2WN4
Structural Basis for Substrate Recognition in the Enzymatic Component of ADP-ribosyltransferase Toxin CDTa from Clostridium difficile
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | DIAMOND BEAMLINE I02 |
Synchrotron site | Diamond |
Beamline | I02 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2009-01-17 |
Detector | ADSC CCD |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 57.901, 44.523, 78.038 |
Unit cell angles | 90.00, 102.84, 90.00 |
Refinement procedure
Resolution | 38.040 - 1.850 |
R-factor | 0.20176 |
Rwork | 0.200 |
R-free | 0.23906 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1giq |
RMSD bond length | 0.007 |
RMSD bond angle | 0.942 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.4.0066) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.920 |
High resolution limit [Å] | 1.850 | 1.850 |
Rmerge | 0.080 | 0.250 |
Number of reflections | 33361 | |
<I/σ(I)> | 13.12 | 3.86 |
Completeness [%] | 96.0 | 76.3 |
Redundancy | 3.7 | 2.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 8.5 | 0.2M K-THIOCYANATE, 0.1 M TRIS PH 8.5, 20% PEG 2K MME |