1MR5

Orthorhombic form of Trypanosoma cruzi trans-sialidase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5291PEG 4000, TrisHCl, isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.448.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 87.029α = 90
b = 88.021β = 90
c = 89.564γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42001-05-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-10.934ESRFID14-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.253099.70.0593323233232
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.252.3799.40.228

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTpdb id 1MZ52.2527.843146631466166799.50.2210.221040.218190.27368RANDOM20.543
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]
0.89-0.16-0.73
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg18.806
r_dihedral_angle_1_deg5.242
r_scangle_it4.131
r_scbond_it2.631
r_angle_refined_deg1.965
r_mcangle_it1.684
r_mcbond_it0.979
r_angle_other_deg0.863
r_symmetry_vdw_refined0.367
r_symmetry_hbond_refined0.314
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg18.806
r_dihedral_angle_1_deg5.242
r_scangle_it4.131
r_scbond_it2.631
r_angle_refined_deg1.965
r_mcangle_it1.684
r_mcbond_it0.979
r_angle_other_deg0.863
r_symmetry_vdw_refined0.367
r_symmetry_hbond_refined0.314
r_symmetry_vdw_other0.24
r_nbd_refined0.226
r_nbd_other0.222
r_xyhbond_nbd_refined0.146
r_chiral_restr0.114
r_xyhbond_nbd_other0.096
r_bond_refined_d0.021
r_gen_planes_refined0.008
r_gen_planes_other0.002
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4842
Nucleic Acid Atoms
Solvent Atoms132
Heterogen Atoms

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing
REFMACrefinement
CCP4data scaling