2CLD
CRYSTAL STRUCTURE ANALYSIS OF A FLUORESCENT FORM OF H-RAS P21 IN COMPLEX WITH GDP (2)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.2 | 291.15 | PROTEIN SOLUTION: 13.35 MG/ML PROTEIN, 64 MM TRIS PH 7.6, 20 MM MAGNESIUM CHLORIDE, 10 MM DTT, 0,1 MM SODIUM AZIDE; RESERVOIR SOLUTION: 100 MM HEPES PH 7.2, 200 MM MAGNESIUM ACETATE, 16% PEG 8000 (FRESHLY PREPARED) MIXTURE OF EQUAL VOLUMES OF PROTEIN AND RESERVOIR SOLUTION, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291.15K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.2 | 43.5 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 69.41 | α = 90 |
b = 69.41 | β = 90 |
c = 34.76 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 41 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC CCD | 2004-12-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | ESRF | ID14-4 |
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 | 1.22 | 69.34 | 94.1 | 0.05 | 21.5 | 6.09 | 47013 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.22 | 1.25 | 55.5 | 0.46 | 3 | 4.21 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 4Q21 | 1.22 | 69.34 | 44702 | 2294 | 94.1 | 0.15 | 0.149 | 0.176 | RANDOM | 17.04 |
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] | |
-0.96 | -0.96 | 1.92 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.221 |
r_dihedral_angle_4_deg | 18.41 |
r_dihedral_angle_3_deg | 14.017 |
r_dihedral_angle_1_deg | 6.437 |
r_scangle_it | 2.622 |
r_scbond_it | 1.93 |
r_angle_refined_deg | 1.534 |
r_mcangle_it | 1.183 |
r_mcbond_it | 1.089 |
r_angle_other_deg | 0.813 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1294 |
Nucleic Acid Atoms | |
Solvent Atoms | 199 |
Heterogen Atoms | 29 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |
MOLREP | phasing |