7QLH

Crystal structure of S-layer protein SlpA from Lactobacillus amylovorus, domain I (aa 48-213)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5293Crystallization condition 0.1 M MES, 40 % v/v MPD, 5 % w/v PEG 8000 Protein solution 20 mg/ml in 20 mM HEPES pH 8.0, 100 mM NaCl Setup 0.5 ul crystallization condition + 0.5 ul protein solution
Crystal Properties
Matthews coefficientSolvent content
2.8256.33

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.543α = 90
b = 91.756β = 90
c = 93.616γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2020-02-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONELETTRA BEAMLINE 11.2C0.94290ELETTRA11.2C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
12.343.7999.020.056620.99919.326.31946845.72
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.32.3820.47320.9594.17

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-VALUE7QLE2.343.791.3419426106599.040.22620.22310.283155.81
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_d4.9061
f_angle_d0.5316
f_chiral_restr0.046
f_plane_restr0.0032
f_bond_d0.0029
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2456
Nucleic Acid Atoms
Solvent Atoms61
Heterogen Atoms11

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing
Cootmodel building