6EX1

Crystal structure of human carbonic anhydrase I in complex with the 4-[(3S)-3 benzyl-4-(4-sulfamoylbenzoyl)piperazine -1-carbonyl]benzene-1-sulfonamide inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1JV0 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP929628% PEG4000, 0.2 M Sodium acetate, Tris 100 mM
Crystal Properties
Matthews coefficientSolvent content
2.3347.12

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.98α = 90
b = 71.467β = 90
c = 120.942γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 2M2017-07-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE MASSIF-10.966ESRFMASSIF-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)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
11.593098.40.0720.0860.9947.273.16672418-339.256
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.591.69951.4051.6980.5190.693.06

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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1JV01.63068614360798.530.215380.213980.2437RANDOM37.328
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]
-0.282.73-2.45
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.075
r_dihedral_angle_4_deg18.141
r_dihedral_angle_3_deg12.748
r_dihedral_angle_1_deg5.976
r_long_range_B_refined5.187
r_mcangle_it2.229
r_scbond_it1.849
r_mcbond_it1.409
r_angle_refined_deg1.166
r_chiral_restr0.088
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.075
r_dihedral_angle_4_deg18.141
r_dihedral_angle_3_deg12.748
r_dihedral_angle_1_deg5.976
r_long_range_B_refined5.187
r_mcangle_it2.229
r_scbond_it1.849
r_mcbond_it1.409
r_angle_refined_deg1.166
r_chiral_restr0.088
r_bond_refined_d0.006
r_gen_planes_refined0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3996
Nucleic Acid Atoms
Solvent Atoms320
Heterogen Atoms68

Software

Software
Software NamePurpose
REFMACrefinement
XSCALEdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction
REFMACphasing