4TNR

Structure basis of cellular dNTP regulation, SAMHD1-GTP-dATP-dATP 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
2.2445.12

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.916α = 90
b = 141.697β = 115.4
c = 97.524γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6M2013-09-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X251.1NSLSX25

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
12.755099.40.1327.33.954810
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.752.899.63.72735

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 REPLACEMENTTHROUGHOUT4BZB2.755053664272796.270.22480.22380.2422RANDOM24.566
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]
5-8.034.63-1.38
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.469
r_dihedral_angle_3_deg16.3
r_dihedral_angle_4_deg15.221
r_dihedral_angle_1_deg5.298
r_mcangle_it2.229
r_angle_refined_deg1.48
r_mcbond_it1.29
r_mcbond_other1.29
r_angle_other_deg0.877
r_chiral_restr0.09
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.469
r_dihedral_angle_3_deg16.3
r_dihedral_angle_4_deg15.221
r_dihedral_angle_1_deg5.298
r_mcangle_it2.229
r_angle_refined_deg1.48
r_mcbond_it1.29
r_mcbond_other1.29
r_angle_other_deg0.877
r_chiral_restr0.09
r_bond_refined_d0.012
r_gen_planes_refined0.008
r_bond_other_d0.004
r_gen_planes_other0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms15732
Nucleic Acid Atoms
Solvent Atoms22
Heterogen Atoms342

Software

Software
Software NamePurpose
HKL-2000data reduction
REFMACrefinement
PDB_EXTRACTdata extraction