3RDU
Crystal structure of R7-2 streptavidin complexed with PEG
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X29A |
Synchrotron site | NSLS |
Beamline | X29A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-06-30 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 0.9791 |
Spacegroup name | P 42 21 2 |
Unit cell lengths | 57.354, 57.354, 76.839 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.500 |
R-factor | 0.1714 |
Rwork | 0.170 |
R-free | 0.20710 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3rdm |
RMSD bond length | 0.009 |
RMSD bond angle | 1.373 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | PHASER (2.1.4) |
Refinement software | REFMAC |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 1.530 |
High resolution limit [Å] | 1.500 | 4.070 | 1.500 |
Rmerge | 0.071 | 0.049 | 0.573 |
Number of reflections | 21154 | ||
<I/σ(I)> | 14.1 | ||
Completeness [%] | 99.7 | 98.2 | 99.9 |
Redundancy | 6.8 | 7.1 | 7.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 298 | 10% PEG1000, 10% PEG8000, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |