3CYU

Human Carbonic Anhydrase II complexed with Cryptophane biosensor and xenon


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.527727-32% PEG 3350, 0.05M Tris-sulfate, 3.5mM 2-mercaptoethanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.2344.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.441α = 90
b = 49.985β = 107.13
c = 81.038γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102007-11-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE F2.9795CHESSF2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.738.72970.07827.13.9277282772820.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.71.7690.30.4962.33.72556

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1LG61.738.722772825870113990.60.2260.2260.249RANDOM33.4
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]
-10.41-0.9518.1-7.69
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.4
c_scangle_it2.5
c_mcangle_it1.81
c_angle_deg1.8
c_scbond_it1.72
c_mcbond_it1.21
c_improper_angle_d0.74
c_bond_d0.016
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2049
Nucleic Acid Atoms
Solvent Atoms185
Heterogen Atoms209

Software

Software
Software NamePurpose
CNSrefinement
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing