3BOB

Carbonic anhydrase from marine diatom Thalassiosira weissflogii- cadmium bound domain 2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.52980.1 M sodium citrate, 20% (w/v) PEG3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.0840.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.283α = 90
b = 78.202β = 90
c = 37.054γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-11-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A1.08NSLSX29A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.45095.40.0736.83596635966-318.1
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.41.4592.50.443

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONSADTHROUGHOUT1.4524.833251132511161595.70.1670.1670.194RANDOM18.9
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]
4.02-1.08-2.94
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.4
c_scangle_it4.88
c_scbond_it3.69
c_mcangle_it2.51
c_mcbond_it2.04
c_angle_deg1.6
c_bond_d0.008
c_bond_d_na
c_bond_d_prot
c_angle_d
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.4
c_scangle_it4.88
c_scbond_it3.69
c_mcangle_it2.51
c_mcbond_it2.04
c_angle_deg1.6
c_bond_d0.008
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1568
Nucleic Acid Atoms
Solvent Atoms250
Heterogen Atoms1

Software

Software
Software NamePurpose
CNSrefinement
CBASSdata collection
DENZOdata reduction
SCALEPACKdata scaling
SHELXSphasing