7M26

Human carbonic anhydrase II in complex with pioglitazone


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6ODZ 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.3293Protein concentration was 4 mg/mL; equal volumes (250 nL) of protein plus reservoir were added to the plate; the reservoir was 1.5 M tri-potassium citrate, 0.1 M tris buffer at pH 8.3.
Crystal Properties
Matthews coefficientSolvent content
2.1141.67

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.379α = 90
b = 41.437β = 104.38
c = 72.069γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 9M2019-09-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX10.953656Australian SynchrotronMX1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)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
11.341.4499.90.0620.0390.99914.86.759758
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.31.320.4790.320.862

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE6ODZ1.335.65859740293799.8810.120.11870.145413.912
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]
-0.5580.187-0.3740.739
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.052
r_dihedral_angle_4_deg22.497
r_dihedral_angle_3_deg11.762
r_dihedral_angle_1_deg7.15
r_lrange_it2.915
r_lrange_other2.597
r_scangle_it2.338
r_scangle_other2.338
r_scbond_other1.855
r_scbond_it1.854
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.052
r_dihedral_angle_4_deg22.497
r_dihedral_angle_3_deg11.762
r_dihedral_angle_1_deg7.15
r_lrange_it2.915
r_lrange_other2.597
r_scangle_it2.338
r_scangle_other2.338
r_scbond_other1.855
r_scbond_it1.854
r_mcangle_other1.73
r_mcangle_it1.727
r_angle_refined_deg1.708
r_angle_other_deg1.491
r_mcbond_it1.264
r_mcbond_other1.26
r_rigid_bond_restr1.241
r_nbd_refined0.246
r_symmetry_xyhbond_nbd_refined0.238
r_xyhbond_nbd_refined0.236
r_nbd_other0.2
r_symmetry_nbd_other0.199
r_symmetry_nbd_refined0.178
r_nbtor_refined0.176
r_symmetry_xyhbond_nbd_other0.126
r_chiral_restr0.091
r_symmetry_nbtor_other0.083
r_xyhbond_nbd_other0.082
r_metal_ion_refined0.07
r_bond_refined_d0.011
r_gen_planes_refined0.009
r_gen_planes_other0.003
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2059
Nucleic Acid Atoms
Solvent Atoms290
Heterogen Atoms26

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing