3OTB

Crystal structure of human tRNAHis guanylyltransferase (Thg1) - dGTP complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1hanging drop7298Na Formate, pH 7, hanging drop, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
3.1961.41

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 140.912α = 90
b = 140.912β = 90
c = 81.227γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray104CCDMARMOSAIC 300 mm CCDAdjustable focusing mirrorsMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 23-ID-D1.033APS23-ID-D

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
12.953099.70.08615.11417903
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)
12.953.0699.90.95712.11743

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT2.953017681177099.70.25440.3014100.9726
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]
-6.066-6.06612.133
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it7.805
c_mcangle_it6.289
c_scbond_it5.606
c_mcbond_it4.024
c_angle_d1.232
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3950
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms94

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
CNSrefinement
PDB_EXTRACTdata extraction