2IVG

SITE DIRECTED MUTAGENESIS OF KEY RESIDUES INVOLVED IN THE CATALYTIC MECHANISM OF CYANASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.87 Å
  • R-Value Free: 0.188 
  • R-Value Work: 0.145 
  • R-Value Observed: 0.147 

wwPDB Validation   3D Report Full Report


This is version 2.2 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:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
CYANATE LYASE
A, B, C, D, E
A, B, C, D, E, F, G, H, I, J
156Escherichia coliMutation(s): 1 
EC: 4.2.1.104
UniProt
Find proteins for P00816 (Escherichia coli (strain K12))
Explore P00816 
Go to UniProtKB:  P00816
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP00816
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download Ideal Coordinates CCD File 
BA [auth E]
CA [auth E]
DB [auth J]
EB [auth J]
FA [auth F]
BA [auth E],
CA [auth E],
DB [auth J],
EB [auth J],
FA [auth F],
FB [auth J],
GA [auth F],
GB [auth J],
HA [auth F],
IA [auth F],
K [auth A],
LA [auth G],
M [auth B],
MA [auth G],
O [auth C],
P [auth C],
PA [auth H],
QA [auth H],
RA [auth H],
U [auth D],
V [auth D],
VA [auth I],
W [auth D],
WA [auth I],
X [auth D],
XA [auth I],
Y [auth D],
YA [auth I],
ZA [auth I]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
AZI
Query on AZI

Download Ideal Coordinates CCD File 
R [auth C]AZIDE ION
N3
IVRMZWNICZWHMI-UHFFFAOYSA-N
CL
Query on CL

Download Ideal Coordinates CCD File 
AA [auth E]
AB [auth I]
BB [auth J]
CB [auth J]
DA [auth E]
AA [auth E],
AB [auth I],
BB [auth J],
CB [auth J],
DA [auth E],
EA [auth F],
HB [auth J],
JA [auth F],
KA [auth G],
L [auth A],
N [auth B],
NA [auth G],
OA [auth H],
Q [auth C],
S [auth D],
SA [auth H],
T [auth D],
TA [auth I],
UA [auth I],
Z [auth D]
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.87 Å
  • R-Value Free: 0.188 
  • R-Value Work: 0.145 
  • R-Value Observed: 0.147 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 78.392α = 70.69
b = 80.897β = 75.98
c = 81.094γ = 65.15
Software Package:
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2008-10-28
    Type: Initial release
  • Version 1.1: 2011-05-08
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 2.0: 2018-12-19
    Changes: Advisory, Atomic model, Data collection, Derived calculations
  • Version 2.1: 2019-05-08
    Changes: Data collection, Experimental preparation
  • Version 2.2: 2023-12-13
    Changes: Data collection, Database references, Other, Refinement description