5KQT
Directed Evolution of Transaminases By Ancestral Reconstruction. Using Old Proteins for New Chemistries
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | AUSTRALIAN SYNCHROTRON BEAMLINE MX2 |
Synchrotron site | Australian Synchrotron |
Beamline | MX2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2013-05-09 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 0.9537 |
Spacegroup name | P 65 2 2 |
Unit cell lengths | 66.346, 66.346, 343.314 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 47.800 - 1.990 |
R-factor | 0.19778 |
Rwork | 0.196 |
R-free | 0.23695 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3gju |
RMSD bond length | 0.009 |
RMSD bond angle | 1.389 |
Data reduction software | XDS |
Data scaling software | Aimless |
Phasing software | PHASER |
Refinement software | REFMAC (5.8.0155) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 47.800 | 2.100 |
High resolution limit [Å] | 1.990 | 1.990 |
Rmerge | 0.136 | 0.720 |
Number of reflections | 32214 | |
<I/σ(I)> | 17.6 | 4.9 |
Completeness [%] | 99.9 | 99.3 |
Redundancy | 20.7 | 20.7 |
CC(1/2) | 0.998 | 0.910 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.8 | 293 | 150 nL plus 150 nL drops of protein at 5 mg/mL and reservoir which consisted of 1.6 M ammonium sulfate, 1% dioxane, 50 mM MES pH 6.8 |