4QGO
Crystal structure of NucA from Streptococcus agalactiae with no metal bound
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) | DNA-entry nuclease (Competence-specific nuclease) | polymer | 225 | 25239.6 | 2 | UniProt (R5A2Y6) | Streptococcus agalactiae ILRI112 | |
| 2 | C, D, E, F, G... (A, B) | SULFATE ION | non-polymer | 96.1 | 9 | Chemie (SO4) | |||
| 3 | H, J, P, Q (A, B) | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
| 4 | I, O (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 2 | Chemie (EDO) | |||
| 5 | R, S (A, B) | water | water | 18.0 | 653 | Chemie (HOH) |
Sequence modifications
A, B: 42 - 261 (UniProt: R5A2Y6)
| PDB | External Database | Details |
|---|---|---|
| Gly 37 | - | expression tag |
| Ser 38 | - | expression tag |
| Ala 39 | - | expression tag |
| Ala 40 | - | expression tag |
| Ala 41 | - | expression tag |
| Ala 148 | His 148 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 50479.2 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 1130.5 | |
| All* | Total formula weight | 51609.7 |
