1EMD

CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF ESCHERICHIA COLI MALATE DEHYDROGENASE, CITRATE AND NAD AT 1.9 ANGSTROMS RESOLUTION


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Observed: 0.195

Literature

Macromolecules
Sequence Display for 1EMD

Classification: OXIDOREDUCTASE(NAD(A)-CHOH(D))

Total Structure Weight: 33308.86

Macromolecule Entities
Molecule Chains Length Organism Details
MALATE DEHYDROGENASE A 312 Escherichia coli EC#: 1.1.1.37 IUBMB
Mutation: A80R, E307Q
Gene Name(s): mdh b3236 JW3205
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A NICOTINAMIDE-ADENINE-DINUCLEOTIDE
C21 H27 N7 O14 P2
BAWFJGJZGIEFAR-NNYOXOHSSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CIT
Query on CIT

A CITRIC ACID
C6 H8 O7
KRKNYBCHXYNGOX-UHFFFAOYSA-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 Observed: 0.195
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 116.80 α = 90.00
b = 43.05 β = 130.10
c = 83.74 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-03-25
  • Released Date: 1993-10-31
  • Deposition author(s): Hall, M.D., Banaszak, L.J.

Revision History

  • Version 1_0: 1993-10-31

    Type: Initial release

  • Version 1_1: 2008-03-03

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance