3KON

Crystal structure of cobalt (II) human carbonic anhydrase II at pH 11.0


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP113001.4 M sodium citrate, pH 11.0, VAPOR DIFFUSION, HANGING DROP, temperature 300K
Crystal Properties
Matthews coefficientSolvent content
2.0840.97

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.292α = 90
b = 41.212β = 104.25
c = 72.253γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray300IMAGE PLATERIGAKU RAXIS IV++2008-04-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.55097.90.070.08203.339055382352219
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.51.5598.10.30.363.13815

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R1.550223905538235190097.90.20.2010.235RANDOM
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
12260.2
RMS Deviations
KeyRefinement Restraint Deviation
s_similar_adp_cmpnt0.058
s_non_zero_chiral_vol0.056
s_zero_chiral_vol0.046
s_from_restr_planes0.0307
s_angle_d0.024
s_anti_bump_dis_restr0.011
s_bond_d0.008
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2058
Nucleic Acid Atoms
Solvent Atoms212
Heterogen Atoms1

Software

Software
Software NamePurpose
CrystalCleardata collection
SHELXmodel building
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling
SHELXphasing