1FQA

STRUCTURE OF MALTOTETRAITOL BOUND TO OPEN-FORM MALTODEXTRIN BINDING PROTEIN IN P2(1)CRYSTAL FORM

Structural Biology Knowledgebase: 1FQA SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.215
  • R-Value Work: 0.176

Literature

Macromolecules
Sequence Display for 1FQA

Classification: sugar binding protein

Total Structure Weight: 41364.06

Macromolecule Entities
Molecule Chains Length Organism Details
MALTODEXTRIN-BINDING PROTEIN A 370 Escherichia coli Mutation: K1A
Details: COMPLEXED WITH MALTOTETRAITOL
Gene Name(s): malE b4034 JW3994
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: inferred by homology | Group: ALPHA-HELICAL

Subgroup Name: ATP Binding Cassette (ABC) Transporters

Protein Name: MalFGK2-MBP Maltose uptake transporter complex


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

A D-SORBITOL
C6 H14 O6
FBPFZTCFMRRESA-JGWLITMVSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GLC
Query on GLC

A ALPHA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-DVKNGEFBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.215
  • R-Value Work: 0.176
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 43.90 α = 90.00
b = 65.80 β = 101.20
c = 57.80 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-09-04
  • Released Date: 2001-03-14
  • Deposition author(s): Duan, X., Hall, J.A., Nikaido, H., Quiocho, F.A.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4