1Z9W
Tetrameric structure of apo-7,8-Dihydroneopterin Aldolase from Mycobacterium tuberculosis
Replaces: 1R7KExperimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X8C |
Synchrotron site | NSLS |
Beamline | X8C |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2003-04-08 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.9786 |
Spacegroup name | I 4 |
Unit cell lengths | 72.957, 72.957, 42.868 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 51.570 - 2.500 |
R-factor | 0.18441 |
Rwork | 0.179 |
R-free | 0.23429 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1nbu |
RMSD bond length | 0.018 |
RMSD bond angle | 2.261 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | EPMR |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 100.000 | 3.000 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.078 | 0.371 |
Number of reflections | 3990 | |
<I/σ(I)> | 31.3 | 7.6 |
Completeness [%] | 99.0 | 100 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.6 | 300 | PEG 4000, SODIUM ACETATE, PH 4.6, pH 7.60, VAPOR DIFFUSION, HANGING DROP, temperature 300K |