1ZM8
Apo Crystal structure of Nuclease A from Anabaena sp.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Nuclease | polymer | 259 | 28542.9 | 1 | UniProt (P38446) Pfam (PF01223) | Anabaena sp. | Endonuclease |
| 2 | B, C, D (A) | MANGANESE (II) ION | non-polymer | 54.9 | 3 | Chemie (MN) | |||
| 3 | E, F (A) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 4 | G (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 5 | H (A) | water | water | 18.0 | 145 | Chemie (HOH) |
Sequence modifications
A: 25 - 274 (UniProt: P38446)
| PDB | External Database | Details |
|---|---|---|
| Met 16 | - | cloning artifact |
| Ala 17 | - | cloning artifact |
| His 18 | - | expression tag |
| His 19 | - | expression tag |
| His 20 | - | expression tag |
| His 21 | - | expression tag |
| His 22 | - | expression tag |
| His 23 | - | expression tag |
| Met 24 | - | cloning artifact |
| Ala 121 | Asp 121 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 28542.9 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 379.9 | |
| All* | Total formula weight | 28922.8 |
