4TNQ

Structural basis of cellular dNTP regulation, SAMHD1-GTP-dTTP-dTTP complex


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4BZB 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH MODE298SPG buffer, PEG 1500
Crystal Properties
Matthews coefficientSolvent content
2.1342.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.159α = 90
b = 140.292β = 114.56
c = 97.268γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6M2014-03-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.9792APS24-ID-C

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
12.555095.40.08910.64.561164
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)
12.552.5972.50.3833.72272

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4BZB2.555061141296695.070.16310.16140.1976RANDOM40.199
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]
4.11-2.02-1.29-0.69
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.177
r_dihedral_angle_4_deg17.316
r_dihedral_angle_3_deg17.265
r_dihedral_angle_1_deg5.39
r_mcangle_it4.595
r_mcbond_it2.956
r_mcbond_other2.956
r_angle_refined_deg1.574
r_angle_other_deg1.315
r_chiral_restr0.086
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.177
r_dihedral_angle_4_deg17.316
r_dihedral_angle_3_deg17.265
r_dihedral_angle_1_deg5.39
r_mcangle_it4.595
r_mcbond_it2.956
r_mcbond_other2.956
r_angle_refined_deg1.574
r_angle_other_deg1.315
r_chiral_restr0.086
r_bond_refined_d0.013
r_gen_planes_refined0.008
r_bond_other_d0.007
r_gen_planes_other0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms15688
Nucleic Acid Atoms
Solvent Atoms238
Heterogen Atoms364

Software

Software
Software NamePurpose
HKL-2000data reduction
REFMACrefinement
PDB_EXTRACTdata extraction