1W5N
Stepwise introduction of zinc binding site into porphobilinogen synthase of Pseudomonas aeruginosa (mutations D131C and D139C)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | MPG/DESY, HAMBURG BEAMLINE BW6 |
Synchrotron site | MPG/DESY, HAMBURG |
Beamline | BW6 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2002-08-21 |
Detector | MARRESEARCH |
Spacegroup name | P 4 21 2 |
Unit cell lengths | 125.322, 125.322, 85.795 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 87.710 - 1.650 |
R-factor | 0.152 |
Rwork | 0.151 |
R-free | 0.18800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1b4k |
RMSD bond length | 0.026 |
RMSD bond angle | 2.105 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 1.710 |
High resolution limit [Å] | 1.650 | 1.650 |
Rmerge | 0.050 | 0.360 |
Number of reflections | 81768 | |
<I/σ(I)> | 20.5 | 3.1 |
Completeness [%] | 99.4 | 99 |
Redundancy | 5.4 | 5.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | HANGING DROP. DROPS WERE MIXED OF 5 MICROLITER OF PROTEIN SOLUTION (9 MG/ML PROTEIN, 50 MM NA-HEPES PH 7.5, 10MM MGCL2, 10MM ZNCL2, 10 MM BETA-MERCAPTOETHANOLE) PLUS 5 MICROLITER OF RESERVOIR SOLUTION (30.0 % (W/V) PEG 400, 100MM NA-HEPES PH 7.5, 40 MM MGCL2, 20MM BETA-MERCAPTOETHANOLE) ON GLASS COVER SLIDES, HANGING ABOVE 500 MICROLITER OF RESERVOIR SOLUTION. |