4WRF
Crystal Structure of Surfactant Protein-A DEDN Mutant (E171D/P175E/R197N/K203D) Complexed with Mannose
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU300 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2013-10-21 |
Detector | RIGAKU RAXIS IV |
Wavelength(s) | 1.5418 |
Spacegroup name | H 3 2 |
Unit cell lengths | 69.157, 69.157, 169.566 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 14.929 - 1.901 |
R-factor | 0.2026 |
Rwork | 0.198 |
R-free | 0.24400 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | PDB code 4WRC |
RMSD bond length | 0.016 |
RMSD bond angle | 0.936 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Refinement software | PHENIX |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 15.000 | 15.000 | 1.970 |
High resolution limit [Å] | 1.900 | 4.070 | 1.900 |
Rmerge | 0.070 | 0.063 | 0.397 |
Total number of observations | 74138 | ||
Number of reflections | 12478 | ||
<I/σ(I)> | 23.2 | ||
Completeness [%] | 98.8 | 98.9 | 90.1 |
Redundancy | 5.9 | 6.2 | 3.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 290 | DEDN (17 mg/ml) crystallized in hanging drops from a reservoir solution of 0.2 M calcium chloride and 14% (w/v) PEG 3,350. Before freezing, the crystals were soaked in reservoir solution supplemented with 1.5 M 1,6-hexanediol as a cryoprotectant with 5% (w/v) mannose for 30 minutes |