3WZQ
Crystal structure of the core streptavidin mutant V212 (Y22S/N23D/S27D/S45N/Y83S/R84K/E101D/R103K/E116N) complexed with iminobiotin long tail (IMNtail) at 1.7 A resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL44XU |
Synchrotron site | SPring-8 |
Beamline | BL44XU |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2013-07-05 |
Detector | RAYONIX MX225HE |
Wavelength(s) | 0.90000 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 77.424, 77.414, 172.834 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 15.000 - 1.700 |
R-factor | 0.19971 |
Rwork | 0.197 |
R-free | 0.24397 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3wyq |
RMSD bond length | 0.025 |
RMSD bond angle | 2.118 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | REFMAC (5.5.0109) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.760 |
High resolution limit [Å] | 1.700 | 1.700 |
Number of reflections | 55926 | |
<I/σ(I)> | 26.4 | 3.01 |
Completeness [%] | 97.0 | 97 |
Redundancy | 5.8 | 5.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.8 | 293 | 60 mM sodium cacodylate trihydrate, 27%(w/v) PEG300, pH 6.8, VAPOR DIFFUSION, SITTING DROP, temperature 293K |