Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, D (A, J) | Xanthine dehydrogenase/oxidase | polymer | 164 | 18002.9 | 2 | UniProt (P80457) Pfam (PF00111) Pfam (PF01799) | Bos taurus (bovine) | Xanthine dehydrogenase, XD, Xanthine oxidase, XO, Xanthine oxidoreductase |
| 2 | B, E (B, K) | Xanthine dehydrogenase/oxidase | polymer | 305 | 34024.6 | 2 | UniProt (P80457) Pfam (PF00941) Pfam (PF03450) | Bos taurus (bovine) | Xanthine dehydrogenase, XD, Xanthine oxidase, XO, Xanthine oxidoreductase |
| 3 | C, F (C, L) | Xanthine dehydrogenase/oxidase | polymer | 745 | 82050.1 | 2 | UniProt (P80457) Pfam (PF01315) Pfam (PF02738) Pfam (PF20256) | Bos taurus (bovine) | Xanthine dehydrogenase, XD, Xanthine oxidase, XO, Xanthine oxidoreductase |
| 4 | G, H, K, L (A, J) | FE2/S2 (INORGANIC) CLUSTER | non-polymer | 175.8 | 4 | Chemie (FES) | |||
| 5 | I, M (B, K) | FLAVIN-ADENINE DINUCLEOTIDE | non-polymer | 785.5 | 2 | Chemie (FAD) | |||
| 6 | J, N (C, L) | Mo-oxo-thioxo-arsenite-molybdopterin | non-polymer | 645.3 | 2 | Chemie (FUT) | |||
| 7 | O, P, Q, R, S... (A, B, C, J, K...) | water | water | 18.0 | 842 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 268155.2 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 3564.9 | |
| All* | Total formula weight | 271720.1 |






