4XDX
The crystal structure of soluble human interleukin 8 expressed in Pichia pastoris
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X6A |
Synchrotron site | NSLS |
Beamline | X6A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2009-08-21 |
Detector | ADSC QUANTUM 270 |
Wavelength(s) | 0.806 |
Spacegroup name | P 31 2 1 |
Unit cell lengths | 40.093, 40.093, 89.269 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 7.939 - 0.950 |
R-factor | 0.1216 |
Rwork | 0.121 |
R-free | 0.13560 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3il8 |
RMSD bond length | 0.025 |
RMSD bond angle | 2.132 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | PHENIX ((phenix.refine: 1.9_1692)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 8.000 | 0.970 |
High resolution limit [Å] | 0.950 | 0.950 |
Rmerge | 0.050 | 0.743 |
Number of reflections | 52929 | |
<I/σ(I)> | 37.81 | 2.3 |
Completeness [%] | 99.5 | 100 |
Redundancy | 8.7 | 8.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 291 | 0.17 M Ammonium acetate, 0.085 M Sodium citrate tribasic dihydrate pH 5.6, 20% w/v Polyethylene glycol 4,000, 15% v/v Glycerol |