2QTB
Human dipeptidyl peptidase iv/cd26 in complex with a 4-aryl cyclohexylalanine inhibitor
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 17-ID |
Synchrotron site | APS |
Beamline | 17-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-06-16 |
Detector | ADSC |
Wavelength(s) | 1.0 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 117.863, 125.629, 136.806 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 30.000 - 2.250 |
Rwork | 0.187 |
R-free | 0.22800 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | 1x70 |
RMSD bond length | 0.010 |
RMSD bond angle | 1.440 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNX |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.330 |
High resolution limit [Å] | 2.250 | 2.250 |
Rmerge | 0.090 | 0.443 |
Number of reflections | 96646 | |
<I/σ(I)> | 6.5 | 1.6 |
Completeness [%] | 99.7 | 99.2 |
Redundancy | 7.3 | 7.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | PEG4000, Sodium Acetate, TRIS, pH 8.000000, vapor diffusion, hanging drop, temperature 293K |