3NUK

THE CRYSTAL STRUCTURE OF THE W169Y mutant of ALPHA-GLUCOSIDASE (FAMILY 31) from RUMINOCOCCUS OBEUM ATCC 29174


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3N04 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.52890.1M BIS-TRIS, 25% PEG3350, 10% Isomaltose, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.3447.53

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68.798α = 90
b = 125.531β = 107.82
c = 88.296γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rmirror2010-04-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97921APS19-ID

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
12.053598.80.09419.83.58727587275
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)
2.052.0998.10.7041.4498.1

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT3N042.05534.6960.117668276682386286.440.19720.19450.2473
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]
21.09141.6543-10.8049-10.2865
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.293
f_angle_d1.029
f_chiral_restr0.073
f_bond_d0.007
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10770
Nucleic Acid Atoms
Solvent Atoms326
Heterogen Atoms6

Software

Software
Software NamePurpose
SBC-Collectdata collection
MOLREPphasing
PHENIXrefinement
HKL-3000data reduction
HKL-3000data scaling