1DW9

Structure of cyanase reveals that a novel dimeric and decameric arrangement of subunits is required for formation of the enzyme active site


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.189 
  • R-Value Work: 0.150 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structure of Cyanase Reveals that a Novel Dimeric and Decameric Arrangement of Subunits is Required for Formation of the Enzyme Active Site

Walsh, M.A.Otwinowski, Z.Perrakis, A.Anderson, P.M.Joachimiak, A.

(2000) Structure 8: 505

  • Primary Citation of Related Structures:  
  • Also Cited By: 2IVQ, 2IVG, 2IVB, 2IV1, 2IUO, 2IU7

  • PubMed Abstract: 
  • Cyanase is an enzyme found in bacteria and plants that catalyzes the reaction of cyanate with bicarbonate to produce ammonia and carbon dioxide. In Escherichia coli, cyanase is induced from the cyn operon in response to extracellular cyanate. The enz ...

    Cyanase is an enzyme found in bacteria and plants that catalyzes the reaction of cyanate with bicarbonate to produce ammonia and carbon dioxide. In Escherichia coli, cyanase is induced from the cyn operon in response to extracellular cyanate. The enzyme is functionally active as a homodecamer of 17 kDa subunits, and displays half-site binding of substrates or substrate analogs. The enzyme shows no significant amino acid sequence homology with other proteins.


    Related Citations: 
    • Interaction of Mono- and Dianions with Cyanase: Evidence for Apparent Half-Site Binding
      Anderson, P.M.,Johnson, W.V.,Endrizzi, J.A.,Little, R.M.,Korte, J.J.
      (1986) Biochemistry 26: 3938
    • Kinetic Properties of Cyanase
      Anderson, P.M.,Little, R.M.
      (1986) Biochemistry 25: 1621
    • Purification and Properties of the Inducible Enzyme Cyanase
      Anderson, P.M.
      (1980) Biochemistry 19: 2882
    • Characterization of High-Level Expression and Sequencing of the Escherichia Coli K-12 Cyns Gene Encoding Cyanase
      Sung, Y.,Anderson, P.M.,Fuchs, J.A.
      (1987) J.Bacteriol. 169: 5224


    Organizational Affiliation

    Biosciences Division/Structural Biology Center, Argonne National Laboratory, Argonne, IL 60439, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
CYANATE LYASE
A, B, C, D, E, F, G, H, I, J
156Escherichia coli (strain K12)Mutation(s): 0 
Gene Names: cynS (cnt)
EC: 4.2.1.104
Find proteins for P00816 (Escherichia coli (strain K12))
Go to UniProtKB:  P00816
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download SDF File 
Download CCD File 
A, B, C, D, E, F, G, H, I, J
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
CL
Query on CL

Download SDF File 
Download CCD File 
A, B, C, D, E, F, G, H, I, J
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
MSE
Query on MSE
A, B, C, D, E, F, G, H, I, J
L-PEPTIDE LINKINGC5 H11 N O2 SeMET
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.189 
  • R-Value Work: 0.150 
  • Space Group: P 1
Unit Cell:
Length (Å)Angle (°)
a = 76.340α = 70.30
b = 81.030β = 72.20
c = 82.300γ = 66.40
Software Package:
Software NamePurpose
HKL-2000data scaling
HKL-2000data reduction
CNSphasing
REFMACrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2000-05-16
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Atomic model, Version format compliance
  • Version 1.2: 2011-09-28
    Type: Atomic model, Derived calculations, Non-polymer description, Other, Refinement description