5EKM

Human Carbonic Anhydrase II complexed with a two-faced guest


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29450 mM Tris, pH 7.0, 1.3 M sodium citrate
Crystal Properties
Matthews coefficientSolvent content
2.1141.78

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.31α = 90
b = 41.35β = 104.06
c = 72.04γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCD2015-07-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL14-11.282SSRLBL14-1

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
11.3341.3595.30.0590.0230.99923.67.655735528859.27
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)
11.331.3591.70.2230.0870.9778.97.52500

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.3332.1440.2952883267395.260.14320.1420.1666Random selection12.6001
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.666
f_angle_d1.165
f_chiral_restr0.047
f_bond_d0.006
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2010
Nucleic Acid Atoms
Solvent Atoms231
Heterogen Atoms46

Software

Software
Software NamePurpose
MOSFLMdata reduction
Aimlessdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
PHASERphasing