2GT4

Crystal Structure of the Y103F mutant of the GDP-mannose mannosyl hydrolase in complex with GDP-mannose and MG+2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52935mM GDP-mannose 5mM glucose 5mM GDP-mannose 5mM glucose 100 mM Tris HCL p8.5 20% PEG 4000, 0.2 Mg Acetate, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.8768.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 137.785α = 90
b = 93.893β = 91.23
c = 66.103γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDADSC QUANTUM 3152004-10-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X251.1NSLSX25

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
12.35097.60.07214.3336595
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)
2.32.3899.90.40633717

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 REPLACEMENTTHROUGHOUT1RYA2.377.6111138236594188397.550.1880.1880.1860.226RANDOM40.589
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]
0.99-0.49-3.062.06
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.544
r_dihedral_angle_4_deg17.683
r_dihedral_angle_3_deg15.345
r_dihedral_angle_1_deg5.917
r_scangle_it2.469
r_scbond_it1.655
r_angle_refined_deg1.223
r_mcangle_it1.172
r_mcbond_it0.688
r_nbtor_refined0.306
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.544
r_dihedral_angle_4_deg17.683
r_dihedral_angle_3_deg15.345
r_dihedral_angle_1_deg5.917
r_scangle_it2.469
r_scbond_it1.655
r_angle_refined_deg1.223
r_mcangle_it1.172
r_mcbond_it0.688
r_nbtor_refined0.306
r_symmetry_vdw_refined0.198
r_nbd_refined0.197
r_xyhbond_nbd_refined0.158
r_symmetry_hbond_refined0.112
r_chiral_restr0.08
r_bond_refined_d0.01
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3906
Nucleic Acid Atoms
Solvent Atoms345
Heterogen Atoms142

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
MADNESSdata reduction
AMoREphasing