4TNZ

Structure basis of cellular dNTP regulation, SAMHD1-GTP-dATP-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
2.2846.03

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 86.126α = 90
b = 141.749β = 116.29
c = 98.474γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152013-10-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.9792APS24-ID-E

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
12.38501000.1497.4583563
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.42.441000.94.94104

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 REPLACEMENTTHROUGHOUT4BZB2.3888.2983068415898.430.21320.21160.2433RANDOM79.101
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]
3.111.75-4.27-0.38
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.015
r_dihedral_angle_3_deg16.264
r_dihedral_angle_4_deg14.733
r_dihedral_angle_1_deg5.228
r_mcangle_it4.318
r_mcbond_it2.833
r_mcbond_other2.833
r_angle_refined_deg1.422
r_angle_other_deg0.947
r_chiral_restr0.078
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.015
r_dihedral_angle_3_deg16.264
r_dihedral_angle_4_deg14.733
r_dihedral_angle_1_deg5.228
r_mcangle_it4.318
r_mcbond_it2.833
r_mcbond_other2.833
r_angle_refined_deg1.422
r_angle_other_deg0.947
r_chiral_restr0.078
r_bond_refined_d0.011
r_gen_planes_refined0.008
r_bond_other_d0.005
r_gen_planes_other0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms15716
Nucleic Acid Atoms
Solvent Atoms147
Heterogen Atoms372

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
PDB_EXTRACTdata extraction
DENZOdata reduction
SCALEPACKdata scaling