4U4T
Structure of a nitrate/nitrite antiporter NarK in nitrate-bound inward-open state
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Nitrate/nitrite transporter NarK | polymer | 475 | 51052.5 | 1 | UniProt (P10903) Pfam (PF07690) | Escherichia coli str. K12 substr. MG1655 | Nitrite extrusion protein 1, Nitrite facilitator 1 |
| 2 | B (A) | NITRATE ION | non-polymer | 62.0 | 1 | Chemie (NO3) | |||
| 3 | C (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 4 | D, E (A) | OLEIC ACID | non-polymer | 282.5 | 2 | Chemie (OLA) | |||
| 5 | F, G, H, I, J (A) | (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate | non-polymer | 356.5 | 5 | Chemie (OLC) | |||
| 6 | K (A) | water | water | 18.0 | 31 | Chemie (HOH) |
Sequence modifications
A: 1 - 463 (UniProt: P10903)
| PDB | External Database | Details |
|---|---|---|
| Leu 464 | - | expression tag |
| Glu 465 | - | expression tag |
| Ser 466 | - | expression tag |
| Ser 467 | - | expression tag |
| Gly 468 | - | expression tag |
| Glu 469 | - | expression tag |
| Asn 470 | - | expression tag |
| Leu 471 | - | expression tag |
| Tyr 472 | - | expression tag |
| Phe 473 | - | expression tag |
| Gln 474 | - | expression tag |
| Gly 475 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 51052.5 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 2475.0 | |
| All* | Total formula weight | 53527.5 |
