2X70
Crystal structure of MHC CLass I HLA-A2.1 bound to a photocleavable peptide
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 QUANTUM 315r |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 61.979, 81.801, 79.706 |
Unit cell angles | 90.00, 90.77, 90.00 |
Refinement procedure
Resolution | 19.925 - 2.000 |
R-factor | 0.1623 |
Rwork | 0.159 |
R-free | 0.22490 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1eey |
RMSD bond length | 0.004 |
RMSD bond angle | 1.245 |
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] | 81.920 | 2.110 |
High resolution limit [Å] | 2.000 | 2.000 |
Rmerge | 0.050 | 0.220 |
Number of reflections | 53033 | |
<I/σ(I)> | 9.8 | 2.9 |
Completeness [%] | 97.2 | 97.2 |
Redundancy | 2.3 | 2.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | VAPOUR DIFFUSION HANGING DROP AT 293K: 2 MICROLITER OF 5 MG/ML PROTEIN IN 0.1 M MES PH 6.0 WAS MIXED WITH 2 MICROLITER OF 0.1 M MES PH 6.5, 20-22% PEG 1500. SEEDING WAS USED TO GET BIGGER CRYSTALS |