3WZO
Crystal structure of the core streptavidin mutant V21 (Y22S/N23D/S27D/Y83S/R84K/E101D/R103K/E116N) complexed with biotin long tail (BTNtail) at 1.5 A resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | PHOTON FACTORY BEAMLINE BL-17A |
Synchrotron site | Photon Factory |
Beamline | BL-17A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-12-18 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 0.98000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 55.241, 85.461, 86.115 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 50.000 - 1.500 |
R-factor | 0.17613 |
Rwork | 0.173 |
R-free | 0.23616 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3wyq |
RMSD bond length | 0.018 |
RMSD bond angle | 1.912 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | REFMAC (5.8.0049) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.550 |
High resolution limit [Å] | 1.500 | 1.500 |
Number of reflections | 64012 | |
<I/σ(I)> | 17.6 | 3.08 |
Completeness [%] | 97.4 | 97.4 |
Redundancy | 6.3 | 6.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 293 | 0.1 M cadmium chloride hydrate, 0.1 M sodium acetate trihydrate, 30%(v/v) PEG400, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K |