3KIG

Mutant carbonic anhydrase II in complex with an azide and an alkyne


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.82912.5M ammonium sulfate, 50mM TRIS, 500 M azide, 500 M alkyne, 1mM DTT, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.0740.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.4α = 90
b = 41.4β = 104.1
c = 72.3γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDMARMOSAIC 225 mm CCDsilicon2008-11-08MSINGLE 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
11.392596.70.03819.92.74730247302
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)
11.391.4195.70.2483.32.52315

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (I)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 R1.3910244589739333230585.70.13510.12730.13330.1913RANDOM17
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
419882297.9
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.079
s_zero_chiral_vol0.061
s_non_zero_chiral_vol0.058
s_similar_adp_cmpnt0.051
s_from_restr_planes0.0293
s_angle_d0.027
s_anti_bump_dis_restr0.016
s_bond_d0.01
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2045
Nucleic Acid Atoms
Solvent Atoms221
Heterogen Atoms33

Software

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