7D21
Crystal structure of Ixodes scapularis glutaminyl cyclase with two Zn ions bound to the active site
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSRRC BEAMLINE BL15A1 |
| Synchrotron site | NSRRC |
| Beamline | BL15A1 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2017-10-10 |
| Detector | RAYONIX MX300HE |
| Wavelength(s) | 1.0 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 55.646, 70.932, 80.556 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 27.840 - 1.970 |
| R-factor | 0.1908 |
| Rwork | 0.189 |
| R-free | 0.22240 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 4mhn |
| RMSD bond length | 0.009 |
| RMSD bond angle | 1.282 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.7.0032) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 2.040 |
| High resolution limit [Å] | 1.970 | 1.970 |
| Rmerge | 0.090 | 0.855 |
| Number of reflections | 23206 | 2278 |
| <I/σ(I)> | 31.1 | 2.6 |
| Completeness [%] | 99.9 | 100 |
| Redundancy | 5.6 | 5.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 293.15 | 10%(w/v) PEG8000, 8%(v/v) ethylene glycol, 0.1 M HEPES pH 7.5 |
