7Z2W

Escherichia coli periplasmic phytase AppA D304A,T305E mutant, complex with myo-inositol hexakissulfate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5289100 mM MES pH 6.5, 18 % w/v PEG 8000, 200 mM calcium acetate. Soaked in 20 % w/v PEG 3350, 9 mM IHS in 0.6 M glycine pH 3.0, 20 % glycerol.
Crystal Properties
Matthews coefficientSolvent content
2.1743.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 63.63α = 90
b = 47.45β = 100.52
c = 65.52γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2017-10-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I030.9762DiamondI03

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rpim I (All)CC (Half)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
11.4241.2798.070.0440.9989.993.37131514.96
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.421.4710.5610.4881.42

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 (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1DKL1.4241.271.3471315357498.080.15440.15270.187719.77
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d9.1749
f_angle_d0.9162
f_chiral_restr0.0794
f_plane_restr0.0072
f_bond_d0.0062
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3111
Nucleic Acid Atoms
Solvent Atoms360
Heterogen Atoms59

Software

Software
Software NamePurpose
PHENIXrefinement
PHENIXrefinement
xia2data reduction
pointlessdata scaling
PHASERphasing