4AFF
High resolution structure of a PII mutant (I86N) protein in complex with ATP, MG and FLC
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | NITROGEN REGULATORY PROTEIN P-II | polymer | 116 | 12841.7 | 1 | UniProt (P0A3F5) Pfam (PF00543) UniProt (by SIFTS) (P0A3F4) | SYNECHOCOCCUS ELONGATUS | PII SIGNAL TRANSDUCING PROTEIN |
| 2 | B (A) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 1 | Chemie (ATP) | |||
| 3 | C (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | D (A) | CITRATE ANION | non-polymer | 189.1 | 1 | Chemie (FLC) | |||
| 5 | E (A) | water | water | 18.0 | 130 | Chemie (HOH) |
Sequence modifications
A: 1 - 112 (UniProt: P0A3F5)
| PDB | External Database | Details |
|---|---|---|
| Ser 113 | - | expression tag |
| Ala 114 | - | expression tag |
| Trp 115 | - | expression tag |
| Ser 116 | - | expression tag |
| Asn 86 | Ile 86 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 12841.7 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 720.6 | |
| All* | Total formula weight | 13562.3 |






