5BIR
DISECTING HISTIDINE INTERACTIONS IN RIBONUCLEASE T1 USING ASN AND GLN MUTATIONS
Experimental procedure
| Source details | ENRAF-NONIUS |
| Temperature [K] | 293 |
| Detector technology | DIFFRACTOMETER |
| Collection date | 1996-02-20 |
| Detector | ENRAF-NONIUS FAST |
| Spacegroup name | P 41 21 2 |
| Unit cell lengths | 58.390, 58.390, 133.390 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 10.000 - 1.850 * |
| R-factor | 0.193 |
| Rwork | 0.193 |
| R-free | 0.25600 * |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 2aad |
| RMSD bond length | 0.031 |
| RMSD bond angle | 26.800 * |
| Data reduction software | ROTAVATA |
| Data scaling software | CCP4 ((AGROVATA) |
| Phasing software | X-PLOR (3.851) |
| Refinement software | X-PLOR (3.851) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 10.000 | 1.950 |
| High resolution limit [Å] | 1.850 * | 1.850 |
| Rmerge | 0.050 * | 0.038 * |
| Total number of observations | 94960 * | |
| Number of reflections | 19597 * | |
| <I/σ(I)> | 10.1 | 7.2 |
| Completeness [%] | 96.0 | 90.7 |
| Redundancy | 1.3 | 1 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.2 | VAPOR DIFFUSION, HANGING DROP, 20 MG/ML PROTEIN NAOAC BUF. PH 4.2, 0.125 % 2'GMP, 1.25 % CACL2, 47.5 % MPD, vapor diffusion - hanging drop |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 20 (mg/ml) | |
| 2 | 1 | reservoir | 50 (mM) | ||
| 3 | 1 | reservoir | MPD | 47.5 (%) | |
| 4 | 1 | reservoir | 2'-GMP | 0.125 (%) | |
| 5 | 1 | reservoir | 1.25 (%) |
