2NXT
Structural and kinetic effects of hydrophobic mutations in the active site of human carbonic anhydrase II
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 22-ID |
Synchrotron site | APS |
Beamline | 22-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2006-03-04 |
Detector | ADSC QUANTUM 210 |
Wavelength(s) | 0.97925 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 42.326, 41.362, 72.274 |
Unit cell angles | 90.00, 104.28, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.150 |
R-factor | 0.161 |
Rwork | 0.161 |
R-free | 0.18600 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1tbt |
RMSD bond angle | 1.350 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 1.190 |
High resolution limit [Å] | 1.150 | 1.150 |
Number of reflections | 85073 | |
Completeness [%] | 99.1 | 96.8 |
Redundancy | 4.2 | 3.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 9 | 293 | 100 mM Tris-Cl pH 9, 1.2 M sodium citrate, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |