4BF6

Three dimensional structure of human carbonic anhydrase II in complex with 5-(1-(3-Cyanophenyl)-1H-1,2,3-triazol-4-yl)thiophene-2- sulfonamide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP82943,2 M (NH4)2SO4 100 MM TRIS- HCL, PH 8.0, PROTEIN 10.8 MG/ML, 5-10 MM INHIBITOR (STOCK SOLUTION WAS 100 MM INHIBITOR DISSOLVED IN 100% DIMETHYL SULFOXIDE), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K, TIME 7-14 DAYS
Crystal Properties
Matthews coefficientSolvent content
2.142

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.424α = 90
b = 41.522β = 104.24
c = 72.242γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDBruker Platinum 135MULTILAYER2013-02-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.5418

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
11.8235.7199.30.1721.927.55220498.1
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)
11.821.8686.80.363.452.82

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 REPLACEMENTTHROUGHOUTPDB ENTRY 3DC31.8235.7420916112299.230.147510.144640.20191RANDOM12.231
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]
0.42-0.09-0.3
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.269
r_dihedral_angle_4_deg23.13
r_dihedral_angle_3_deg13.039
r_dihedral_angle_1_deg6.99
r_angle_refined_deg2.138
r_angle_other_deg0.894
r_chiral_restr0.119
r_bond_refined_d0.019
r_gen_planes_refined0.01
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.269
r_dihedral_angle_4_deg23.13
r_dihedral_angle_3_deg13.039
r_dihedral_angle_1_deg6.99
r_angle_refined_deg2.138
r_angle_other_deg0.894
r_chiral_restr0.119
r_bond_refined_d0.019
r_gen_planes_refined0.01
r_bond_other_d0.001
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2044
Nucleic Acid Atoms
Solvent Atoms296
Heterogen Atoms29

Software

Software
Software NamePurpose
REFMACrefinement
SAINTdata reduction
SADABSdata scaling