5A1A

2.2 A resolution cryo-EM structure of beta-galactosidase in complex with a cell-permeant inhibitor


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.2 Å
  • Aggregation State: Particle
  • Reconstruction Method: Single Particle

Literature

Macromolecules
Sequence Display for 5A1A

Classification: HYDROLASE

Total Structure Weight: 467060.59

Macromolecule Entities
Molecule Chains Length Organism Details
BETA-GALACTOSIDASE A, B, C, D 1022 Escherichia coli EC#: 3.2.1.23 IUBMB
Gene Name(s): lacZ b0344 JW0335
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B, C, D 2-phenylethyl 1-thio-beta-D-galactopyranoside
PETG, (Synonym)
C14 H20 O5 S
ZNAMMSOYKPMPGC-HTOAHKCRSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

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

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

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.2 Å
  • Reconstruction Method: Single Particle

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2015-04-29
  • Released Date: 2015-05-06
  • Deposition author(s): Bartesaghi, A., Merk, A., Banerjee, S., Matthies, D., Wu, X., Milne, J., Subramaniam, S.

Revision History

  • 2015-05-13
    Type: Database references
  • 2015-05-20
    Type: Database references
  • 2015-06-24
    Type: Database references