4CZD
Sirohaem decarboxylase AhbA/B - an enzyme with structural homology to the Lrp/AsnC transcription factor family that is part of the alternative haem biosynthesis pathway.
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | DIAMOND BEAMLINE I04-1 |
Synchrotron site | Diamond |
Beamline | I04-1 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2013-12-09 |
Detector | DECTRIS PILATUS 2M |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 55.850, 78.620, 151.400 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 69.770 - 2.230 |
R-factor | 0.1994 |
Rwork | 0.198 |
R-free | 0.23550 |
Structure solution method | MAD |
Starting model (for MR) | NONE |
RMSD bond length | 0.010 |
RMSD bond angle | 1.160 |
Data reduction software | XDS |
Data scaling software | Aimless |
Phasing software | SOLVE-RESOLVE |
Refinement software | BUSTER (2.11.2) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 69.800 | 2.290 |
High resolution limit [Å] | 2.230 | 2.230 |
Rmerge | 0.050 | 0.690 |
Number of reflections | 32358 | |
<I/σ(I)> | 13.1 | 2 |
Completeness [%] | 97.6 | 89.6 |
Redundancy | 5 | 3.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 5 | 26% PEG4K, 0.2M AMMONIUM ACETATE, 0.1M NA ACETATE PH 5.0, 0.01M BACL | ||
1 | 5 | 26% PEG4K, 0.2M AMMONIUM ACETATE, 0.1M NA ACETATE PH 5.0, 0.01M BACL |