3QXV
Structure of an Anti-Methotrexate CDR1-4 Graft VHH Antibody in Complex with Methotrexate
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 22-BM |
Synchrotron site | APS |
Beamline | 22-BM |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-07-12 |
Detector | MAR 225 |
Wavelength(s) | 0.979 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 43.669, 57.605, 131.136 |
Unit cell angles | 90.00, 90.27, 90.00 |
Refinement procedure
Resolution | 20.000 - 2.500 |
R-factor | 0.23209 |
Rwork | 0.230 |
R-free | 0.27855 |
Structure solution method | MIR |
RMSD bond length | 0.015 |
RMSD bond angle | 1.518 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | REFMAC (5.5.0102) |
Data quality characteristics
Overall | |
Low resolution limit [Å] | 20.000 |
High resolution limit [Å] | 2.500 |
Rmerge | 0.076 |
Number of reflections | 37495 |
<I/σ(I)> | 8.73 |
Completeness [%] | 99.5 |
Redundancy | 3.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 293.15 | 0.2M Lithium Sulfate Monohydrate, 0.1M Tris. 25% w/v PEG 3,350, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K |