6T4N

Human Carbonic anhydrase II bound by 2,4,6-trimethylbenzenesulfonamide


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, and 2M sodium malonate pH 7 made from 1M sodium BICINE and 3.4M sodium malonate
Crystal Properties
Matthews coefficientSolvent content
2.0640.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.115α = 90
b = 41.106β = 104.14
c = 71.861γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2016-12-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)0.976800PETRA III, EMBL c/o DESYP14 (MX2)

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
11.469.68399.10.0320.040.01626.16.44673946739
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)
11.41.4898.50.2240.2240.2640.1063.36

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 REPLACEMENTTHROUGHOUT4HT01.440.8442514419999.030.17230.16970.1959RANDOM17.946
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]
0.14-0.11-0.670.52
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.534
r_dihedral_angle_4_deg20.443
r_dihedral_angle_3_deg12.173
r_dihedral_angle_1_deg7.402
r_angle_refined_deg1.99
r_chiral_restr0.13
r_gen_planes_refined0.014
r_bond_refined_d0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2043
Nucleic Acid Atoms
Solvent Atoms304
Heterogen Atoms38

Software

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