7CXW
Structural insights into novel mechanisms of inhibition of the major b-carbonic anhydrase CafB from the pathogenic fungus Aspergillus fumigatus (C116 flipped form)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4O1K |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 295 | 0.1 M Tris-HCl pH 7.0-8.5 28-30% (w/v) polyethylene glycol 2000 (PEG2000) 0.1 M magnesium acetate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.66 | 53.73 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 118.812 | α = 90 |
b = 118.812 | β = 90 |
c = 68.074 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 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 | 80 | CCD | ADSC QUANTUM 315r | 2019-06-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PAL/PLS BEAMLINE 5C (4A) | 0.97926 | PAL/PLS | 5C (4A) |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.2 | 50 | 99.9 | 0.141 | 0.15 | 0.049 | 5.3 | 8.8 | 27978 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.2 | 2.28 | 99.4 | 0.743 | 0.807 | 0.313 | 0.896 | 6.4 |
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 | 4O1K | 2.2 | 41.08 | 26517 | 1444 | 98.95 | 0.1762 | 0.1742 | 0.2144 | RANDOM | 47.749 |
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] | |
1.34 | 0.67 | 1.34 | -4.34 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.957 |
r_dihedral_angle_4_deg | 21.846 |
r_dihedral_angle_3_deg | 15.104 |
r_dihedral_angle_1_deg | 6.245 |
r_angle_refined_deg | 1.499 |
r_angle_other_deg | 1.335 |
r_chiral_restr | 0.074 |
r_bond_refined_d | 0.009 |
r_gen_planes_refined | 0.007 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3494 |
Nucleic Acid Atoms | |
Solvent Atoms | 143 |
Heterogen Atoms | 8 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
PHASER | phasing |