3QU7
Crystal structure of pyrophosphatase from bacteroides thetaiotaomicron, asp13asn mutant complexed with calcium and phosphate
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X29A |
Synchrotron site | NSLS |
Beamline | X29A |
Temperature [K] | 90 |
Detector technology | CCD |
Collection date | 2009-11-10 |
Detector | ADSC QUANTUM 315 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 72.549, 136.865, 114.834 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.900 |
R-factor | 0.191 |
Rwork | 0.190 |
R-free | 0.22600 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3qu2 |
RMSD bond length | 0.009 |
RMSD bond angle | 1.202 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | REFMAC (5.3.0034) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.000 |
High resolution limit [Å] | 1.900 | 1.900 |
Rmerge | 0.680 | |
Number of reflections | 45325 | |
<I/σ(I)> | 7.7 | 2 |
Completeness [%] | 99.8 | 99.5 |
Redundancy | 6.1 | 5.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 4.5 | 294 | 0.1M SODIUM ACETATE, PH 4.5, 30% PEG400, 200MM CALCIUM ACETATE, 5MM MAGNESIUM CHLORIDE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K |