4KI0
Crystal structure of the maltose-binding protein/maltose transporter complex in an outward-facing conformation bound to maltohexaose
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) | ABC transporter related protein | polymer | 381 | 42184.5 | 2 | UniProt (C9QV42) Pfam (PF00005) Pfam (PF08402) UniProt (by SIFTS) (P68187) | Escherichia coli | Maltose ABC-type transport systems, ATP-binding component |
| 2 | C (E) | Maltose-binding periplasmic protein | polymer | 380 | 41898.3 | 1 | UniProt (P0AEX9) Pfam (PF01547) | Escherichia coli | MBP, MMBP, Maltodextrin-binding protein |
| 3 | D (F) | Maltose transport system permease protein MalF | polymer | 514 | 57052.9 | 1 | UniProt (P02916) Pfam (PF20872) Pfam (PF14785) Pfam (PF00528) | Escherichia coli | |
| 4 | E (G) | Binding-protein-dependent transport systems inner membrane component | polymer | 296 | 32246.2 | 1 | UniProt (C9QV46) Pfam (PF00528) UniProt (by SIFTS) (P68183) | 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, I (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) PubChem (888) | |||
| 7 | H, J (A, B) | PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER | non-polymer | 506.2 | 2 | Chemie (ANP) | |||
| 8 | K, N, O, P, Q... (E, F, G) | UNDECYL-MALTOSIDE | non-polymer | 496.6 | 11 | Chemie (UMQ) PubChem (447793) PubChem (5076192) PubChem (44462510) PubChem (46936455) PubChem (70699426) PubChem (70699431) PubChem (70796434) PubChem (71300307) PubChem (124643296) PubChem (58112566) PubChem (59518662) PubChem (68343856) PubChem (70699429) PubChem (70701336) PubChem (70701337) PubChem (70839940) PubChem (70841479) PubChem (70863062) PubChem (71300308) PubChem (89952000) PubChem (92132109) PubChem (126731015) PubChem (126731038) PubChem (126735855) PubChem (126735857) PubChem (131632466) PubChem (169544249) | |||
| 9 | L, M (F) | (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE | non-polymer | 749.0 | 2 | Chemie (PGV) PubChem (5289145) PubChem (21158857) PubChem (73746220) PubChem (162368821) PubChem (163029036) | |||
| 10 | AA, BA, X, Y, Z (F, G, A, B, E) | water | water | 18.0 | 508 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 371 (UniProt: C9QV42)
E: 1 - 370 (UniProt: P0AEX9)
| 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 |
| 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 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 215566.5 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 666.6 | |
| Non-Polymers* | Number of molecules | 17 |
| Total formula weight | 8021.5 | |
| All* | Total formula weight | 224254.6 |
