3M14

Carbonic Anhydrase II in complex with novel sulfonamide inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1OQ5 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.82912.5 M Ammoniumsulfate 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
2.1539.71

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.138α = 90
b = 41.349β = 104.3
c = 72.033γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDMARMOSAIC 225 mm CCD2009-08-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DA1.000SLSX06DA

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
11.382599.10.06413.73.64922149221
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)
11.381.491.60.1625.52.62281

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISFREE R1OQ51.381048501460562445980.1270.1240.176RANDOM
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
1719812311.8
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.086
s_non_zero_chiral_vol0.069
s_zero_chiral_vol0.066
s_similar_adp_cmpnt0.049
s_anti_bump_dis_restr0.037
s_angle_d0.03
s_from_restr_planes0.0293
s_bond_d0.011
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2037
Nucleic Acid Atoms
Solvent Atoms255
Heterogen Atoms21

Software

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