1HW3
STRUCTURE OF HUMAN THYMIDYLATE SYNTHASE SUGGESTS ADVANTAGES OF CHEMOTHERAPY WITH NONCOMPETITIVE INHIBITORS
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 19-ID |
Synchrotron site | APS |
Beamline | 19-ID |
Temperature [K] | 120 |
Detector technology | CCD |
Collection date | 2000-08-25 |
Detector | SBC-1 |
Wavelength(s) | 0.9793 |
Spacegroup name | P 31 2 1 |
Unit cell lengths | 95.824, 95.824, 83.207 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 6.000 - 2.000 |
R-factor | 0.203 * |
Rwork | 0.203 |
R-free | 0.23000 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.009 |
RMSD bond angle | 1.300 |
Data reduction software | d*TREK |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 2.070 |
High resolution limit [Å] | 2.000 | 2.000 |
Rmerge | 0.033 | 0.310 |
Total number of observations | 144310 * | |
Number of reflections | 28819 | |
<I/σ(I)> | 19.5 | |
Completeness [%] | 96.0 | 100 |
Redundancy | 1.9 | 1.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 298 | ammonium sulfate, tris buffer, potassium phosphate, 2-mercaptoethanol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | enzyme | 18 (mg/ml) | |
10 | 1 | reservoir | Tris-HCl | 100 (mM) | |
2 | 1 | drop | EDTA | 1 (mM) | |
3 | 1 | drop | 2-ME | 10 (mM) | |
4 | 1 | drop | 0.1-1 (M) | ||
5 | 1 | drop | imidazole | 100 (mM) | |
6 | 1 | drop | Tris-HCl | 50 (mM) | |
7 | 1 | reservoir | ammonium sulfate | 38-50 (%sat) | |
8 | 1 | reservoir | potassium phosphate | 40 (mM) | |
9 | 1 | reservoir | 2-ME | 20 (mM) |