5LLA

Crystal structure of human carbonic anhydrase isozyme XIII with 4-(1H-benzimidazol-1-ylacetyl)-2-chlorobenzenesulfonamide


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION291Crystallization buffer: 0.1M ammonium citrate (pH 7), 0.1M sodium acetate (pH 4.5) and 26% PEG3350
Crystal Properties
Matthews coefficientSolvent content
2.1642.99

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.023α = 90
b = 57.276β = 90
c = 159.284γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2012-11-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)0.826606PETRA 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
11.5159.28499.30.0330.040.01626.86.48229782297
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.51.5899.20.3582.26.6

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 REPLACEMENTTHROUGHOUT4KNN1.579.6474022819699.10.18210.17870.2125RANDOM20.079
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]
0.510.57-1.09
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.967
r_dihedral_angle_4_deg13.343
r_dihedral_angle_3_deg12.706
r_dihedral_angle_1_deg6.599
r_angle_refined_deg2.452
r_chiral_restr0.233
r_bond_refined_d0.025
r_gen_planes_refined0.014
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4108
Nucleic Acid Atoms
Solvent Atoms550
Heterogen Atoms82

Software

Software
Software NamePurpose
REFMACrefinement
SCALAdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction
MOLREPphasing