2F6D

Structure of the complex of a glucoamylase from Saccharomycopsis fibuligera with acarbose


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.429550 mM acetate buffer, 15% PEG 8K, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.1542.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.58α = 90
b = 85.35β = 90
c = 97.51γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100AREA DETECTORMARRESEARCHmirrors2002-07-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X110.9096EMBL/DESY, HAMBURGX11

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
11.61094.50.04317.53.49592661115.6
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)
11.61.620.1444.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 1AYX1.610256255301094.040.120.119750.117620.15958RANDOM12.659
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]
-0.210.48-0.27
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.733
r_scangle_it3.318
r_sphericity_free2.593
r_scbond_it2.237
r_sphericity_bonded1.82
r_angle_refined_deg1.609
r_mcangle_it1.535
r_rigid_bond_restr1.184
r_angle_other_deg1.047
r_mcbond_it0.938
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.733
r_scangle_it3.318
r_sphericity_free2.593
r_scbond_it2.237
r_sphericity_bonded1.82
r_angle_refined_deg1.609
r_mcangle_it1.535
r_rigid_bond_restr1.184
r_angle_other_deg1.047
r_mcbond_it0.938
r_symmetry_vdw_other0.274
r_nbd_other0.248
r_symmetry_hbond_refined0.218
r_nbd_refined0.217
r_symmetry_vdw_refined0.21
r_xyhbond_nbd_refined0.193
r_chiral_restr0.159
r_nbtor_other0.085
r_gen_planes_refined0.015
r_gen_planes_other0.015
r_bond_refined_d0.011
r_bond_other_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3870
Nucleic Acid Atoms
Solvent Atoms810
Heterogen Atoms95

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing