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3RKO

Crystal structure of the membrane domain of respiratory complex I from E. coli at 3.0 angstrom resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, G
(L, B)
NADH-QUINONE OXIDOREDUCTASE SUBUNIT Lpolymer61366513.62UniProt (C6E9S4)Escherichia coliProton-translocating NADH-quinone oxidoreductase, chain L
2B, H
(M, C)
NADH-QUINONE OXIDOREDUCTASE SUBUNIT Mpolymer50956560.12UniProt (C6E9S5)Escherichia coliProton-translocating NADH-quinone oxidoreductase, chain M
3C, I
(N, D)
NADH-QUINONE OXIDOREDUCTASE SUBUNIT Npolymer48552072.72UniProt (C6E9S6)Escherichia coliNADH dehydrogenase I subunit N 1, NDH-1 subunit N 1
4D, J
(K, G)
NADH-QUINONE OXIDOREDUCTASE SUBUNIT Kpolymer10010853.02UniProt (C6E9S3)
UniProt (by SIFTS) (C5W716)
Escherichia coliNADH dehydrogenase I subunit K, NDH-1 subunit K
5E, K
(A, E)
NADH-QUINONE OXIDOREDUCTASE SUBUNIT Apolymer14716474.32UniProt (C6E9R4)Escherichia coli
6F, L
(J, F)
NADH-QUINONE OXIDOREDUCTASE SUBUNIT Jpolymer18419889.62UniProt (C6E9S2)Escherichia coliNADH dehydrogenase subunit J
7AA, BA, CA, DA, EA...
(C, D, L, M, N...)
EICOSANEnon-polymer282.518Chemie (LFA)
PubChem (8222)
8P, Z
(M, C)
7-cyclohexylheptyl 4-O-alpha-D-glucopyranosyl-beta-D-glucopyranosidenon-polymer522.62Chemie (CA7)
PubChem (73032005)
PubChem (126735876)
PubChem (11620616)
PubChem (126731027)
PubChem (126735877)
9GA, HA, IA, JA, KA...
(L, M, N, K, B...)
waterwater18.016Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains12
Total formula weight444726.4
Non-Polymers*Number of molecules20
Total formula weight6131.1
All*Total formula weight450857.5
*Water molecules are not included.

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PDB entries from 2026-05-06

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