1MWO

Crystal Structure Analysis of the Hyperthermostable Pyrocoocus woesei alpha-amylase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5292PEG-MME 550, zinc sulfate, MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties
Matthews coefficientSolvent content
2.652.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.88α = 90
b = 78.2β = 90
c = 106.289γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2000-07-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X110.91EMBL/DESY, HamburgX11

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
12.22097.70.0610.23.4260042600427.1
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)
2.293.10.178326004

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSIRASTHROUGHOUT2.220259672596799595.30.190.190.224RANDOM26.4
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]
-8.7134.1494.563
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.32
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3569
Nucleic Acid Atoms
Solvent Atoms398
Heterogen Atoms7

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
CNSrefinement