7LJH

Structure of poly(aspartic acid) hydrolase PahZ2 with Zn+2 bound


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29515% PEG 3350, 0.1 M HEPES pH 6.5, and the silver bullets D4 (Hampton) cocktail (0.005M gadolinium(III) chloride hexahydrate, 0.005M samarium(III) chloride hexahydrate, 0.05M benzamidine hydrochloride, 0.25% w/v salicin, and 0.02M HEPES pH 6.8)
Crystal Properties
Matthews coefficientSolvent content
4.0869.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.399α = 90
b = 146.174β = 90
c = 197.238γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 S 6M2020-07-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.28273ALS8.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.5117.4499.340.99716.4324926558.11
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.590.5911.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONSADFREE R-VALUE2.5117.441.3549257192599.340.18570.18460.212867.86
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_d15.4761
f_angle_d0.5235
f_chiral_restr0.042
f_plane_restr0.0026
f_bond_d0.0021
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5926
Nucleic Acid Atoms
Solvent Atoms202
Heterogen Atoms28

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
AutoSolphasing