3F45
Structure of the R75A mutant of rat alpha-Parvalbumin
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 290 | 3.2 Ammonium sulfate, 2% PEG 600, 100mM MES, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.776738 | 30.772001 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 27.315 | α = 90 |
b = 55.05 | β = 105.56 |
c = 28.768 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | MARRESEARCH | osmic mirrors | 2005-10-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | 1.542 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2 | 27.71 | 97.5 | 0.047 | 3.8 | 5621 | 2 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MIR | THROUGHOUT | PDB ENTRY 1RTP | 2 | 27.71 | 5621 | 5480 | 251 | 97.54 | 0.158 | 0.14726 | 0.14436 | 0.20485 | RANDOM | 12.078 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.878 |
r_dihedral_angle_3_deg | 13.568 |
r_dihedral_angle_1_deg | 5.909 |
r_scangle_it | 3.551 |
r_scbond_it | 2.492 |
r_angle_refined_deg | 1.595 |
r_mcangle_it | 1.426 |
r_mcbond_it | 0.908 |
r_nbtor_refined | 0.306 |
r_nbd_refined | 0.225 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 822 |
Nucleic Acid Atoms | |
Solvent Atoms | 155 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
EPMR | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |