9G9Z | pdb_00009g9z

Respiratory supercomplex CI1-CIII2-CIV1 (respirasome) from alphaproteobacterium

PDB DOI: https://doi.org/10.2210/pdb9G9Z/pdb
EM Map EMD-51162: EMDB EMDataResource

Classification: ELECTRON TRANSPORT
Organism(s): Paracoccus denitrificans PD1222
Mutation(s): No

Deposited: 2024-07-25 Released: 2026-02-04
Deposition Author(s): Yaikhomba, M., Hirst, J., Croll, T.I., Spikes, T.E., Agip, A.N.A.
Funding Organization(s): Medical Research Council (MRC, United Kingdom)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 4.03 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

Minimal supercomplexes in alphaproteobacteria reveal conserved structural mechanisms for efficient respiration

Yaikhomba, M., Hirst, J., Croll, T.I., Spikes, T.E.

To be published.

Macromolecule Content

Total Structure Weight: 1,074.58 kDa
Atom Count: 68,831
Modeled Residue Count: 8,397
Deposited Residue Count: 9,337
Unique protein chains: 27

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit A	A	121	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B498 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B498 Go to UniProtKB: A1B498
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UniProt Group	A1B498
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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit B	B	175	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B497 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B497 Go to UniProtKB: A1B497
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UniProt Group	A1B497
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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit C	C	208	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B496 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B496 Go to UniProtKB: A1B496
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A1B496
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Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit D	D	412	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B495 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B495 Go to UniProtKB: A1B495
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UniProt Group	A1B495
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Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase subunit E	E	239	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 1.6.5.3
UniProt
Find proteins for A1B494 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B494 Go to UniProtKB: A1B494
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UniProt Group	A1B494
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Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit F	F	431	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B491 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B491 Go to UniProtKB: A1B491
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A1B491
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Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase	G	674	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B489 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B489 Go to UniProtKB: A1B489
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A1B489
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Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit H	H	345	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B487 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B487 Go to UniProtKB: A1B487
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UniProt Group	A1B487
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Entity ID: 9
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit I	I	163	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B486 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B486 Go to UniProtKB: A1B486
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UniProt Group	A1B486
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Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit J	J	199	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B483 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B483 Go to UniProtKB: A1B483
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UniProt Group	A1B483
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Entity ID: 11
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit K	K	101	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B482 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B482 Go to UniProtKB: A1B482
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UniProt Group	A1B482
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Entity ID: 12
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase subunit L	L	703	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 1.6.5.3
UniProt
Find proteins for A1B481 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B481 Go to UniProtKB: A1B481
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UniProt Group	A1B481
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Entity ID: 13
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH dehydrogenase subunit M	M	513	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 1.6.5.3
UniProt
Find proteins for A1B480 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B480 Go to UniProtKB: A1B480
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UniProt Group	A1B480
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Entity ID: 14
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH-quinone oxidoreductase subunit N	N	499	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1
UniProt
Find proteins for A1B479 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B479 Go to UniProtKB: A1B479
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UniProt Group	A1B479
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Entity ID: 15
Molecule	Chains	Sequence Length	Organism	Details	Image
NAD-dependent epimerase/dehydratase	O [auth P]	330	Paracoccus denitrificans PD1222	Mutation(s): 0
UniProt
Find proteins for A1AZB0 (Paracoccus denitrificans (strain Pd 1222)) Explore A1AZB0 Go to UniProtKB: A1AZB0
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UniProt Group	A1AZB0
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Entity ID: 16
Molecule	Chains	Sequence Length	Organism	Details	Image
ETC complex I subunit conserved region	P [auth Q]	103	Paracoccus denitrificans PD1222	Mutation(s): 0
UniProt
Find proteins for A1B1M0 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B1M0 Go to UniProtKB: A1B1M0
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UniProt Group	A1B1M0
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Entity ID: 17
Molecule	Chains	Sequence Length	Organism	Details	Image
Zinc finger CHCC-type domain-containing protein	Q [auth R]	62	Paracoccus denitrificans PD1222	Mutation(s): 0
UniProt
Find proteins for A1B357 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B357 Go to UniProtKB: A1B357
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UniProt Group	A1B357
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Entity ID: 18
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein-L-isoaspartate O-methyltransferase	R [auth Z]	217	Paracoccus denitrificans PD1222	Mutation(s): 0
UniProt
Find proteins for A1B5L6 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B5L6 Go to UniProtKB: A1B5L6
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UniProt Group	A1B5L6
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Entity ID: 19
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b	S [auth a], V [auth d]	440	Paracoccus denitrificans PD1222	Mutation(s): 0
UniProt
Find proteins for A1B4F3 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B4F3 Go to UniProtKB: A1B4F3
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UniProt Group	A1B4F3
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Entity ID: 20
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome c1	T [auth b], W [auth e]	450	Paracoccus denitrificans PD1222	Mutation(s): 0
UniProt
Find proteins for A1B4F4 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B4F4 Go to UniProtKB: A1B4F4
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UniProt Group	A1B4F4
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Entity ID: 21
Molecule	Chains	Sequence Length	Organism	Details	Image
Ubiquinol-cytochrome c reductase iron-sulfur subunit	U [auth c], X [auth f]	195	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1.8
UniProt
Find proteins for A1B4F2 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B4F2 Go to UniProtKB: A1B4F2
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UniProt Group	A1B4F2
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Entity ID: 22
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome c oxidase subunit 1	Y [auth g]	558	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1.9
UniProt
Find proteins for A1B3D7 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B3D7 Go to UniProtKB: A1B3D7
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UniProt Group	A1B3D7
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Entity ID: 23
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome c oxidase subunit 2	Z [auth h]	298	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1.9
UniProt
Find proteins for A1BA41 (Paracoccus denitrificans (strain Pd 1222)) Explore A1BA41 Go to UniProtKB: A1BA41
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UniProt Group	A1BA41
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Entity ID: 24
Molecule	Chains	Sequence Length	Organism	Details	Image
cytochrome-c oxidase	AA [auth i]	274	Paracoccus denitrificans PD1222	Mutation(s): 0 EC: 7.1.1.9
UniProt
Find proteins for A1BA37 (Paracoccus denitrificans (strain Pd 1222)) Explore A1BA37 Go to UniProtKB: A1BA37
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UniProt Group	A1BA37
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Entity ID: 25
Molecule	Chains	Sequence Length	Organism	Details	Image
Aa3 type cytochrome c oxidase subunit IV	BA [auth j]	66	Paracoccus denitrificans PD1222	Mutation(s): 0
UniProt
Find proteins for A1AZ52 (Paracoccus denitrificans (strain Pd 1222)) Explore A1AZ52 Go to UniProtKB: A1AZ52
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UniProt Group	A1AZ52
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Entity ID: 26
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome c, class I	CA [auth o], DA [auth p]	176	Paracoccus denitrificans PD1222	Mutation(s): 0
UniProt
Find proteins for A1B311 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B311 Go to UniProtKB: A1B311
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UniProt Group	A1B311
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Entity ID: 27
Molecule	Chains	Sequence Length	Organism	Details	Image
NADH:ubiquinone oxidoreductase 17.2 kD subunit	EA [auth q]	124	Paracoccus denitrificans PD1222	Mutation(s): 0
UniProt
Find proteins for A1B1H8 (Paracoccus denitrificans (strain Pd 1222)) Explore A1B1H8 Go to UniProtKB: A1B1H8
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UniProt Group	A1B1H8
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Reference Sequence

Small Molecules

Ligands 20 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CDL Query on CDL Download:Ideal Coordinates CCD File SDF format, chain GC [auth d] MOL2 format, chain GC [auth d] mmCIF format, chain GC [auth d]	GC [auth d]	CARDIOLIPIN C₈₁ H₁₅₆ O₁₇ P₂ XVTUQDWPJJBEHJ-KZCWQMDCSA-L		Interactions Focus chain GC [auth d] Interactions & Density Focus chain GC [auth d]
T7X Query on T7X Download:Ideal Coordinates CCD File SDF format, chain YA [auth J] MOL2 format, chain YA [auth J] mmCIF format, chain YA [auth J]	YA [auth J]	Phosphatidylinositol C₄₇ H₈₃ O₁₃ P KRTOMQDUKGRFDJ-TWUHCGEESA-N		Interactions Focus chain YA [auth J] Interactions & Density Focus chain YA [auth J]
U10 Query on U10 Download:Ideal Coordinates CCD File SDF format, chain JC [auth d] SDF format, chain LC [auth d] SDF format, chain WB [auth a] SDF format, chain UB [auth a] SDF format, chain JA [auth B] MOL2 format, chain JC [auth d] MOL2 format, chain LC [auth d] MOL2 format, chain WB [auth a] MOL2 format, chain UB [auth a] MOL2 format, chain JA [auth B] mmCIF format, chain JC [auth d] mmCIF format, chain LC [auth d] mmCIF format, chain WB [auth a] mmCIF format, chain UB [auth a] mmCIF format, chain JA [auth B]	JA [auth B], JC [auth d], LC [auth d], UB [auth a], WB [auth a]	UBIQUINONE-10 C₅₉ H₉₀ O₄ ACTIUHUUMQJHFO-UPTCCGCDSA-N		Interactions Focus chain JA [auth B] Focus chain JC [auth d] Focus chain LC [auth d] Focus chain UB [auth a] Focus chain WB [auth a] Interactions & Density Focus chain JA [auth B] Focus chain JC [auth d] Focus chain LC [auth d] Focus chain UB [auth a] Focus chain WB [auth a]
HEA (Subject of Investigation/LOI) Query on HEA Download:Ideal Coordinates CCD File SDF format, chain RC [auth g] SDF format, chain UC [auth g] MOL2 format, chain RC [auth g] MOL2 format, chain UC [auth g] mmCIF format, chain RC [auth g] mmCIF format, chain UC [auth g]	RC [auth g], UC [auth g]	HEME-A C₄₉ H₅₆ Fe N₄ O₆ ZGGYGTCPXNDTRV-PRYGPKJJSA-L		Interactions Focus chain RC [auth g] Focus chain UC [auth g] Interactions & Density Focus chain RC [auth g] Focus chain UC [auth g]
P5S Query on P5S Download:Ideal Coordinates CCD File SDF format, chain EB [auth L] MOL2 format, chain EB [auth L] mmCIF format, chain EB [auth L]	EB [auth L]	O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine C₄₂ H₈₂ N O₁₀ P TZCPCKNHXULUIY-RGULYWFUSA-N		Interactions Focus chain EB [auth L] Interactions & Density Focus chain EB [auth L]
PC1 Query on PC1 Download:Ideal Coordinates CCD File SDF format, chain BD [auth i] SDF format, chain CD [auth i] SDF format, chain DB [auth L] SDF format, chain GD [auth j] SDF format, chain LA [auth D] SDF format, chain MB [auth M] SDF format, chain MC [auth d] SDF format, chain PB [auth a] SDF format, chain QB [auth a] SDF format, chain UA [auth H] SDF format, chain XC [auth i] SDF format, chain ZC [auth i] SDF format, chain XB [auth a] SDF format, chain SB [auth a] SDF format, chain KB [auth M] MOL2 format, chain BD [auth i] MOL2 format, chain CD [auth i] MOL2 format, chain DB [auth L] MOL2 format, chain GD [auth j] MOL2 format, chain LA [auth D] MOL2 format, chain MB [auth M] MOL2 format, chain MC [auth d] MOL2 format, chain PB [auth a] MOL2 format, chain QB [auth a] MOL2 format, chain UA [auth H] MOL2 format, chain XC [auth i] MOL2 format, chain ZC [auth i] MOL2 format, chain XB [auth a] MOL2 format, chain SB [auth a] MOL2 format, chain KB [auth M] mmCIF format, chain BD [auth i] mmCIF format, chain CD [auth i] mmCIF format, chain DB [auth L] mmCIF format, chain GD [auth j] mmCIF format, chain LA [auth D] mmCIF format, chain MB [auth M] mmCIF format, chain MC [auth d] mmCIF format, chain PB [auth a] mmCIF format, chain QB [auth a] mmCIF format, chain UA [auth H] mmCIF format, chain XC [auth i] mmCIF format, chain ZC [auth i] mmCIF format, chain XB [auth a] mmCIF format, chain SB [auth a] mmCIF format, chain KB [auth M]	BD [auth i] CD [auth i] DB [auth L] GD [auth j] KB [auth M] BD [auth i], CD [auth i], DB [auth L], GD [auth j], KB [auth M], LA [auth D], MB [auth M], MC [auth d], PB [auth a], QB [auth a], SB [auth a], UA [auth H], XB [auth a], XC [auth i], ZC [auth i]	1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE C₄₄ H₈₈ N O₈ P NRJAVPSFFCBXDT-HUESYALOSA-N		Interactions Focus chain BD [auth i] Focus chain CD [auth i] Focus chain DB [auth L] Focus chain GD [auth j] Focus chain KB [auth M] Focus chain LA [auth D] Focus chain MB [auth M] Focus chain MC [auth d] Focus chain PB [auth a] Focus chain QB [auth a] Focus chain SB [auth a] Focus chain UA [auth H] Focus chain XB [auth a] Focus chain XC [auth i] Focus chain ZC [auth i] Interactions & Density Focus chain BD [auth i] Focus chain CD [auth i] Focus chain DB [auth L] Focus chain GD [auth j] Focus chain KB [auth M] Focus chain LA [auth D] Focus chain MB [auth M] Focus chain MC [auth d] Focus chain PB [auth a] Focus chain QB [auth a] Focus chain SB [auth a] Focus chain UA [auth H] Focus chain XB [auth a] Focus chain XC [auth i] Focus chain ZC [auth i]
PGT Query on PGT Download:Ideal Coordinates CCD File SDF format, chain AB [auth J] SDF format, chain FA [auth A] SDF format, chain FB [auth L] SDF format, chain HD [auth q] SDF format, chain NB [auth P] SDF format, chain HA [auth A] MOL2 format, chain AB [auth J] MOL2 format, chain FA [auth A] MOL2 format, chain FB [auth L] MOL2 format, chain HD [auth q] MOL2 format, chain NB [auth P] MOL2 format, chain HA [auth A] mmCIF format, chain AB [auth J] mmCIF format, chain FA [auth A] mmCIF format, chain FB [auth L] mmCIF format, chain HD [auth q] mmCIF format, chain NB [auth P] mmCIF format, chain HA [auth A]	AB [auth J] FA [auth A] FB [auth L] HA [auth A] HD [auth q] AB [auth J], FA [auth A], FB [auth L], HA [auth A], HD [auth q], NB [auth P]	(1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE C₄₀ H₇₉ O₁₀ P KBPVYRBBONZJHF-AMAPPZPBSA-N		Interactions Focus chain AB [auth J] Focus chain FA [auth A] Focus chain FB [auth L] Focus chain HA [auth A] Focus chain HD [auth q] Focus chain NB [auth P] Interactions & Density Focus chain AB [auth J] Focus chain FA [auth A] Focus chain FB [auth L] Focus chain HA [auth A] Focus chain HD [auth q] Focus chain NB [auth P]
3PE Query on 3PE Download:Ideal Coordinates CCD File SDF format, chain CB [auth L] SDF format, chain TA [auth H] SDF format, chain YB [auth b] SDF format, chain XA [auth I] SDF format, chain KC [auth d] SDF format, chain DD [auth i] SDF format, chain BC [auth c] SDF format, chain AD [auth i] MOL2 format, chain CB [auth L] MOL2 format, chain TA [auth H] MOL2 format, chain YB [auth b] MOL2 format, chain XA [auth I] MOL2 format, chain KC [auth d] MOL2 format, chain DD [auth i] MOL2 format, chain BC [auth c] MOL2 format, chain AD [auth i] mmCIF format, chain CB [auth L] mmCIF format, chain TA [auth H] mmCIF format, chain YB [auth b] mmCIF format, chain XA [auth I] mmCIF format, chain KC [auth d] mmCIF format, chain DD [auth i] mmCIF format, chain BC [auth c] mmCIF format, chain AD [auth i]	AD [auth i] BC [auth c] CB [auth L] DD [auth i] KC [auth d] AD [auth i], BC [auth c], CB [auth L], DD [auth i], KC [auth d], TA [auth H], XA [auth I], YB [auth b]	1,2-Distearoyl-sn-glycerophosphoethanolamine C₄₁ H₈₂ N O₈ P LVNGJLRDBYCPGB-LDLOPFEMSA-N		Interactions Focus chain AD [auth i] Focus chain BC [auth c] Focus chain CB [auth L] Focus chain DD [auth i] Focus chain KC [auth d] Focus chain TA [auth H] Focus chain XA [auth I] Focus chain YB [auth b] Interactions & Density Focus chain AD [auth i] Focus chain BC [auth c] Focus chain CB [auth L] Focus chain DD [auth i] Focus chain KC [auth d] Focus chain TA [auth H] Focus chain XA [auth I] Focus chain YB [auth b]
3PH Query on 3PH Download:Ideal Coordinates CCD File SDF format, chain FD [auth i] SDF format, chain GB [auth L] SDF format, chain HB [auth L] SDF format, chain IB [auth M] SDF format, chain QC [auth f] SDF format, chain RB [auth a] SDF format, chain FC [auth c] MOL2 format, chain FD [auth i] MOL2 format, chain GB [auth L] MOL2 format, chain HB [auth L] MOL2 format, chain IB [auth M] MOL2 format, chain QC [auth f] MOL2 format, chain RB [auth a] MOL2 format, chain FC [auth c] mmCIF format, chain FD [auth i] mmCIF format, chain GB [auth L] mmCIF format, chain HB [auth L] mmCIF format, chain IB [auth M] mmCIF format, chain QC [auth f] mmCIF format, chain RB [auth a] mmCIF format, chain FC [auth c]	FC [auth c] FD [auth i] GB [auth L] HB [auth L] IB [auth M] FC [auth c], FD [auth i], GB [auth L], HB [auth L], IB [auth M], QC [auth f], RB [auth a]	1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATE C₃₉ H₇₇ O₈ P YFWHNAWEOZTIPI-DIPNUNPCSA-N		Interactions Focus chain FC [auth c] Focus chain FD [auth i] Focus chain GB [auth L] Focus chain HB [auth L] Focus chain IB [auth M] Focus chain QC [auth f] Focus chain RB [auth a] Interactions & Density Focus chain FC [auth c] Focus chain FD [auth i] Focus chain GB [auth L] Focus chain HB [auth L] Focus chain IB [auth M] Focus chain QC [auth f] Focus chain RB [auth a]
HEC (Subject of Investigation/LOI) Query on HEC Download:Ideal Coordinates CCD File SDF format, chain OC [auth e] SDF format, chain ZB [auth b] MOL2 format, chain OC [auth e] MOL2 format, chain ZB [auth b] mmCIF format, chain OC [auth e] mmCIF format, chain ZB [auth b]	OC [auth e], ZB [auth b]	HEME C C₃₄ H₃₄ Fe N₄ O₄ HXQIYSLZKNYNMH-LJNAALQVSA-N		Interactions Focus chain OC [auth e] Focus chain ZB [auth b] Interactions & Density Focus chain OC [auth e] Focus chain ZB [auth b]
HEM (Subject of Investigation/LOI) Query on HEM Download:Ideal Coordinates CCD File SDF format, chain HC [auth d] SDF format, chain IC [auth d] SDF format, chain TB [auth a] SDF format, chain VB [auth a] MOL2 format, chain HC [auth d] MOL2 format, chain IC [auth d] MOL2 format, chain TB [auth a] MOL2 format, chain VB [auth a] mmCIF format, chain HC [auth d] mmCIF format, chain IC [auth d] mmCIF format, chain TB [auth a] mmCIF format, chain VB [auth a]	HC [auth d], IC [auth d], TB [auth a], VB [auth a]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain HC [auth d] Focus chain IC [auth d] Focus chain TB [auth a] Focus chain VB [auth a] Interactions & Density Focus chain HC [auth d] Focus chain IC [auth d] Focus chain TB [auth a] Focus chain VB [auth a]
DU0 Query on DU0 Download:Ideal Coordinates CCD File SDF format, chain BB [auth J] SDF format, chain CC [auth c] SDF format, chain ED [auth i] SDF format, chain GA [auth A] SDF format, chain JB [auth M] SDF format, chain LB [auth M] SDF format, chain SA [auth H] SDF format, chain ZA [auth J] SDF format, chain EC [auth c] MOL2 format, chain BB [auth J] MOL2 format, chain CC [auth c] MOL2 format, chain ED [auth i] MOL2 format, chain GA [auth A] MOL2 format, chain JB [auth M] MOL2 format, chain LB [auth M] MOL2 format, chain SA [auth H] MOL2 format, chain ZA [auth J] MOL2 format, chain EC [auth c] mmCIF format, chain BB [auth J] mmCIF format, chain CC [auth c] mmCIF format, chain ED [auth i] mmCIF format, chain GA [auth A] mmCIF format, chain JB [auth M] mmCIF format, chain LB [auth M] mmCIF format, chain SA [auth H] mmCIF format, chain ZA [auth J] mmCIF format, chain EC [auth c]	BB [auth J] CC [auth c] EC [auth c] ED [auth i] GA [auth A] BB [auth J], CC [auth c], EC [auth c], ED [auth i], GA [auth A], JB [auth M], LB [auth M], SA [auth H], ZA [auth J]	2-[2-[(1~{S},2~{S},4~{S},5'~{R},6~{R},7~{S},8~{R},9~{S},12~{S},13~{R},16~{S})-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icos-18-ene-6,2'-oxane]-16-yl]oxyethyl]propane-1,3-diol C₃₂ H₅₂ O₅ GFDJQXOBWHMOSQ-LEZUHYJESA-N		Interactions Focus chain BB [auth J] Focus chain CC [auth c] Focus chain EC [auth c] Focus chain ED [auth i] Focus chain GA [auth A] Focus chain JB [auth M] Focus chain LB [auth M] Focus chain SA [auth H] Focus chain ZA [auth J] Interactions & Density Focus chain BB [auth J] Focus chain CC [auth c] Focus chain EC [auth c] Focus chain ED [auth i] Focus chain GA [auth A] Focus chain JB [auth M] Focus chain LB [auth M] Focus chain SA [auth H] Focus chain ZA [auth J]
FMN (Subject of Investigation/LOI) Query on FMN Download:Ideal Coordinates CCD File SDF format, chain OA [auth F] MOL2 format, chain OA [auth F] mmCIF format, chain OA [auth F]	OA [auth F]	FLAVIN MONONUCLEOTIDE C₁₇ H₂₁ N₄ O₉ P FVTCRASFADXXNN-SCRDCRAPSA-N		Interactions Focus chain OA [auth F] Interactions & Density Focus chain OA [auth F]
SF4 Query on SF4 Download:Ideal Coordinates CCD File SDF format, chain IA [auth B] SDF format, chain RA [auth G] SDF format, chain VA [auth I] SDF format, chain WA [auth I] SDF format, chain QA [auth G] SDF format, chain NA [auth F] MOL2 format, chain IA [auth B] MOL2 format, chain RA [auth G] MOL2 format, chain VA [auth I] MOL2 format, chain WA [auth I] MOL2 format, chain QA [auth G] MOL2 format, chain NA [auth F] mmCIF format, chain IA [auth B] mmCIF format, chain RA [auth G] mmCIF format, chain VA [auth I] mmCIF format, chain WA [auth I] mmCIF format, chain QA [auth G] mmCIF format, chain NA [auth F]	IA [auth B] NA [auth F] QA [auth G] RA [auth G] VA [auth I] IA [auth B], NA [auth F], QA [auth G], RA [auth G], VA [auth I], WA [auth I]	IRON/SULFUR CLUSTER Fe₄ S₄ LJBDFODJNLIPKO-UHFFFAOYSA-N		Interactions Focus chain IA [auth B] Focus chain NA [auth F] Focus chain QA [auth G] Focus chain RA [auth G] Focus chain VA [auth I] Focus chain WA [auth I] Interactions & Density Focus chain IA [auth B] Focus chain NA [auth F] Focus chain QA [auth G] Focus chain RA [auth G] Focus chain VA [auth I] Focus chain WA [auth I]
FES Query on FES Download:Ideal Coordinates CCD File SDF format, chain DC [auth c] SDF format, chain MA [auth E] SDF format, chain PA [auth G] SDF format, chain PC [auth f] MOL2 format, chain DC [auth c] MOL2 format, chain MA [auth E] MOL2 format, chain PA [auth G] MOL2 format, chain PC [auth f] mmCIF format, chain DC [auth c] mmCIF format, chain MA [auth E] mmCIF format, chain PA [auth G] mmCIF format, chain PC [auth f]	DC [auth c], MA [auth E], PA [auth G], PC [auth f]	FE2/S2 (INORGANIC) CLUSTER Fe₂ S₂ NIXDOXVAJZFRNF-UHFFFAOYSA-N		Interactions Focus chain DC [auth c] Focus chain MA [auth E] Focus chain PA [auth G] Focus chain PC [auth f] Interactions & Density Focus chain DC [auth c] Focus chain MA [auth E] Focus chain PA [auth G] Focus chain PC [auth f]
CUA Query on CUA Download:Ideal Coordinates CCD File SDF format, chain WC [auth h] MOL2 format, chain WC [auth h] mmCIF format, chain WC [auth h]	WC [auth h]	DINUCLEAR COPPER ION Cu₂ ALKZAGKDWUSJED-UHFFFAOYSA-N		Interactions Focus chain WC [auth h] Interactions & Density Focus chain WC [auth h]
ZN Query on ZN Download:Ideal Coordinates CCD File SDF format, chain OB [auth R] SDF format, chain YC [auth i] MOL2 format, chain OB [auth R] MOL2 format, chain YC [auth i] mmCIF format, chain OB [auth R] mmCIF format, chain YC [auth i]	OB [auth R], YC [auth i]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain OB [auth R] Focus chain YC [auth i] Interactions & Density Focus chain OB [auth R] Focus chain YC [auth i]
CU Query on CU Download:Ideal Coordinates CCD File SDF format, chain SC [auth g] MOL2 format, chain SC [auth g] mmCIF format, chain SC [auth g]	SC [auth g]	COPPER (II) ION Cu JPVYNHNXODAKFH-UHFFFAOYSA-N		Interactions Focus chain SC [auth g] Interactions & Density Focus chain SC [auth g]
MN Query on MN Download:Ideal Coordinates CCD File SDF format, chain VC [auth g] MOL2 format, chain VC [auth g] mmCIF format, chain VC [auth g]	VC [auth g]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N		Interactions Focus chain VC [auth g] Interactions & Density Focus chain VC [auth g]
CA Query on CA Download:Ideal Coordinates CCD File SDF format, chain AC [auth b] SDF format, chain NC [auth e] SDF format, chain TC [auth g] SDF format, chain KA [auth D] MOL2 format, chain AC [auth b] MOL2 format, chain NC [auth e] MOL2 format, chain TC [auth g] MOL2 format, chain KA [auth D] mmCIF format, chain AC [auth b] mmCIF format, chain NC [auth e] mmCIF format, chain TC [auth g] mmCIF format, chain KA [auth D]	AC [auth b], KA [auth D], NC [auth e], TC [auth g]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain AC [auth b] Focus chain KA [auth D] Focus chain NC [auth e] Focus chain TC [auth g] Interactions & Density Focus chain AC [auth b] Focus chain KA [auth D] Focus chain NC [auth e] Focus chain TC [auth g]

Modified Residues 2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
FME Query on FME	A	L-PEPTIDE LINKING	C₆ H₁₁ N O₃ S		MET
2MR Query on 2MR	D	L-PEPTIDE LINKING	C₈ H₁₈ N₄ O₂		ARG