2EZ7
Carbonic anhydrase activators. Activation of isozymes I, II, IV, VA, VII and XIV with L- and D-histidine and crystallographic analysis of their adducts with isoform II: engineering proton transfer processes within the active site of an enzyme
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | OTHER |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-06-08 |
Detector | MARRESEARCH |
Wavelength(s) | 1.5418 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 42.060, 41.430, 72.520 |
Unit cell angles | 90.00, 104.40, 90.00 |
Refinement procedure
Resolution | 8.000 - 2.000 |
R-factor | 0.29 |
Rwork | 0.249 |
R-free | 0.30000 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.002 |
RMSD bond angle | 1.340 |
Data reduction software | MOSFLM |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | CNS (1.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 14.520 | 2.110 |
High resolution limit [Å] | 2.000 | 2.000 |
Number of reflections | 15977 | |
Completeness [%] | 84.0 | 90 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.7 | 275 | 2.4 M ammonium sulphate, tris, HCl 50 mM, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 275K |