1PRW
Crystal structure of bovine brain Ca++ calmodulin in a compact form
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.4 | 296 | PEG 6000, sodium acetate, glycerol, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.04 | 39.69 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 63.32 | α = 90 |
b = 35.75 | β = 117.19 |
c = 68.03 | γ = 90 |
Symmetry | |
---|---|
Space Group | C 1 2 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 | CCD | ADSC QUANTUM 4 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X4A | 0.9793 | NSLS | X4A |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.7 | 14 | 88.4 | 0.056 | 0.056 | 14.8 | 3.6 | 15132 | 13383 | 3 | 1 | 15.1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.7 | 1.76 | 90.7 | 0.38 | 0.42 | 4.28 | 2.96 | 1377 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | 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 | SIRSAS | THROUGHOUT | 1.7 | 14.59 | 1 | 3 | 15132 | 12598 | 1280 | 83.4 | 0.186 | 0.186 | 0.186 | 0.23 | RANDOM | 18.1 |
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] | |
0.57 | 0.22 | -1.32 | 0.75 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 19.8 |
c_scangle_it | 3.36 |
c_scbond_it | 2.25 |
c_mcangle_it | 1.9 |
c_mcbond_it | 1.34 |
c_angle_deg | 1 |
c_improper_angle_d | 0.7 |
c_bond_d | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1172 |
Nucleic Acid Atoms | |
Solvent Atoms | 172 |
Heterogen Atoms | 4 |
Software
Software | |
---|---|
Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
PHASES | phasing |