4WR3
Y274F alanine racemase from E. coli
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU MICROMAX-007 HF |
Temperature [K] | 110 |
Detector technology | IMAGE PLATE |
Collection date | 2014-10-17 |
Detector | MAR scanner 345 mm plate |
Wavelength(s) | 1.5418 |
Spacegroup name | P 6 |
Unit cell lengths | 148.079, 148.079, 163.689 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 19.720 - 1.900 |
R-factor | 0.17686 |
Rwork | 0.175 |
R-free | 0.20371 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2rjg |
RMSD bond length | 0.008 |
RMSD bond angle | 1.349 |
Refinement software | REFMAC (5.8.0071) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 19.720 | 1.900 |
High resolution limit [Å] | 1.860 | 1.860 |
Number of reflections | 168143 | |
<I/σ(I)> | 18.5 | 1.9 |
Completeness [%] | 99.6 | 93.8 |
Redundancy | 22.1 | 16.4 |
CC(1/2) | 0.998 | 0.632 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 291 | 0.1 M HEPES pH 7.0, 1.6 M ammonium sulfate |