1DMB

REFINED 1.8 ANGSTROMS STRUCTURE REVEALS THE MECHANISM OF BINDING OF A CYCLIC SUGAR, BETA-CYCLODEXTRIN, TO THE MALTODEXTRIN BINDING PROTEIN


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Observed: 0.210

Literature

Macromolecules
Sequence Display for 1DMB

Classification: SUGAR TRANSPORT

Total Structure Weight: 41888.14

Macromolecule Entities
Molecule Chains Length Organism Details
D-MALTODEXTRIN BINDING PROTEIN A 370 Escherichia coli 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 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
BCD
Query on BCD

A BETA-CYCLODEXTRIN
CYCLO-HEPTA-AMYLOSE (Synonym)
C42 H70 O35
WHGYBXFWUBPSRW-FOUAGVGXSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
BCD N/A in BindingDB
Kd: 1800 nM  BindingMOAD
Kd: 1800 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Observed: 0.210
  • Space Group: P 1

Unit Cell:

Length (Å) Angle (°)
a = 38.86 α = 101.50
b = 44.32 β = 99.30
c = 58.31 γ = 102.20

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-06-10
  • Released Date: 1993-10-31
  • Deposition author(s): Sharff, A.J., Quiocho, F.A.

Revision History

  • Version 1_0: 1993-10-31

    Type: Initial release

  • Version 1_1: 2008-03-24

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance