1AC6
CRYSTAL STRUCTURE OF A VARIABLE DOMAIN MUTANT OF A T-CELL RECEPTOR ALPHA CHAIN
Experimental procedure
Source type | ROTATING ANODE |
Source details | RIGAKU RUH2R |
Temperature [K] | 293 |
Detector technology | AREA DETECTOR |
Collection date | 1995-11 |
Detector | SIEMENS |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 72.430, 64.820, 45.540 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 8.000 - 2.300 |
R-factor | 0.161 |
Rwork | 0.161 |
R-free | 0.27900 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | VALPHA WILDTYPE HOMODIMER STRUCTURE OF 1934.4 TCR |
RMSD bond length | 0.011 |
RMSD bond angle | 26.800 * |
Data reduction software | XENGEN21 |
Data scaling software | XENGEN (V. 2.1) |
Phasing software | AMoRE |
Refinement software | X-PLOR (3.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 26.410 | 2.370 |
High resolution limit [Å] | 2.120 | 2.300 |
Rmerge | 0.105 | 0.406 |
Total number of observations | 26767 * | |
Number of reflections | 9957 | |
<I/σ(I)> | 6 | 1.38 |
Completeness [%] | 78.2 | 72.7 * |
Redundancy | 3 | 2.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.7 | PROTEIN WAS CRYSTALLIZED FROM 5.0M SODIUM FORMATE, PH 7.7 IN HANGING DROPS AT ROOM TEMPERATURE., vapor diffusion - hanging drop |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 3.5 (mg/ml) | |
2 | 1 | drop | sodium formate | 2.50 (M) | |
3 | 1 | reservoir | sodium formate | 5.0 (M) |