2IHV
Carboxyethylarginine synthase from Streptomyces clavuligerus: 5-guanidinovaleric acid complex
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SRS BEAMLINE PX10.1 |
Synchrotron site | SRS |
Beamline | PX10.1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-11-10 |
Detector | MAR CCD 225 mm |
Wavelength(s) | 1.488 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 120.744, 128.297, 197.638 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 49.150 - 2.300 |
R-factor | 0.162 |
Rwork | 0.161 |
R-free | 0.19200 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1upa |
RMSD bond length | 0.011 |
RMSD bond angle | 1.253 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | REFMAC (5.2.0019) |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.380 |
High resolution limit [Å] | 2.300 | 2.300 |
Rmerge | 0.115 | 0.347 |
Number of reflections | 131792 | |
<I/σ(I)> | 10.2 | |
Completeness [%] | 96.5 | 89.3 |
Redundancy | 5 | 4.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 290 | 1.6 M (NH4)2SO4, 0.1 M HEPES pH 7.4, 10 mg/mL protein with 3-fold excess of ThDP, VAPOR DIFFUSION, HANGING DROP, temperature 290K |