3M2Y

Carbonic Anhydrase II in complex with novel sulfonamide inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.82912.5 M ammonium sulfate 50 mM Tris 0.1 mM p-chloromercuribenzoic acid 1 mM Sulfonamide, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.1740.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.4α = 90
b = 41.4β = 104.6
c = 72.2γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDMAR CCD 165 mmsilicon2008-02-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.20.91841BESSY14.2

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
11.172597.30.04816.837967579675
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)
11.171.1995.40.1825.72.83895

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISFREE RPDB entry 1OQ51.171047796774020394795.30.12820.1270.1240.161RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
71975.862339.48
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.081
s_approx_iso_adps0.08
s_zero_chiral_vol0.077
s_anti_bump_dis_restr0.068
s_similar_adp_cmpnt0.041
s_from_restr_planes0.0308
s_angle_d0.03
s_bond_d0.021
s_rigid_bond_adp_cmpnt0.005
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2043
Nucleic Acid Atoms
Solvent Atoms266
Heterogen Atoms32

Software

Software
Software NamePurpose
SHELXL-97refinement
CNSrefinement
MAR345data collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing