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9RZV

E. coli cytochrome bd-I dimer bound to menaquinone

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, E
(A, a)
Cytochrome bd-I ubiquinol oxidase subunit 1polymer52258251.72UniProt (P0ABJ9)
Pfam (PF01654)
Escherichia coli K-12Cytochrome bd-I oxidase subunit I,Cytochrome d ubiquinol oxidase subunit I
2B, F
(B, b)
Cytochrome bd-I ubiquinol oxidase subunit 2polymer37942479.82UniProt (P0ABK2)
Pfam (PF02322)
Escherichia coli K-12Cytochrome bd-I oxidase subunit II,Cytochrome d ubiquinol oxidase subunit II
3C, G
(H, h)
Cytochrome bd-I ubiquinol oxidase CydH (Uncharacterized protein YnhF)polymer292999.72UniProt (A5A618)Escherichia coli K-12
4D, H
(X, x)
Cytochrome bd-I ubiquinol oxidase subunit Xpolymer374043.72UniProt (P56100)
Pfam (PF08173)
Escherichia coli K-12Cytochrome bd-I oxidase subunit X,Cytochrome d ubiquinol oxidase subunit X
5BA, I, M, Y
(a, A)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.54Chemie (HEM)
6AA, J
(a, A)
TRANS-HEME D HYDROXYCHLORIN GAMMA-SPIROLACTONEnon-polymer636.52Chemie (A1JN4)
7EA, K, U, X
(b, A, B, a)
MENAQUINONE-9non-polymer785.24Chemie (MQ9)
PubChem (5288844)
8HA, IA, L, Q, S...
(b, A, B, a)
2-(HEXADECANOYLOXY)-1-[(PHOSPHONOOXY)METHYL]ETHYL HEXADECANOATEnon-polymer648.96Chemie (LPP)
PubChem (446066)
9N, W
(A, a)
Ubiquinone-8non-polymer727.12Chemie (UQ8)
PubChem (5283546)
10CA, O
(a, A)
OXYGEN MOLECULEnon-polymer32.02Chemie (OXY)
PubChem (977)
11DA, JA, P, V
(a, x, A, X)
(1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATEnon-polymer751.04Chemie (PGT)
12FA, GA, R, T
(b, B)
(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphatenon-polymer760.14Chemie (POV)
13KA, LA, MA, NA
(A, B, a, b)
waterwater18.077Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight215549.7
Non-Polymers*Number of molecules28
Total formula weight18335.9
All*Total formula weight233885.6
*Water molecules are not included.

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PDB entries from 2026-05-27

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