6G3V

Crystal structure of human carbonic anhydrase I in complex with the inhibitor famotidine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION929628% PEG4000, 0.2 M sodium acetate, Tris 100 mM
Crystal Properties
Matthews coefficientSolvent content
2.3447.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.507α = 90
b = 71.369β = 90
c = 121.442γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 2M2018-01-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-20.873ESRFID23-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.693093.50.0680.0830.998.32.7515818357352
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.691.882.60.120.1510.372.2

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 SYNTHESISTHROUGHOUT3LXE1.692754371292793.570.21670.21420.2631RANDOM30.799
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]
-1.052.15-1.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.206
r_dihedral_angle_4_deg18.527
r_dihedral_angle_3_deg14.711
r_dihedral_angle_1_deg7.415
r_angle_refined_deg2.199
r_chiral_restr0.153
r_bond_refined_d0.023
r_gen_planes_refined0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4001
Nucleic Acid Atoms
Solvent Atoms159
Heterogen Atoms80

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
XSCALEdata scaling
REFMACphasing