4OZV

Crystal Structure of the periplasmic alginate lyase AlgL


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.62930.2 M ammonium acetate, 0.1 M sodium citrate tribasic dihydrate pH 4.6, 28%(w/v) PEG 4000, 0.3 M PIPES, polymannuronate trisaccharide
Crystal Properties
Matthews coefficientSolvent content
2.2845.95

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.384α = 90
b = 59.576β = 90
c = 102.096γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152011-12-08SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A1.075NSLSX29A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.645095.20.089913.24093517.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.641.771.20.55610.63008

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 DIFFRACTIONFREE R-VALUE1.64240.9511.3540858198495.530.17750.17660.19425.09
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_d12.836
f_angle_d0.961
f_chiral_restr0.038
f_bond_d0.006
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2571
Nucleic Acid Atoms
Solvent Atoms107
Heterogen Atoms13

Software

Software
Software NamePurpose
SCALEPACKdata scaling
HKL-2000data reduction
PDB_EXTRACTdata extraction
PHENIXrefinement