1JVN
CRYSTAL STRUCTURE OF IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE: A TUNNEL THROUGH A (BETA/ALPHA)8 BARREL JOINS TWO ACTIVE SITES
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | BIFUNCTIONAL HISTIDINE BIOSYNTHESIS PROTEIN HISHF | polymer | 555 | 61564.3 | 2 | UniProt (P33734) Pfam (PF00117) Pfam (PF00977) | Saccharomyces cerevisiae (baker's yeast) | IMIDAZOLE GLYCEROPHOSPHATE SYNTHASE; GLUTAMINE AMIDOTRANSFERASE:CYCLASE; HIS7P; CYCLASE HIS7; AMIDOTRANSFERASE HIS7 |
| 2 | C, G (A, B) | NICKEL (II) ION | non-polymer | 58.7 | 2 | Chemie (NI) | |||
| 3 | D, E, F, H, I (A, B) | SULFATE ION | non-polymer | 96.1 | 5 | Chemie (SO4) | |||
| 4 | J (B) | PYROPHOSPHATE 2- | non-polymer | 176.0 | 1 | Chemie (POP) | |||
| 5 | K, L (A, B) | water | water | 18.0 | 412 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 552 (UniProt: P33734)
| PDB | External Database | Details |
|---|---|---|
| Gly -3 | - | expression tag |
| Ser -2 | - | expression tag |
| His -1 | - | expression tag |
| 143 83 | Cys 83 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 123128.5 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 773.7 | |
| All* | Total formula weight | 123902.2 |
