4KHZ
Crystal structure of the maltose-binding protein/maltose transporter complex in an pre-translocation conformation bound to maltoheptaose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (E) | Maltose-binding periplasmic protein | polymer | 380 | 41898.3 | 1 | UniProt (P0AEX9) Pfam (PF01547) | Escherichia coli | MBP, MMBP, Maltodextrin-binding protein |
| 2 | B (F) | Maltose transport system permease protein MalF | polymer | 514 | 57052.9 | 1 | UniProt (P02916) Pfam (PF20872) Pfam (PF14785) Pfam (PF00528) | Escherichia coli | |
| 3 | C (G) | Binding-protein-dependent transport systems inner membrane component | polymer | 296 | 32246.2 | 1 | UniProt (C9QV46) | Escherichia coli | Part of maltose permease, inner membrane component |
| 4 | D, E (A, B) | Binding-protein-dependent transport systems inner membrane component | polymer | 381 | 42184.5 | 2 | UniProt (C9QV42) | Escherichia coli | Part of maltose permease, inner membrane component |
| 5 | F (C) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 666.6 | 1 | In PDB BIRD (PRD_900010) GlyTouCan (G87171PZ) | alpha-maltotetraose | ||
| 6 | G (D) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 504.4 | 1 | In PDB BIRD (PRD_900009) GlyTouCan (G96370VA) | alpha-maltotriose | ||
| 7 | H (F) | (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE | non-polymer | 749.0 | 1 | Chemie (PGV) | |||
| 8 | I, J, K, L, M (E, F, G, A, B) | water | water | 18.0 | 53 | Chemie (HOH) |
Sequence modifications
E: 1 - 370 (UniProt: P0AEX9)
A, B: 1 - 371 (UniProt: C9QV42)
| PDB | External Database | Details |
|---|---|---|
| Ala 371 | - | expression tag |
| Ser 372 | - | expression tag |
| Ala 373 | - | expression tag |
| Ser 374 | - | expression tag |
| His 375 | - | expression tag |
| His 376 | - | expression tag |
| His 377 | - | expression tag |
| His 378 | - | expression tag |
| His 379 | - | expression tag |
| His 380 | - | expression tag |
| PDB | External Database | Details |
|---|---|---|
| Ala 372 | - | expression tag |
| Ser 373 | - | expression tag |
| Ala 374 | - | expression tag |
| Ser 375 | - | expression tag |
| His 376 | - | expression tag |
| His 377 | - | expression tag |
| His 378 | - | expression tag |
| His 379 | - | expression tag |
| His 380 | - | expression tag |
| His 381 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 215566.5 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1171.0 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 749.0 | |
| All* | Total formula weight | 217486.6 |
