1EFA
CRYSTAL STRUCTURE OF THE LAC REPRESSOR DIMER BOUND TO OPERATOR AND THE ANTI-INDUCER ONPF
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B (D, E) | DNA (5'-D(*GP*AP*AP*T*TP*GP*TP*GP*AP*GP*CP*GP*CP*TP*CP*AP*CP*AP*AP*TP*T)-3') | polymer | 21 | 6462.2 | 2 | |||
2 | C, D, E (A, B, C) | LAC REPRESSOR | polymer | 333 | 35756.8 | 3 | UniProt (P03023) Pfam (PF00356) Pfam (PF13377) | Escherichia coli | |
3 | F, G, H (A, B, C) | 2-nitrophenyl beta-D-fucopyranoside | non-polymer | 285.3 | 3 | Chemie (NPF) | |||
4 | I, J, K (A, B, C) | water | water | 18.0 | 62 | Chemie (HOH) |
Sequence modifications
A, B, C: 1 - 333 (UniProt: P03023)
PDB | External Database | Details |
---|---|---|
Thr 109 | Ala 109 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 5 |
Total formula weight | 120194.8 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 855.8 | |
All* | Total formula weight | 121050.5 |