4OAA

Crystal structure of E. coli lactose permease G46W,G262W bound to sugar

Structural Biology Knowledgebase: 4OAA SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.5 Å
  • R-Value Free: 0.293
  • R-Value Work: 0.257

Literature

Macromolecules
Sequence Display for 4OAA

Classification: TRANSPORT PROTEIN

Total Structure Weight: 94296.16

Macromolecule Entities
Molecule Chains Length Organism Details
Lactose/galactose transporter A, B 417 Escherichia coli Mutation: G46W, G262W
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Major Facilitator Superfamily (MFS) Transporters

Protein Name: LacY Lactose Permease Transporter (C154G mutant)


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

A, B THIODIGALACTOSIDE
C12 H22 O10 S
SYKYBMOFPMXDRQ-ZFDCCPEWSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.5 Å
  • R-Value Free: 0.293
  • R-Value Work: 0.257
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 101.56 α = 90.00
b = 121.94 β = 90.00
c = 264.01 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2014-01-03
  • Released Date: 2014-01-29
  • Deposition author(s): Kumar, H., Kasho, V., Smirnova, I., Finer-Moore, J., Kaback, H.R., Stroud, R.M.

Revision History

  • 2014-02-26
    Type: Citation | Details: Citation update