1EFA

CRYSTAL STRUCTURE OF THE LAC REPRESSOR DIMER BOUND TO OPERATOR AND THE ANTI-INDUCER ONPF


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.264
  • R-Value Work: 0.247

Literature

Macromolecules
Sequence Display for 1EFA

Classification: TRANSCRIPTION / DNA

Total Structure Weight: 121050.53


Macromolecule Entities
Molecule Chains Length Organism Details
LAC REPRESSOR A, B, C 333 Escherichia coli Fragment: RESIDUES 1-333
Mutation: A109T
Gene Name(s): lacI b0345 JW0336
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Macromolecule Entities
Molecule Chains Length Organism Details
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') D, E 21 synthetic

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
NPF
Query on NPF

A, B, C ORTHONITROPHENYL-BETA-D-FUCOPYRANOSIDE
C12 H15 N O7
SWRPIVXPHLYETN-BVWHHUJWSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.264
  • R-Value Work: 0.247
  • Space Group: H 3 2

Unit Cell:

Length (Å) Angle (°)
a = 251.44 α = 90.00
b = 251.44 β = 90.00
c = 204.79 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-02-07
  • Released Date: 2000-03-06
  • Deposition author(s): Bell, C.E., Lewis, M.

Revision History

  • Version 1_0: 2000-03-06

    Type: Initial release

  • Version 1_1: 2008-04-27

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance

  • Version 1_3: 2011-11-16

    Type: Atomic model