1QY7
The structure of the PII protein from the cyanobacteria Synechococcus sp. PCC 7942
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C | Nitrogen regulatory protein P-II | polymer | 112 | 12393.3 | 3 | UniProt (P0A3F4) Pfam (PF00543) In PDB | Synechococcus elongatus | PII signal transducing protein, GlnB/PII |
| 2 | A, B, C | SULFATE ION | non-polymer | 96.1 | 6 | Chemie (SO4) | |||
| 3 | A, B, C | NICKEL (II) ION | non-polymer | 58.7 | 3 | Chemie (NI) | |||
| 4 | water | water | 18.0 | 132 | Chemie (HOH) |
Sequence modifications
A, B, C: 1 - 112 (UniProt: P0A3F4)
| PDB | External Database | Details |
|---|---|---|
| Ala 49 | Ser 49 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 37180.0 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 752.5 | |
| All* | Total formula weight | 37932.5 |
