1PIZ

RIBONUCLEOTIDE REDUCTASE R2 D84E MUTANT SOAKED WITH FERROUS IONS AT NEUTRAL PH


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1PIMPDB ENTRY 1PIM

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP631020% PEG 4000, 200mM NaCl, 50mM MES, 0.3% dioxane, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 310K
Crystal Properties
Matthews coefficientSolvent content
2.0539.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74α = 90
b = 84.2β = 90
c = 114.2γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMACSCIENCE2000-05-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-10.946SSRLBL9-1

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
11.92594.356881536411112.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.92.0292.4

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1PIM1.923.855364153641273294.30.210.2070.2070.242RANDOM18.8
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]
-2.42.130.27
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d18.9
c_scangle_it1.65
c_mcangle_it1.19
c_angle_deg1.1
c_scbond_it1.07
c_improper_angle_d0.75
c_mcbond_it0.71
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5568
Nucleic Acid Atoms
Solvent Atoms246
Heterogen Atoms15

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing