1W5O
Stepwise introduction of zinc binding site into porphobilinogen synthase of Pseudomonas aeruginosa (mutations A129C, 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 | 2002-02-18 |
Detector | MARRESEARCH |
Spacegroup name | P 4 21 2 |
Unit cell lengths | 126.991, 126.991, 85.369 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 91.290 - 1.850 |
R-factor | 0.134 |
Rwork | 0.131 |
R-free | 0.17600 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1b4k |
RMSD bond length | 0.025 |
RMSD bond angle | 2.010 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | REFMAC (5.1.24) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 1.880 |
High resolution limit [Å] | 1.850 | 1.850 |
Rmerge | 0.100 | 0.310 |
Number of reflections | 59936 | |
<I/σ(I)> | 29.6 | 9.3 |
Completeness [%] | 99.9 | 100 |
Redundancy | 14.3 | 14.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | SITTING DROP. DROPS WERE MIXED OF 3 MICROLITER OF PROTEIN SOLUTION (7 MG/ML PROTEIN, 50 MM NA-HEPES PH 7.5, 10MM MGCL2, 10MM ZNCL2, 10 MM DTT) PLUS 3 MICROLITER OF RESERVOIR SOLUTION (1M K/NA-TARTRATE, 100MM MES PH 6.0, 20MM BETA-MERCAPTOETHANOLE), 100 MICROLITER OF RESERVOIR SOLUTION, 96 WELL PLATES (NUNC) |