4AM8
Crystal structure of the R54G mutant of putrescine transcarbamylase from Enterococcus faecalis bound to a curing guanidinium ion
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID23-2 |
Synchrotron site | ESRF |
Beamline | ID23-2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-09-19 |
Detector | MARMOSAIC 225 mm CCD |
Spacegroup name | I 1 2 1 |
Unit cell lengths | 103.690, 130.600, 164.157 |
Unit cell angles | 90.00, 104.25, 90.00 |
Refinement procedure
Resolution | 25.000 - 1.990 |
R-factor | 0.18335 |
Rwork | 0.182 |
R-free | 0.20571 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4a8p |
RMSD bond length | 0.007 |
RMSD bond angle | 1.108 |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | MOLREP |
Refinement software | REFMAC (5.6.0117) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 41.000 | 30.000 |
High resolution limit [Å] | 1.990 | 2.000 |
Rmerge | 0.070 | 0.340 |
Number of reflections | 130385 | |
<I/σ(I)> | 8.6 | 2 |
Completeness [%] | 90.0 | 82 |
Redundancy | 3.8 | 3.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 7.5 | 0.02 M MAGNESIUM CHLORIDE, 30 % PEG 550 MONOMETHYLETHER, 0.1 M HEPES PH 7.5, 0.001 M PALO, 0.05 M GUANIDINIUM CHLORIDE |