4RDH

Crystal structure of E. coli tRNA N6-threonylcarbamoyladenosine dehydratase, TcdA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529525% (w/v) PEG 3350, 0.1 M Hepes, pH 7.5 and 0.2 M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
238.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 65.686α = 90
b = 97.19β = 112.04
c = 84.478γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 270rMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPAL/PLS BEAMLINE 7A (6B, 6C1)0.97902PAL/PLS7A (6B, 6C1)

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
12.1501000.0920.092243.757374
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.12.141000.3750.3755.383.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONSADTHROUGHOUT2.15054282289699.590.150880.148030.20396RANDOM27.88
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]
-1.330.05-1.141.83
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.446
r_dihedral_angle_3_deg16.016
r_dihedral_angle_4_deg15.372
r_long_range_B_refined6.801
r_long_range_B_other6.69
r_dihedral_angle_1_deg5.896
r_scangle_other5.168
r_scbond_it3.399
r_scbond_other3.399
r_mcangle_it3.239
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.446
r_dihedral_angle_3_deg16.016
r_dihedral_angle_4_deg15.372
r_long_range_B_refined6.801
r_long_range_B_other6.69
r_dihedral_angle_1_deg5.896
r_scangle_other5.168
r_scbond_it3.399
r_scbond_other3.399
r_mcangle_it3.239
r_mcangle_other3.239
r_mcbond_it2.216
r_mcbond_other2.216
r_angle_refined_deg1.871
r_angle_other_deg0.869
r_chiral_restr0.106
r_bond_refined_d0.017
r_gen_planes_refined0.009
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7290
Nucleic Acid Atoms
Solvent Atoms426
Heterogen Atoms121

Software

Software
Software NamePurpose
ADSCdata collection
PHENIXmodel building
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling