3M1Q

Carbonic Anhydrase II mutant W5C-H64C with opened disulfide bond


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.82912.75 M ammonium sulfate 50 mM Tris, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.1640.08

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.2α = 90
b = 41.4β = 104.3
c = 72γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110IMAGE PLATEMAR scanner 345 mm platemirrors2009-02-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEOTHER1.5418

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
11.6925980.03922.12.42692026920
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)
11.691.72850.1325.621150

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 structure1.691042630525031127496.20.16090.160.1560.209RANDOM
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
619712213
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.073
s_similar_adp_cmpnt0.064
s_non_zero_chiral_vol0.045
s_zero_chiral_vol0.044
s_from_restr_planes0.0284
s_angle_d0.024
s_anti_bump_dis_restr0.013
s_bond_d0.007
s_similar_dist
s_rigid_bond_adp_cmpnt
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2014
Nucleic Acid Atoms
Solvent Atoms198
Heterogen Atoms1

Software

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