3M2N

Crystal structure of human carbonic anhydrase isozyme II with 4-{2-[N-(6-chloro-5-nitropyrimidin-4-yl)amino]ethyl}benzenesulfonamide


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2NNOPDB ENTRY 2NNO

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2930.1M Na-Bicine pH 9, 2M Na-Malonate pH7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.0640.22

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.041α = 90
b = 41.253β = 104.74
c = 71.858γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mmBent, vertically focussing mirror2009-12-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X130.8120EMBL/DESY, HAMBURGX13

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.6541.241000.0760.07626.39.6289362893613.8
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.651.741000.2110.2118.66.64178

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 REPLACEMENTTHROUGHOUTPDB ENTRY 2NNO1.6539.78259922599229281000.159510.159510.154530.20304RANDOM14.049
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]
0.640.13-0.690.11
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.274
r_dihedral_angle_4_deg22.789
r_dihedral_angle_3_deg14.348
r_dihedral_angle_1_deg7.273
r_scangle_it4.79
r_scbond_it3.478
r_angle_refined_deg2.443
r_mcangle_it2.156
r_mcbond_it1.521
r_nbtor_refined0.316
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.274
r_dihedral_angle_4_deg22.789
r_dihedral_angle_3_deg14.348
r_dihedral_angle_1_deg7.273
r_scangle_it4.79
r_scbond_it3.478
r_angle_refined_deg2.443
r_mcangle_it2.156
r_mcbond_it1.521
r_nbtor_refined0.316
r_symmetry_vdw_refined0.266
r_nbd_refined0.237
r_xyhbond_nbd_refined0.182
r_symmetry_hbond_refined0.172
r_chiral_restr0.163
r_metal_ion_refined0.099
r_bond_refined_d0.029
r_gen_planes_refined0.014
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2059
Nucleic Acid Atoms
Solvent Atoms370
Heterogen Atoms43

Software

Software
Software NamePurpose
MAR345data collection
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling