1DQS

CRYSTAL STRUCTURE OF DEHYDROQUINATE SYNTHASE (DHQS) COMPLEXED WITH CARBAPHOSPHONATE, NAD+ AND ZN2+

Structural Biology Knowledgebase: 1DQS SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.224
  • R-Value Work: 0.174

Literature

Macromolecules
Sequence Display for 1DQS

Classification: LYASE

Total Structure Weight: 87967.32

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (3-DEHYDROQUINATE SYNTHASE) A, B 393 Aspergillus nidulans EC#: 4.2.3.4 IUBMB
Fragment: N-TERMINAL DOMAIN OF THE PENTAFUNCTIONAL AROM PROTEIN
Details: DHQS IS A DIMER, WITH ONE NAD+, ONE ZN2+ AND ONE SUBSTRATE ANALOGUE INHIBITOR (CARBAPHOSPHONATE, CRB) BOUND PER MONOMER
Gene Name(s): aromA aroA aroM AN0708
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
NAD
Query on NAD

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

A, B [1R-(1ALPHA,3BETA,4ALPHA,5BETA)]-5-(PHOSPHONOMETHYL)- 1,3,4-TRIHYDROXYCYCLOHEXANE-1-CARBOXYLIC ACID
CARBAPHOSPHONATE (Synonym)
C8 H15 O8 P
BKLICLLAHMTUPK-UNGCPHIMSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A, B ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.224
  • R-Value Work: 0.174
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 67.68 α = 90.00
b = 80.81 β = 90.00
c = 143.51 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-04-09
  • Released Date: 1999-07-26
  • Deposition author(s): Carpenter, E.P., Hawkins, A.R., Frost, J.W., Brown, K.A.

Revision History

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