4Q09
Crystal structure of chimeric carbonic anhydrase XII with inhibitor
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3HLJ | PDB ENTRY 3HLJ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 291 | Crystallization buffer was 0.1M sodium BICINE, pH 9, 0.2 M ammonium sulfate and 2M sodium malonate pH 7 made from 1M sodium BICINE and 3.4M sodium malonate, VAPOR DIFFUSION, SITTING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.97 | 37.2 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 41.835 | α = 90 |
b = 41.011 | β = 103.56 |
c = 71.006 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | PIXEL | PSI PILATUS 6M | 2012-12-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1) | 0.826606 | PETRA III, EMBL c/o DESY | P13 (MX1) |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.2 | 69.03 | 98.8 | 0.042 | 0.042 | 21.1 | 6.7 | 72417 | 10.985 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.2 | 1.26 | 98.2 | 0.346 | 0.346 | 2.2 | 6.4 | 10431 |
Refinement
Statistics | |||||||||||||||||||
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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 | MR | THROUGHOUT | PDB ENTRY 3HLJ | 1.2 | 69.03 | 72399 | 72399 | 7246 | 98.69 | 0.143 | 0.143 | 0.139 | 0.178 | RANDOM | 17.485 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.51 | 0.32 | 0.52 | -0.89 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.967 |
r_sphericity_free | 28.909 |
r_dihedral_angle_4_deg | 18.552 |
r_sphericity_bonded | 17.759 |
r_dihedral_angle_3_deg | 13.301 |
r_rigid_bond_restr | 7.641 |
r_dihedral_angle_1_deg | 7.204 |
r_angle_refined_deg | 2.333 |
r_chiral_restr | 0.16 |
r_bond_refined_d | 0.024 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2042 |
Nucleic Acid Atoms | |
Solvent Atoms | 252 |
Heterogen Atoms | 53 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SCALA | data scaling |
PDB_EXTRACT | data extraction |
HKL-2000 | data collection |
XDS | data reduction |
MOLREP | phasing |