6BC9

Joint X-ray/neutron structure of human carbonic anhydrase II in complex with dorzolamide


X-RAY DIFFRACTION - NEUTRON DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5C8I 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2931.6 M sodium citrate, 50 mM TRIS pH 8.0
Crystal Properties
Matthews coefficientSolvent content
2.1643.16

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.8α = 90
b = 42.1β = 104.6
c = 72.7γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293IMAGE PLATERIGAKU RAXIS IV++OSMIC VARIMAX2016-08-08MSINGLE WAVELENGTH
21neutron293AREA DETECTORORNL ANGER CAMERA2016-08-19
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF
2NUCLEAR REACTORORNL Spallation Neutron Source BEAMLINE MANDIORNL Spallation Neutron SourceMANDI

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)CC (Half)R Split (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
11.634095.30.07918.66.130115
21.813.889.20.14514.52.820478
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)CC (Half)R Split (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.631.660.33355.2
21.81.860.32442.2

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)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 REPLACEMENT1.813.82.520817148388.60.1780.196RANDOM
NEUTRON DIFFRACTIONMOLECULAR REPLACEMENT
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2049
Nucleic Acid Atoms
Solvent Atoms123
Heterogen Atoms20

Software

Software
Software NamePurpose
nCNSrefinement