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3ETR

Crystal structure of xanthine oxidase in complex with lumazine

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, D
(A, L)
Xanthine dehydrogenase/oxidasepolymer16418002.92UniProt (P80457)
Pfam (PF00111)
Pfam (PF01799)
Bos taurus (Bovine)[Includes: Xanthine dehydrogenase (EC 1.17.1.4) (XD), and Xanthine oxidase (EC 1.17.3.2) (XO) (Xanthine oxidoreductase)]
2B, E
(B, M)
Xanthine dehydrogenase/oxidasepolymer30534024.62UniProt (P80457)
Pfam (PF00941)
Pfam (PF03450)
Bos taurus (Bovine)
3C, F
(C, N)
Xanthine dehydrogenase/oxidasepolymer75582966.22UniProt (P80457)
Pfam (PF01315)
Pfam (PF02738)
Pfam (PF20256)
Bos taurus (Bovine)
4G, H, N, O
(A, L)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.84Chemie (FES)
5I, P
(B, M)
FLAVIN-ADENINE DINUCLEOTIDEnon-polymer785.52Chemie (FAD)
6J, Q
(C, N)
PHOSPHONIC ACIDMONO-(2-AMINO-5,6-DIMERCAPTO-4-OXO-3,7,8A,9,10,10A-HEXAHYDRO-4H-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-7-YLMETHYL)ESTERnon-polymer395.42Chemie (MTE)
7K, R
(C, N)
DIOXOTHIOMOLYBDENUM(VI) IONnon-polymer161.02Chemie (MOS)
8L, S
(C, N)
pteridine-2,4(1H,3H)-dionenon-polymer164.12Chemie (LUZ)
9M
(C)
CALCIUM IONnon-polymer40.11Chemie (CA)
10T, U, V, W, X...
(A, B, C, L, M...)
waterwater18.01232Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight269987.3
Non-Polymers*Number of molecules13
Total formula weight3755.4
All*Total formula weight273742.8
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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