1XDJ
Crystal Structure of T. maritima Cobalamin-Independent Methionine Synthase complexed with Zn2+ and Homocysteine
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 5ID-B |
Synchrotron site | APS |
Beamline | 5ID-B |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2003-12-05 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.9797 |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 167.053, 159.366, 65.639 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 * - 2.200 |
R-factor | 0.227 |
Rwork | 0.227 |
R-free | 0.26800 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.007 |
RMSD bond angle | 22.500 * |
Data scaling software | SCALEPACK |
Phasing software | EPMR |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 19.900 | 2.340 |
High resolution limit [Å] | 2.200 | 2.200 |
Number of reflections | 83276 | |
Completeness [%] | 92.9 | 87.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Batch method * | 4.6 * | 295 | PEG 4000, SODIUM ACETATE, AMMONIUM SULFATE, pH 5.2, VAPOR BATCH, UNDER OIL, temperature 295K |
1 | Batch method * | 4.6 * | 295 | PEG 4000, SODIUM ACETATE, AMMONIUM SULFATE, pH 5.2, VAPOR BATCH, UNDER OIL, temperature 295K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | 1 | protein | 20 (mg/ml) | |
2 | 1 | 1 | PEG4000 | 25 (%) | |
3 | 1 | 1 | ammonium sulfate | 0.2 (M) | |
4 | 1 | 1 | sodium acetate | 0.1 (M) | pH4.6 |
5 | 1 | 2 | PEG4000 | 12 (%) | |
6 | 1 | 2 | ammonium sulfate | 0.2 (M) | |
7 | 1 | 2 | sodium acetate | 0.1 (M) | pH4.6 |