4FL7

The crystal structure of human carbonic anhydrase II in complex with N-(Hydroxy)-benzamide


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CA2PDB ENTRY 1CA2

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.62932.4 M ammonium sulfate, 0.3 M sodium chloride, 0.1 M Tris-HCl, pH 8.6, 5 mM 4-(hydroxymercurybenzoate), VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.0941.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.16α = 90
b = 41.5β = 104.39
c = 71.99γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 9442012-02-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.852094.70.04619.71972119721
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.851.9278.40.06712.05

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISPDB ENTRY 1CA21.8520197211961495294.20.16290.2032RANDOM12.6566
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]
-0.0010.15-1.2481.248
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it2.741
c_scbond_it1.881
c_mcangle_it1.658
c_angle_d1.482
c_mcbond_it1.143
c_bond_d0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2049
Nucleic Acid Atoms
Solvent Atoms301
Heterogen Atoms33

Software

Software
Software NamePurpose
CrystalCleardata collection
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing