/UH3NS 113776-2

Revision History (Full details and data files)

Version 1.0: 2026-05-06
Type: Initial release

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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.

9R01 | pdb_00009r01

Complex I from Ovis aries in presence of D1 inhibitor, Closed state

Literature

Complex I from Ovis aries in presence of D1 inhibitor

Biological Assembly 1

Macromolecules

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