4L2Z
Crystal structure of S-Adenosylmethionine synthetase from Sulfolobus solfataricus complexed with SAE and PPi
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 21-ID-F |
Synchrotron site | APS |
Beamline | 21-ID-F |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-12-13 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.97872 |
Spacegroup name | P 65 2 2 |
Unit cell lengths | 151.597, 151.597, 226.125 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 38.837 - 2.494 |
R-factor | 0.1607 |
Rwork | 0.160 |
R-free | 0.18430 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4hpv |
RMSD bond length | 0.007 |
RMSD bond angle | 0.932 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | PHENIX (1.8.2_1309) |
Refinement software | PHENIX (1.8.2_1309) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 2.540 |
High resolution limit [Å] | 2.500 | 6.780 | 2.500 |
Rmerge | 0.184 | 0.084 | 0.889 |
Number of reflections | 53118 | ||
<I/σ(I)> | 5.2 | ||
Completeness [%] | 100.0 | 99.9 | 100 |
Redundancy | 20.7 | 18.7 | 20.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 298 | Protein Solution (9.0 mg/ml protein in 25mM Tris pH 8.0, 5mM ADP, 10mM Ethione, 10mM MgCl2, 50mM KCl and 5mM DTT) mixed in a 1:1 ratio with the well solution (1.4M Sodium phosphate monobasic monohydrate / Potassium phosphate dibasic, pH 5.6) Cryoprotected with 25% DMSO, VAPOR DIFFUSION, SITTING DROP, temperature 298K |