2X4N
Crystal structure of MHC CLass I HLA-A2.1 bound to residual fragments of a photocleavable peptide that is cleaved upon UV-light treatment
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID23-1 |
Synchrotron site | ESRF |
Beamline | ID23-1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2007-09-06 |
Detector | ADSC CCD |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 62.509, 86.523, 80.003 |
Unit cell angles | 90.00, 90.34, 90.00 |
Refinement procedure
Resolution | 19.806 - 2.340 |
R-factor | 0.2004 |
Rwork | 0.196 |
R-free | 0.27390 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1eey |
RMSD bond length | 0.008 |
RMSD bond angle | 1.317 |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | AMoRE |
Refinement software | PHENIX ((PHENIX.REFINE)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 80.060 | 2.470 |
High resolution limit [Å] | 2.340 | 2.340 |
Rmerge | 0.060 | 0.310 |
Number of reflections | 33198 | |
<I/σ(I)> | 9.02 | 2.47 |
Completeness [%] | 92.4 | 92.7 |
Redundancy | 1.88 | 1.82 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 6.5 | 100 MM MES PH 5.5, 20% PEG 1500. CRYSTALS WERE FROZEN IN 100 MM MES, 30% PEG 1500, 10% GLYCEROL |