9H3H
Human Carbonic anhydrase II crystallization and structure determination at room temperature in the CrystalChip
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE BM07 |
Synchrotron site | ESRF |
Beamline | BM07 |
Temperature [K] | 293 |
Detector technology | PIXEL |
Collection date | 2024-07-16 |
Detector | DECTRIS PILATUS 6M |
Wavelength(s) | 0.9795 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 42.750, 41.650, 72.850 |
Unit cell angles | 90.00, 104.60, 90.00 |
Refinement procedure
Resolution | 41.370 - 1.800 |
R-factor | 0.1703 |
Rwork | 0.168 |
R-free | 0.21470 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.007 |
RMSD bond angle | 1.092 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | PHASER |
Refinement software | PHENIX (1.18.2_3874) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.850 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.277 | |
Rmeas | 0.322 | |
Number of reflections | 160567 | 11315 |
<I/σ(I)> | 4.04 | 1.18 |
Completeness [%] | 97.7 | 96.7 |
Redundancy | 3.64 | 3.55 |
CC(1/2) | 0.958 | 0.308 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | COUNTER-DIFFUSION | 7.8 | 293 | Protein crystallized by counter-diffusion in the CrystalChip, stock solution 35 mg/mL, in a reservoir containing 50 mM Tris, 1.6 M sodium citrate, at pH 7.8 |