4DUV

E. coli (lacZ) beta-galactosidase (G974A) 2-deoxy-galactosyl-enzyme and bis-Tris complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.206 
  • R-Value Work: 0.158 

wwPDB Validation 3D Report Full Report


This is version 1.0 of the entry. See complete history

Literature

The Glucose Acceptor site of lacZ beta-galactosidase for the synthesis of allolactose - the natural inducer of the lac operon

Wheatley, R.W.Lo, S.Janzcewicz, L.J.Dugdale, M.L.Huber, R.E.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Beta-galactosidase
A, B, C, D
1052Escherichia coli (strain K12)Mutation(s): 1 
Gene Names: lacZ
EC: 3.2.1.23
Find proteins for P00722 (Escherichia coli (strain K12))
Go to UniProtKB:  P00722
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
2DG
Query on 2DG

Download SDF File 
Download CCD File 
A, B, C, D
2-DEOXY-BETA-D-GALACTOSE
C6 H12 O5
PMMURAAUARKVCB-ARQDHWQXSA-N
 Ligand Interaction
NA
Query on NA

Download SDF File 
Download CCD File 
A, B, C, D
SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
 Ligand Interaction
MG
Query on MG

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Download CCD File 
A, B, C, D
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
BTB
Query on BTB

Download SDF File 
Download CCD File 
A, B, C, D
2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
BIS-TRIS BUFFER
C8 H19 N O5
OWMVSZAMULFTJU-UHFFFAOYSA-N
 Ligand Interaction
DMS
Query on DMS

Download SDF File 
Download CCD File 
A, B, C, D
DIMETHYL SULFOXIDE
C2 H6 O S
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.206 
  • R-Value Work: 0.158 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 150.570α = 90.00
b = 167.731β = 90.00
c = 201.640γ = 90.00
Software Package:
Software NamePurpose
REFMACrefinement
ADSCdata collection
CNSphasing
CNSrefinement
MOSFLMdata reduction
SCALAdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-04-03
    Type: Initial release