6T5C

Human Carbonic anhydrase II bound by anthracene-9-sulfonamide


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4HT0 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP291Crystallization buffer was 0.1M sodium BICINE, pH 9, 0.2 M ammonium sulfate and 2M sodium malonate pH 7 made from 1M sodium BICINE and 3.4M sodium malonate
Crystal Properties
Matthews coefficientSolvent content
2.0840.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.309α = 90
b = 41.313β = 104.26
c = 71.971γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2016-07-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)0.979700PETRA III, EMBL c/o DESYP13 (MX1)

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.21969.75395.70.0350.0440.01729.36.76870568705
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.221.2981.70.0870.0870.1120.0448.45.9

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 REPLACEMENTTHROUGHOUT4HT01.2269.7561733695495.370.12590.12280.1532RANDOM14.862
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]
0.13-0.06-0.20.09
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.482
r_dihedral_angle_4_deg22.006
r_sphericity_free21.33
r_dihedral_angle_3_deg11.28
r_sphericity_bonded11.226
r_rigid_bond_restr7.64
r_dihedral_angle_1_deg7.091
r_angle_refined_deg2.134
r_chiral_restr0.134
r_gen_planes_refined0.019
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.482
r_dihedral_angle_4_deg22.006
r_sphericity_free21.33
r_dihedral_angle_3_deg11.28
r_sphericity_bonded11.226
r_rigid_bond_restr7.64
r_dihedral_angle_1_deg7.091
r_angle_refined_deg2.134
r_chiral_restr0.134
r_gen_planes_refined0.019
r_bond_refined_d0.017
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2043
Nucleic Acid Atoms
Solvent Atoms391
Heterogen Atoms46

Software

Software
Software NamePurpose
SCALAdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
MOLREPphasing
PDB_EXTRACTdata extraction
Cootmodel building