6NFF

Structure of X-prolyl dipeptidyl aminopeptidase from Lactobacillus helveticus


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2955.3 mg/mL protein against 6.8-8.2% PEG3350, 75 mM potassium phosphate, pH 6.0, 1 mM DTT
Crystal Properties
Matthews coefficientSolvent content
3.5764.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 154.63α = 90
b = 154.63β = 90
c = 106.594γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDOXFORD ONYX CCD2017-07-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEOXFORD DIFFRACTION NOVA1.54

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rrim 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
1230.31000.4010.9878.118.387344
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.041004.9520.2490.510.4

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-VALUEPDB entry 1LNS230.31.3385144433297.560.23820.23640.2729
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_d11.946
f_angle_d0.874
f_chiral_restr0.051
f_bond_d0.007
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6395
Nucleic Acid Atoms
Solvent Atoms561
Heterogen Atoms89

Software

Software
Software NamePurpose
PHENIXrefinement
CrysalisProdata collection
CrysalisProdata reduction
Aimlessdata scaling