9NQJ
Cryo-EM structure of a bacterial prototype ATP-binding cassette transporter MalFGK2.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Maltose/maltodextrin import ATP-binding protein MalK | polymer | 371 | 40979.2 | 2 | UniProt (P68187) Pfam (PF00005) Pfam (PF08402) | Escherichia coli K-12 | |
| 2 | C (F) | Maltose/maltodextrin transport system permease protein MalF | polymer | 514 | 57052.9 | 1 | UniProt (P02916) Pfam (PF20872) Pfam (PF14785) Pfam (PF00528) | Escherichia coli K-12 | |
| 3 | D (G) | Maltose/maltodextrin transport system permease protein MalG | polymer | 296 | 32246.2 | 1 | UniProt (P68183) Pfam (PF00528) | Escherichia coli K-12 | |
| 4 | E, J (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 5 | F, H (A) | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 2 | Chemie (ADP) | |||
| 6 | G, I (A) | VANADATE ION | non-polymer | 114.9 | 2 | Chemie (VO4) |
Sequence modifications
A, B: 2 - 371 (UniProt: P68187)
| PDB | External Database | Details |
|---|---|---|
| Ala 372 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 171257.6 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1132.9 | |
| All* | Total formula weight | 172390.5 |






