4QK2
Structural and Catalytic Effects of Proline Substitution and Surface Loop Deletion in the Extended Active Site of Human Carbonic Anhydrase II - E234P
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RUH3R |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Collection date | 2013-10-22 |
| Detector | RIGAKU RAXIS IV++ |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 42.235, 41.082, 71.912 |
| Unit cell angles | 90.00, 104.30, 90.00 |
Refinement procedure
| Resolution | 19.924 - 1.519 |
| R-factor | 0.1599 |
| Rwork | 0.159 |
| R-free | 0.17840 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 3ks3 |
| RMSD bond length | 0.008 |
| RMSD bond angle | 1.215 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | PHASER (2.5.0) |
| Refinement software | PHENIX (1.8.4_1496) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 20.000 | 20.000 | 1.570 |
| High resolution limit [Å] | 1.519 | 3.270 | 1.519 |
| Number of reflections | 33910 | ||
| <I/σ(I)> | 25.8 | 4.4 | |
| Completeness [%] | 91.6 | 97.8 | 86.3 |
| Redundancy | 7.7 | 7.7 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 298 | 1.6 M sodium citrate, 100 mM Tris-HCl, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
