7NZT

Crystal structure of chimeric carbonic anhydrase VA with 3-(cyclooctylamino)-2,5,6-trifluoro-4-[(2-hydroxyethyl)sulfonyl]benzenesulfonamide


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP291Crystallization buffer was 0.1M sodium BICINE, pH 9, 0.2 M ammonium sulfate and 2M sodium malonate pH 7 made from 1M sodium BICINE and 3.4M sodium malonate
Crystal Properties
Matthews coefficientSolvent content
2.0740.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.224α = 90
b = 41.335β = 104.24
c = 71.742γ = 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 P13 (MX1)0.97630PETRA III, EMBL c/o DESYP13 (MX1)

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
11.3569.5495.30.050.060.02321.6750279
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)
11.351.4294.10.2730.2730.3270.1212.67.1

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 REPLACEMENTTHROUGHOUT4HT01.3569.53945219504594.940.12680.12250.1657RANDOM14.846
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]
0.02-0.020.15-0.14
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.498
r_sphericity_free23.967
r_dihedral_angle_4_deg22.54
r_dihedral_angle_3_deg12.73
r_sphericity_bonded12.17
r_dihedral_angle_1_deg6.887
r_rigid_bond_restr4.642
r_angle_refined_deg2.121
r_chiral_restr0.136
r_gen_planes_refined0.016
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.498
r_sphericity_free23.967
r_dihedral_angle_4_deg22.54
r_dihedral_angle_3_deg12.73
r_sphericity_bonded12.17
r_dihedral_angle_1_deg6.887
r_rigid_bond_restr4.642
r_angle_refined_deg2.121
r_chiral_restr0.136
r_gen_planes_refined0.016
r_bond_refined_d0.015
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2031
Nucleic Acid Atoms
Solvent Atoms295
Heterogen Atoms37

Software

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