4WKG
The crystal structure of apo ArnA features an unexpected central binding pocket and provides an explanation for enzymatic coop-erativity
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, D, E... | Bifunctional polymyxin resistance protein ArnA | polymer | 660 | 74385.8 | 6 | UniProt (P77398) Pfam (PF00551) Pfam (PF02911) Pfam (PF01370) In PDB | Escherichia coli | Polymyxin resistance protein PmrI |
| 2 | A, D | 2,3-DIHYDROXY-1,4-DITHIOBUTANE | non-polymer | 154.3 | 2 | Chemie (DTT) | |||
| 3 | A, F | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 4 | water | water | 18.0 | 9 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 446314.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 426.6 | |
| All* | Total formula weight | 446741.2 |
