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7NZ1

Respiratory complex I from Escherichia coli - focused refinement of cytoplasmic arm

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(B)
NADH-quinone oxidoreductase subunit Bpolymer22025097.81Pfam (PF01058)
UniProt (by SIFTS) (P0AFC7)
Escherichia coli B
2B
(D)
NADH-quinone oxidoreductase subunit C/Dpolymer59668321.91UniProt (P33599)
Pfam (PF00329)
Pfam (PF00346)
Escherichia coli BNADH dehydrogenase I subunit C/D,NDH-1 subunit C/D,NUO3/NUO4
3C
(E)
NADH-quinone oxidoreductase subunit Epolymer16618630.01UniProt (P0AFD1)
Pfam (PF01257)
Escherichia coli B
4D
(F)
NADH-quinone oxidoreductase subunit Fpolymer44549368.31UniProt (P31979)
Pfam (PF01512)
Pfam (PF10589)
Escherichia coli B
5E
(G)
NADH-quinone oxidoreductase subunit Gpolymer908100419.21UniProt (P33602)
Pfam (PF04879)
Pfam (PF00384)
Pfam (PF01568)
Pfam (PF13510)
Pfam (PF10588)
Pfam (PF22117)
Escherichia coli B
6F
(I)
NADH-quinone oxidoreductase subunit Ipolymer18020562.81UniProt (P0AFD6)
Pfam (PF00037)
Escherichia coli B
7G, I, L, M, N...
(B, F, G, I)
IRON/SULFUR CLUSTERnon-polymer351.67Chemie (SF4)
8H, K
(E, G)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.82Chemie (FES)
9J
(F)
FLAVIN MONONUCLEOTIDEnon-polymer456.31Chemie (FMN)
10O
(G)
CALCIUM IONnon-polymer40.11Chemie (CA)
11R, S, T, U, V...
(B, D, E, F, G...)
waterwater18.01170Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight282400.1
Non-Polymers*Number of molecules11
Total formula weight3309.5
All*Total formula weight285709.7
*Water molecules are not included.

246704

PDB entries from 2025-12-24

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