5JQT

Crystal structure of human carbonic anhydrase II in complex with Benzoxaborole at pH 7.4


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.42982.4 M SODIUM MALONATE
Crystal Properties
Matthews coefficientSolvent content
2.0740.47

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.234α = 90
b = 41.104β = 103.92
c = 71.831γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 9442015-02-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.54178

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.3669.7297.40.0524.63.750126
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.361.3879.10.2922.32013

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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1CA21.3669.7246386244294.820.12320.1210.1647RANDOM14.163
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]
0.06-0.7-0.250.47
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.468
r_sphericity_free27.566
r_dihedral_angle_4_deg21.035
r_sphericity_bonded13.278
r_dihedral_angle_3_deg11.321
r_dihedral_angle_1_deg6.944
r_rigid_bond_restr3.745
r_mcangle_it2.772
r_angle_refined_deg2.277
r_mcbond_it2.268
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.468
r_sphericity_free27.566
r_dihedral_angle_4_deg21.035
r_sphericity_bonded13.278
r_dihedral_angle_3_deg11.321
r_dihedral_angle_1_deg6.944
r_rigid_bond_restr3.745
r_mcangle_it2.772
r_angle_refined_deg2.277
r_mcbond_it2.268
r_mcbond_other2.254
r_angle_other_deg1.065
r_chiral_restr0.352
r_gen_planes_other0.032
r_bond_other_d0.022
r_bond_refined_d0.018
r_gen_planes_refined0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2073
Nucleic Acid Atoms
Solvent Atoms235
Heterogen Atoms83

Software

Software
Software NamePurpose
REFMACrefinement
SCALEPACKdata scaling
PDB_EXTRACTdata extraction
CrystalCleardata reduction
REFMACphasing