3B69

T cruzi Trans-sialidase complex with benzoylated NANA derivative


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529310% PEG4000, 5% isopropanol, 0.1M HEPES, pH 7.5, vapor diffusion, hanging drop, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.5651.89

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.43α = 90
b = 129.2β = 107.53
c = 54.44γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110IMAGE PLATEMAR scanner 345 mm plateVarimaxHF mirrors2007-05-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.5418

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
11.6764.59991.80.0310.03116.82.1764757647511
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)
1.671.7674.60.2450.2453.12.19110

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2AH21.675033347647573113214988.20.1470.1470.1470.183random, the twin operator (l,-k,h) was taken into account to keep the same test flag for the twin pairs26.606
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]
-1.0214.853-3.0364.057
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_deg25.75673
c_scangle_it2.426
c_mcangle_it1.851
c_angle_deg1.71213
c_scbond_it1.672
c_mcbond_it1.15
c_improper_angle_deg0.98166
c_bond_d0.013
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4883
Nucleic Acid Atoms
Solvent Atoms378
Heterogen Atoms60

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing
CNSrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection