1JYN

E. COLI (lacZ) BETA-GALACTOSIDASE (E537Q) IN COMPLEX WITH LACTOSE

Structural Biology Knowledgebase: 1JYN SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.219
  • R-Value Work: 0.155

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1JYN

Classification: HYDROLASE

Total Structure Weight: 475579.75

Macromolecule Entities
Molecule Chains Length Organism Details
Beta-Galactosidase A, B, C, D 1023 Escherichia coli EC#: 3.2.1.23 IUBMB
Mutation: E537Q
Gene Name(s): lacZ b0344 JW0335

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
LAT
Query on LAT

A, B, C, D BETA-LACTOSE
C12 H22 O11
GUBGYTABKSRVRQ-DCSYEGIMSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
DMS
Query on DMS

A, B, C, D DIMETHYL SULFOXIDE
C2 H6 O S
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, B, C, D MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

A, B, C, D SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.219
  • R-Value Work: 0.155
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 149.55 α = 90.00
b = 168.63 β = 90.00
c = 200.88 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-09-13
  • Released Date: 2001-12-07
  • Deposition author(s): Juers, D.H., Matthews, B.W.

Revision History

  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4