6T4P

Human Carbonic anhydrase II bound by napthalene-1-sulfonamide


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
2.0640.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.072α = 90
b = 41.159β = 104.08
c = 71.704γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR555 FLAT PANEL2011-11-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X110.8150EMBL/DESY, HAMBURGX11

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.7531.9698.90.0710.0710.0810.03123.36.82399723997
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)
11.751.8499.60.1150.1150.140.0585.35.4

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 REPLACEMENTTHROUGHOUT4HT01.7526.5721618236798.760.16520.16150.1993RANDOM16.051
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]
-0.09-0.35-0.250.46
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.086
r_dihedral_angle_4_deg21.508
r_dihedral_angle_3_deg12.936
r_dihedral_angle_1_deg7.042
r_angle_refined_deg1.849
r_chiral_restr0.133
r_gen_planes_refined0.012
r_bond_refined_d0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2036
Nucleic Acid Atoms
Solvent Atoms247
Heterogen Atoms32

Software

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