4QYI
1.95 Angstrom resolution crystal structure of a hypoxanthine-guanine phosphoribosyltransferase (hpt-2) from Bacillus anthracis str. 'Ames Ancestor' with HEPES molecule in the active site
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Hypoxanthine phosphoribosyltransferase | polymer | 186 | 21127.2 | 1 | UniProt (Q81KC7) Pfam (PF00156) UniProt (by SIFTS) (A0A6L8PVA4) | Bacillus anthracis (anthrax anthrax bacterium) | |
| 2 | B, C, D, E (B, C, D, E) | Hypoxanthine phosphoribosyltransferase | polymer | 186 | 21203.3 | 4 | UniProt (Q81KC7) Pfam (PF00156) UniProt (by SIFTS) (A0A6L8PVA4) | Bacillus anthracis (anthrax anthrax bacterium) | |
| 3 | F, I, J, M, N... (A, B, C, D, E) | MAGNESIUM ION | non-polymer | 24.3 | 9 | Chemie (MG) | |||
| 4 | G, H, K, O, R... (A, B, C, D, E) | PHOSPHATE ION | non-polymer | 95.0 | 8 | Chemie (PO4) | |||
| 5 | L, P, Z (B, C, E) | 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID | non-polymer | 238.3 | 3 | Chemie (EPE) | |||
| 6 | W (E) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 7 | AA, BA, CA, DA, EA (A, B, C, D, E) | water | water | 18.0 | 370 | Chemie (HOH) |
Sequence modifications
A: 1 - 183 (UniProt: Q81KC7)
B, C, D, E: 1 - 183 (UniProt: Q81KC7)
| PDB | External Database | Details |
|---|---|---|
| Ser -2 | - | expression tag |
| Asn -1 | - | expression tag |
| Ala 0 | - | expression tag |
| PDB | External Database | Details |
|---|---|---|
| Ser -2 | - | expression tag |
| Asn -1 | - | expression tag |
| Ala 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 105940.6 | |
| Non-Polymers* | Number of molecules | 21 |
| Total formula weight | 1785.5 | |
| All* | Total formula weight | 107726.1 |
