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8A1U

Sodium pumping NADH-quinone oxidoreductase with substrates NADH and Q2

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Na(+)-translocating NADH-quinone reductase subunit Apolymer46851125.41UniProt (Q9KPS1)
Pfam (PF05896)
Pfam (PF24836)
Pfam (PF11973)
Vibrio choleraeNa(+)-NQR subunit A,Na(+)-translocating NQR subunit A,NQR complex subunit A,NQR-1 subunit A
2B
(B)
Na(+)-translocating NADH-quinone reductase subunit Bpolymer41545390.91UniProt (Q9KPS2)
Pfam (PF03116)
Vibrio choleraeNa(+)-NQR subunit B,Na(+)-translocating NQR subunit B,NQR complex subunit B,NQR-1 subunit B
3C
(C)
Na(+)-translocating NADH-quinone reductase subunit Cpolymer25727652.31UniProt (P0C6E0)
Pfam (PF04205)
Vibrio choleraeNa(+)-NQR subunit C,Na(+)-translocating NQR subunit C,NQR complex subunit C,NQR-1 subunit C
4D
(D)
Na(+)-translocating NADH-quinone reductase subunit Dpolymer21022853.21UniProt (Q9X4Q6)
Pfam (PF02508)
Vibrio choleraeNa(+)-NQR subunit D,Na(+)-translocating NQR subunit D,NQR complex subunit D,NQR-1 subunit D
5E
(E)
Na(+)-translocating NADH-quinone reductase subunit Epolymer19821481.71UniProt (Q9X4Q7)
Pfam (PF02508)
Vibrio choleraeNa(+)-NQR subunit E,Na(+)-translocating NQR subunit E,NQR complex subunit E,NQR-1 subunit E
6F
(F)
Na(+)-translocating NADH-quinone reductase subunit Fpolymer40845113.51UniProt (Q9X4Q8)
Pfam (PF00175)
Pfam (PF00111)
Pfam (PF00970)
Vibrio choleraeNa(+)-NQR subunit F,Na(+)-translocating NQR subunit F,NQR complex subunit F,NQR-1 subunit F
7G, Q
(B, C)
FLAVIN MONONUCLEOTIDEnon-polymer456.32Chemie (FMN)
8H
(B)
RIBOFLAVINnon-polymer376.41Chemie (RBF)
9I, K, S
(B, D)
DODECYL-BETA-D-MALTOSIDEnon-polymer510.63Chemie (LMT)
10J, L, N, R
(B, D)
1,2-Distearoyl-sn-glycerophosphoethanolaminenon-polymer748.14Chemie (3PE)
11M
(B)
UBIQUINONE-2non-polymer318.41Chemie (UQ2)
12O, P
(B)
SODIUM IONnon-polymer23.02Chemie (NA)
13T, V
(E, F)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.82Chemie (FES)
14U
(F)
FLAVIN-ADENINE DINUCLEOTIDEnon-polymer785.51Chemie (FAD)
15W
(F)
1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDEnon-polymer665.41Chemie (NAI)
16AA, BA, CA, X, Y...
(D, E, F, A, B...)
waterwater18.0187Chemie (HOH)
Sequence modifications
A: 1 - 446 (UniProt: Q9KPS1)
PDBExternal DatabaseDetails
Met -21-initiating methionine
Gly -20-expression tag
Ser -19-expression tag
Ser -18-expression tag
His -17-expression tag
His -16-expression tag
His -15-expression tag
His -14-expression tag
His -13-expression tag
His -12-expression tag
Ser -11-expression tag
Ser -10-expression tag
Gly -9-expression tag
Leu -8-expression tag
Glu -7-expression tag
Val -6-expression tag
Leu -5-expression tag
Phe -4-expression tag
Gln -3-expression tag
Gly -2-expression tag
Pro -1-expression tag
His 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight213616.9
Non-Polymers*Number of molecules17
Total formula weight7980.2
All*Total formula weight221597.1
*Water molecules are not included.

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PDB entries from 2026-01-21

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