2I9U
Crystal Structure of Guanine Deaminase from C. acetobutylicum with bound guanine 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, B (A, B) | Cytosine/guanine deaminase related protein | polymer | 439 | 49941.2 | 2 | UniProt (Q97MB6) Pfam (PF01979) | Clostridium acetobutylicum | |
| 2 | C, F (A, B) | FE (III) ION | non-polymer | 55.8 | 2 | Chemie (FE) | |||
| 3 | D, G (A, B) | GUANINE | non-polymer | 151.1 | 2 | Chemie (GUN) | |||
| 4 | E (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 420 | Chemie (HOH) |
Sequence modifications
A, B: 5 - 431 (UniProt: Q97MB6)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | initiating methionine |
| Ser 2 | - | cloning artifact |
| Leu 3 | - | cloning artifact |
| Leu 4 | - | cloning artifact |
| Glu 432 | - | cloning artifact |
| Gly 433 | - | cloning artifact |
| His 434 | - | expression tag |
| His 435 | - | expression tag |
| His 436 | - | expression tag |
| His 437 | - | expression tag |
| His 438 | - | expression tag |
| His 439 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 99882.4 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 506.0 | |
| All* | Total formula weight | 100388.5 |
