5BQP
Hypoxanthine-guanine-xanthine phosphoribosyltransferase (HGXPRT) from Sulfolobus solfataricus with xanthosine and phosphate bound in the nucleotide binding site and with sulfate bound in the pyrophosphate binding site
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Purine phosphoribosyltransferase (GpT-2) | polymer | 179 | 20682.1 | 4 | UniProt (Q97W22) Pfam (PF00156) | Sulfolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2) | |
| 2 | E, J, N, S (A, B, C, D) | 2,3-dihydroxanthosine | non-polymer | 284.2 | 4 | Chemie (4UO) | |||
| 3 | F, K, O, T (A, B, C, D) | PHOSPHATE ION | non-polymer | 95.0 | 4 | Chemie (PO4) | |||
| 4 | G, H, L, P, U... (A, B, C, D) | SULFATE ION | non-polymer | 96.1 | 6 | Chemie (SO4) | |||
| 5 | I, W (A, D) | TETRAETHYLENE GLYCOL | non-polymer | 194.2 | 2 | Chemie (PG4) | |||
| 6 | M, Q (B, C) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 7 | R (C) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 1 | Chemie (PGE) | |||
| 8 | AA, X, Y, Z (D, A, B, C) | water | water | 18.0 | 952 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 82728.2 | |
| Non-Polymers* | Number of molecules | 19 |
| Total formula weight | 2816.0 | |
| All* | Total formula weight | 85544.2 |
