4PFT
Crystal structure of mannobiose bound oligopeptide ABC transporter, periplasmic oligopeptide-binding protein (TM1223) from THERMOTOGA MARITIMA at 1.75 A resolution
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 substrate-binding protein | polymer | 544 | 62881.1 | 2 | UniProt (Q9X0V0) Pfam (PF00496) | Thermotoga maritima | Mannoside ABC transport system,sugar-binding protein,Oligopeptide ABC transporter,periplasmic oligopeptide-binding protein |
| 2 | C, D (C, D) | beta-D-mannopyranose-(1-4)-beta-D-mannopyranose | branched | 342.3 | 2 | In PDB BIRD (PRD_900115) GlyTouCan (G78317QO) | 4beta-beta-mannobiose | ||
| 3 | E, G (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 4 | F, H, I (A, B) | NITRATE ION | non-polymer | 62.0 | 3 | Chemie (NO3) | |||
| 5 | J, K (A, B) | water | water | 18.0 | 1248 | Chemie (HOH) |
Sequence modifications
A, B: 21 - 557 (UniProt: Q9X0V0)
| PDB | External Database | Details |
|---|---|---|
| Met 20 | - | initiating methionine |
| His 558 | - | expression tag |
| His 559 | - | expression tag |
| His 560 | - | expression tag |
| His 561 | - | expression tag |
| His 562 | - | expression tag |
| His 563 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 125762.1 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 684.6 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 234.6 | |
| All* | Total formula weight | 126681.4 |
