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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2950.1 M Tris-HCl pH 7.0-8.5 28-30% (w/v) polyethylene glycol 2000 (PEG2000) 0.1 M magnesium acetate
Crystal Properties
Matthews coefficientSolvent content
2.6653.73

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 118.812α = 90
b = 118.812β = 90
c = 68.074γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray80CCDADSC QUANTUM 315r2019-06-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPAL/PLS BEAMLINE 5C (4A)0.97926PAL/PLS5C (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)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.25099.90.1410.150.0495.38.827978
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)RedundancyNumber Unique Reflections (All)
12.22.2899.40.7430.8070.3130.8966.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4O1K2.241.0826517144498.950.17620.17420.2144RANDOM47.749
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]
1.340.671.34-4.34
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.957
r_dihedral_angle_4_deg21.846
r_dihedral_angle_3_deg15.104
r_dihedral_angle_1_deg6.245
r_angle_refined_deg1.499
r_angle_other_deg1.335
r_chiral_restr0.074
r_bond_refined_d0.009
r_gen_planes_refined0.007
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.957
r_dihedral_angle_4_deg21.846
r_dihedral_angle_3_deg15.104
r_dihedral_angle_1_deg6.245
r_angle_refined_deg1.499
r_angle_other_deg1.335
r_chiral_restr0.074
r_bond_refined_d0.009
r_gen_planes_refined0.007
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3494
Nucleic Acid Atoms
Solvent Atoms143
Heterogen Atoms8

Software

Software
Software NamePurpose
HKL-2000data scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
PHASERphasing