3NUH
A domain insertion in E. coli GyrB adopts a novel fold that plays a critical role in gyrase function
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | DNA gyrase subunit A | polymer | 525 | 59658.8 | 1 | UniProt (P0AES4) Pfam (PF00521) In PDB | Escherichia coli | hisW, nalA, parD |
| 2 | B | DNA gyrase subunit B | polymer | 420 | 48226.7 | 1 | UniProt (P0AES6) Pfam (PF01751) Pfam (PF21249) Pfam (PF18053) Pfam (PF00986) In PDB | Escherichia coli | acrB, himB, hisU, nalC, parA, pcbA |
| 3 | A | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 4 | water | water | 18.0 | 9 | Chemie (HOH) |
Sequence modifications
B: 389 - 804 (UniProt: P0AES6)
| PDB | External Database | Details |
|---|---|---|
| Ser 385 | - | expression tag |
| Asn 386 | - | expression tag |
| Ala 387 | - | expression tag |
| Ala 388 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 107885.6 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 48.6 | |
| All* | Total formula weight | 107934.2 |
