4KWT
Crystal structure of unliganded anabolic ornithine carbamoyltransferase from Vibrio vulnificus at 1.86 A resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 21-ID-G |
Synchrotron site | APS |
Beamline | 21-ID-G |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-06-21 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 0.97856 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 77.810, 82.650, 150.908 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 35.500 - 1.860 |
R-factor | 0.1613 |
Rwork | 0.160 |
R-free | 0.19520 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4h31 |
RMSD bond length | 0.019 |
RMSD bond angle | 1.738 |
Data reduction software | HKL-3000 |
Data scaling software | SCALEPACK |
Phasing software | MOLREP |
Refinement software | REFMAC |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 1.890 |
High resolution limit [Å] | 1.860 | 5.050 | 1.860 |
Rmerge | 0.075 | 0.042 | 0.968 |
Number of reflections | 81196 | ||
<I/σ(I)> | 35.1 | 2.1 | |
Completeness [%] | 98.3 | 92.9 | 99.2 |
Redundancy | 5.6 | 5.4 | 5.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 289 | Protein: 10 mg/ml in 10 mM Tris-HCl pH 8.3, 60 mM Arginine, 500 mM NaCl and 5 mM b-mercaptoethanol. Crystallization condition: 0.1M Bis-Tris pH 6.5, 23% w/v PEG 3350, 0.2M Lithium Sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 289K |