4BWZ
Crystal structure of the sodium proton antiporter, NapA
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | NA(+)/H(+) ANTIPORTER | polymer | 394 | 41231.1 | 1 | UniProt (Q72IM4) Pfam (PF00999) | THERMUS THERMOPHILUS | NAPA |
| 2 | B, C (A) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) |
Sequence modifications
A: 1 - 386 (UniProt: Q72IM4)
| PDB | External Database | Details |
|---|---|---|
| Cys 20 | Met 20 | engineered mutation |
| Cys 166 | Val 166 | engineered mutation |
| Cys 326 | Val 326 | engineered mutation |
| Gly 387 | - | expression tag |
| Ser 388 | - | expression tag |
| Glu 389 | - | expression tag |
| Asn 390 | - | expression tag |
| Leu 391 | - | expression tag |
| Tyr 392 | - | expression tag |
| Phe 393 | - | expression tag |
| Gln 394 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 41231.1 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 130.8 | |
| All* | Total formula weight | 41361.9 |
