1OQ5

CARBONIC ANHYDRASE II IN COMPLEX WITH NANOMOLAR INHIBITOR


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CILPDB ENTRY 1CIL

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.2277Tris-HCl, NaCl, ammonium sulfate, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
1.7328.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.01α = 90
b = 41.07β = 104.2
c = 71.93γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray103IMAGE PLATERIGAKU RAXIS IV2002-11-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.54178

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
11.53091.50.09318.83.53510335103
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)
1.51.53370.3112.8694

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE RPDB ENTRY 1CIL1.5103455534555171690.50.13070.12910.12910.1887RANDOM22.3
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
219832296
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.08
s_similar_adp_cmpnt0.057
s_non_zero_chiral_vol0.056
s_zero_chiral_vol0.048
s_angle_d0.028
s_from_restr_planes0.0198
s_anti_bump_dis_restr0.018
s_bond_d0.009
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2045
Nucleic Acid Atoms
Solvent Atoms233
Heterogen Atoms27

Software

Software
Software NamePurpose
SHELXmodel building
SHELXL-97refinement
SCALEPACKdata scaling
AMoREphasing