4GW2
Crystal structure of arginine kinase in complex with L-ornithine, MgADP, and nitrate.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Arginine kinase | polymer | 357 | 40249.8 | 1 | UniProt (P51541) Pfam (PF02807) Pfam (PF00217) In PDB | Limulus polyphemus (Atlantic horseshoe crab) | AK |
| 2 | A | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 1 | Chemie (ADP) | |||
| 3 | A | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | A | L-ornithine | non-polymer | 132.2 | 1 | Chemie (ORN) | |||
| 5 | A | NITRATE ION | non-polymer | 62.0 | 1 | Chemie (NO3) | |||
| 6 | water | water | 18.0 | 239 | Chemie (HOH) |
Sequence modifications
A: 1 - 357 (UniProt: P51541)
| PDB | External Database | Details |
|---|---|---|
| Gln 103 | Glu 103 | engineered mutation |
| Gly 112 | Asp 112 | engineered mutation |
| Ala 116 | Gly 116 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 40249.8 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 645.7 | |
| All* | Total formula weight | 40895.4 |
