3D0Q
Crystal structure of calG3 from Micromonospora echinospora determined in space group I222
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 277 | Protein solution (10 mg/mL Se-Met protein, 0.050 M Sodium chloride, 0.010 M Tris-HCl pH 7.5) mixed in a 1:1 ratio with the Well solution (16% PEG 4000, 0.20 M Tri-ammonium citrate, 0.10 M MOPS pH 7.0). Cryoprotected in well solution containing up to 20% (v/v) Ethylene glycol, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.86 | 56.95 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 106.654 | α = 90 |
b = 119.267 | β = 90 |
c = 155.942 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARMOSAIC 300 mm CCD | Adjustable focusing mirrors in K-B geometry | 2006-03-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-D | 0.97918 | APS | 23-ID-D |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.79 | 27 | 99.2 | 0.121 | 9.819 | 7.3 | 24883 |
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 | 2.79 | 2.9 | 94.9 | 0.426 | 4.046 | 6.3 | 2342 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 2.79 | 26.75 | 24883 | 1270 | 98.883 | 0.19 | 0.187 | 0.243 | RANDOM | 11.99 |
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] | |
5.326 | -2.249 | -3.077 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.542 |
r_dihedral_angle_4_deg | 19.492 |
r_dihedral_angle_3_deg | 17.304 |
r_scangle_it | 8.431 |
r_dihedral_angle_1_deg | 5.578 |
r_scbond_it | 5.453 |
r_mcangle_it | 2.7 |
r_mcbond_it | 1.44 |
r_angle_refined_deg | 1.337 |
r_nbtor_refined | 0.314 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5716 |
Nucleic Acid Atoms | |
Solvent Atoms | 45 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
SHARP | phasing |
DM | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MAR345 | data collection |