3M5S

Carbonic Anhydrase II mutant H64C in complex with carbonate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.82912.75 M ammoniumsulfate 50 mM Tris , pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.1539.82

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.4α = 90
b = 41.2β = 104.3
c = 71.9γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDMARMOSAIC 225 mm CCDsilicon2009-02-04MSINGLE 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
11.42597.20.056152.44659246592
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)
11.41.4294.10.2862.92.12277

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 Rin house CAII wild type structure1.41044484442620222494.40.13780.1370.1310.179RANDOM
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
419672206
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.078
s_zero_chiral_vol0.06
s_non_zero_chiral_vol0.059
s_similar_adp_cmpnt0.053
s_anti_bump_dis_restr0.035
s_from_restr_planes0.0295
s_angle_d0.028
s_bond_d0.01
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2023
Nucleic Acid Atoms
Solvent Atoms177
Heterogen Atoms5

Software

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