4TNP

Structural basis of cellular dNTP regulation, SAMHD1-GTP-dCTP-cCTP complex


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH MODE7.4298SPG buffer, PEG 1500
Crystal Properties
Matthews coefficientSolvent content
2.1542.73

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.507α = 90
b = 140.753β = 114.79
c = 97.49γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6M2014-02-20MSINGLE 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
125098.50.1258.13.2131807
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.0398.736638

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 REPLACEMENTTHROUGHOUT4BZB250131610654797.780.1990.19780.2216RANDOM32.077
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]
3.29-2.03-1.940.36
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.705
r_dihedral_angle_3_deg15.518
r_dihedral_angle_4_deg14.701
r_dihedral_angle_1_deg5.151
r_mcangle_it3.241
r_mcbond_it2.002
r_mcbond_other2.001
r_angle_refined_deg1.474
r_angle_other_deg1.25
r_chiral_restr0.086
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.705
r_dihedral_angle_3_deg15.518
r_dihedral_angle_4_deg14.701
r_dihedral_angle_1_deg5.151
r_mcangle_it3.241
r_mcbond_it2.002
r_mcbond_other2.001
r_angle_refined_deg1.474
r_angle_other_deg1.25
r_chiral_restr0.086
r_bond_refined_d0.01
r_gen_planes_refined0.007
r_bond_other_d0.006
r_gen_planes_other0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms15720
Nucleic Acid Atoms
Solvent Atoms334
Heterogen Atoms356

Software

Software
Software NamePurpose
HKL-2000data reduction
REFMACrefinement
PDB_EXTRACTdata extraction