3R0D

Crystal structure of Cytosine Deaminase from Escherichia Coli complexed with two zinc atoms in the active site


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3O7U 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529335% Pentaerythritol Propoxylate, 0.05 M Hepes, 0.2M potassium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties
Matthews coefficientSolvent content
4.2771.19

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 145.492α = 90
b = 145.492β = 90
c = 199.704γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42011-02-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X4A0.97915NSLSX4A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.50139.12999.4112809412809423.32

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)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 REPLACEMENT3O7U1.50139.129128094128094643899.410.19560.19560.19470.2126RANDOM
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]
2.82722.8272-5.6544
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.132
f_angle_d0.983
f_chiral_restr0.064
f_bond_d0.006
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3313
Nucleic Acid Atoms
Solvent Atoms233
Heterogen Atoms40

Software

Software
Software NamePurpose
ADSCdata collection
BALBESphasing
PHENIXrefinement
DENZOdata reduction
SCALEPACKdata scaling