2IUO

Site Directed Mutagenesis of Key Residues Involved in the Catalytic Mechanism of Cyanase


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.208 
  • R-Value Work: 0.149 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

A Twin Set of Low Pka Arginines Ensures the Concerted Acid Base Catalytic Mechanism of Cyanase

Guilloton, M.Walsh, M.A.Joachimiak, A.Anderson, P.M.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
CYANATE HYDRATASE
A, B, C, D, E, F, G, H, I, J
156Escherichia coli (strain K12)Mutation(s): 1 
Gene Names: cynS (cnt)
EC: 4.2.1.104
Find proteins for P00816 (Escherichia coli (strain K12))
Go to UniProtKB:  P00816
Small Molecules
Ligands 4 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
BR
Query on BR

Download SDF File 
Download CCD File 
A, B, C, D, E, F, G, H, I, J
BROMIDE ION
Br
CPELXLSAUQHCOX-UHFFFAOYSA-M
 Ligand Interaction
AZI
Query on AZI

Download SDF File 
Download CCD File 
B
AZIDE ION
N3
IVRMZWNICZWHMI-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.208 
  • R-Value Work: 0.149 
  • Space Group: P 1
Unit Cell:
Length (Å)Angle (°)
a = 76.600α = 70.02
b = 80.750β = 71.81
c = 82.280γ = 66.34
Software Package:
Software NamePurpose
DENZOdata reduction
AMoREphasing
REFMACrefinement
SCALEPACKdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2006-06-08
    Type: Initial release
  • Version 1.1: 2014-02-05
    Type: Database references, Derived calculations, Non-polymer description, Other, Structure summary, Version format compliance