3K9U

Crystal structure of paia acetyltransferase (ta0374) from thermoplasma acidophilum


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52950.2 M Sodium Bromide, 20% PEG 3350, 0.1 M Bis-Tris propane, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.8957.44

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.28α = 90
b = 70.577β = 90
c = 87.671γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMIRROR2009-03-16MMOLECULAR REPLACEMENT
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-G0.97872APS21-ID-G

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
12.354.9898.70.0860.08617.46971970819708-3
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)
12.32.3498.60.1850.18510.26.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3F0A2.354.981969719697100198.570.1940.1910.247RANDOM21.28
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]
-0.731.25-0.52
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.362
r_dihedral_angle_4_deg22.885
r_dihedral_angle_3_deg16.802
r_dihedral_angle_1_deg6.076
r_scangle_it4.551
r_scbond_it2.855
r_mcangle_it1.746
r_angle_refined_deg1.472
r_mcbond_it0.901
r_angle_other_deg0.858
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.362
r_dihedral_angle_4_deg22.885
r_dihedral_angle_3_deg16.802
r_dihedral_angle_1_deg6.076
r_scangle_it4.551
r_scbond_it2.855
r_mcangle_it1.746
r_angle_refined_deg1.472
r_mcbond_it0.901
r_angle_other_deg0.858
r_mcbond_other0.235
r_chiral_restr0.086
r_bond_refined_d0.015
r_gen_planes_refined0.005
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2652
Nucleic Acid Atoms
Solvent Atoms75
Heterogen Atoms107

Software

Software
Software NamePurpose
Blu-Icedata collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-3000data scaling