6QL2

Crystal structure of chimeric carbonic anhydrase VI with ethoxzolamide.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4HT0 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7291Crystallization buffer was 0.1M sodium BICINE (pH 9), 0.2M ammonium sulfate and 2M sodium malonate (pH 7)
Crystal Properties
Matthews coefficientSolvent content
2.0540.01

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.136α = 90
b = 41.309β = 104.22
c = 71.368γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2013-05-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)0.975522PETRA III, EMBL c/o DESYP14 (MX2)

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)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
11.340.84596.40.0670.0790.0313.16.95640356403
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.31.3794.50.3340.3340.3890.14526.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4HT01.339.756387569395.980.12270.11890.1573RANDOM20.4793
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]
0.120.13-0.350.14
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.44
r_sphericity_free29.85
r_dihedral_angle_4_deg23.838
r_sphericity_bonded16.48
r_dihedral_angle_3_deg14.387
r_dihedral_angle_1_deg6.638
r_rigid_bond_restr6.206
r_scbond_it5.117
r_mcangle_it2.539
r_mcbond_it2.164
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.44
r_sphericity_free29.85
r_dihedral_angle_4_deg23.838
r_sphericity_bonded16.48
r_dihedral_angle_3_deg14.387
r_dihedral_angle_1_deg6.638
r_rigid_bond_restr6.206
r_scbond_it5.117
r_mcangle_it2.539
r_mcbond_it2.164
r_angle_refined_deg1.991
r_chiral_restr0.128
r_bond_refined_d0.013
r_gen_planes_refined0.013
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2054
Nucleic Acid Atoms
Solvent Atoms226
Heterogen Atoms43

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
SCALAdata scaling
MOLREPphasing
Cootmodel building