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4FGK

Oxidized quinone reductase 2 in complex with chloroquine

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Ribosyldihydronicotinamide dehydrogenase [quinone]polymer23326108.72UniProt (P16083)
Pfam (PF02525)
Homo sapiens (human)NRH dehydrogenase [quinone] 2, NRH:quinone oxidoreductase 2, Quinone reductase 2, QR2
2C, H
(A, B)
FLAVIN-ADENINE DINUCLEOTIDEnon-polymer785.52Chemie (FAD)
3D, F
(A)
(4S)-N~4~-(7-chloroquinolin-4-yl)-N~1~,N~1~-diethylpentane-1,4-diaminenon-polymer319.92Chemie (0TX)
4E, G
(A, B)
ZINC IONnon-polymer65.42Chemie (ZN)
5I, J
(A, B)
waterwater18.0511Chemie (HOH)
Sequence modifications
A, B: 0 - 230 (UniProt: P16083)
PDBExternal DatabaseDetails
Gly -2-expression tag
Ala -1-expression tag
Phe 46Leu 47SEE REMARK 999
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight52217.3
Non-Polymers*Number of molecules6
Total formula weight2341.7
All*Total formula weight54559.0
*Water molecules are not included.

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PDB entries from 2025-12-17

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