1H7B

Structural basis for allosteric substrate specificity regulation in class III ribonucleotide reductases, native NRDD


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.530% PEG 400, 0.2M MGCL2, 0.1M HEPES PH 7.5, 7MM DTT
Crystal Properties
Matthews coefficientSolvent content
4.2871.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 98.019α = 90
b = 98.019β = 90
c = 242.421γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plateBENT MIRROR2000-12-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I711MAX III711

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
12.4220950.07624.34.64374649.4
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)
12.422.4696.40.2694

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMIRTHROUGHOUT2.4519.8742011354894.80.2240.2240.258RANDOM57.4
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]
4.664.66-9.33
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.4
c_angle_deg1.8
c_improper_angle_d1.09
c_bond_d0.014
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.4
c_angle_deg1.8
c_improper_angle_d1.09
c_bond_d0.014
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_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4213
Nucleic Acid Atoms
Solvent Atoms110
Heterogen Atoms5

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CCP4phasing
SHARPphasing
CNSrefinement