6EKP
Tryptophan Repressor TrpR from E.coli variant T44L T81M S88Y with Indole-3-acetic acid as ligand
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Trp operon repressor | polymer | 116 | 13559.5 | 2 | UniProt (P0A881) Pfam (PF01371) In PDB | Escherichia coli (strain K12) | |
2 | A, B | 1H-INDOL-3-YLACETIC ACID | non-polymer | 175.2 | 2 | Chemie (IAC) | |||
3 | A | 3,6,9,12,15-PENTAOXAHEPTADECANE | non-polymer | 250.3 | 1 | Chemie (P3G) | |||
4 | water | water | 18.0 | 250 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 108 (UniProt: P0A881)
PDB | External Database | Details |
---|---|---|
Leu 44 | Thr 44 | engineered mutation |
Met 81 | Thr 81 | engineered mutation |
Tyr 88 | Ser 88 | engineered mutation |
Leu 109 | - | expression tag |
Glu 110 | - | expression tag |
His 111 | - | expression tag |
His 112 | - | expression tag |
His 113 | - | expression tag |
His 114 | - | expression tag |
His 115 | - | expression tag |
His 116 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 27119.0 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 600.7 | |
All* | Total formula weight | 27719.8 |