2HCZ
Crystal structure of EXPB1 (Zea m 1), a beta-expansin and group-1 pollen allergen from maize
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 298 |
Detector technology | IMAGE PLATE |
Collection date | 1998-10-01 |
Detector | RIGAKU RAXIS IV |
Wavelength(s) | 1.5418 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 113.408, 44.512, 69.467 |
Unit cell angles | 90.00, 124.64, 90.00 |
Refinement procedure
Resolution | 29.630 - 2.750 |
R-factor | 0.233 |
Rwork | 0.233 |
R-free | 0.29000 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1n10 |
RMSD bond length | 0.008 |
RMSD bond angle | 1.650 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 100.000 | 2.850 |
High resolution limit [Å] | 2.750 | 2.750 |
Rmerge | 0.079 | 0.402 |
Number of reflections | 7013 | |
<I/σ(I)> | 7.3 | |
Completeness [%] | 93.1 | 96.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.5 | 294 | 15% PEG 4000, 50mM Sodium Acetate and 0.1M Ammonium Sulphate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K |