4OJZ

Crystal Structure of Alg17c Mutant Y258A Complexed with Alginate Trisaccharide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP82890.1 M Tris, 5% 2-methyl-2,4-pentanediol (MPD), 10% Polyethylene glycol (PEG) 6000, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.7755.56

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 85.82α = 90
b = 128.62β = 111.81
c = 88.13γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray77CCDMARMOSAIC 300 mm CCD2013-02-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-G0.97857APS21-ID-G

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.92599.415.153.68139591
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.9999.73.073.6919851

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT1.924131865694199.560.180890.179410.20911RANDOM22.178
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]
-0.23-0.112.42-1.63
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.037
r_dihedral_angle_4_deg15.545
r_dihedral_angle_3_deg12.85
r_dihedral_angle_1_deg5.507
r_angle_refined_deg1.047
r_chiral_restr0.078
r_bond_refined_d0.006
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11087
Nucleic Acid Atoms
Solvent Atoms1433
Heterogen Atoms82

Software

Software
Software NamePurpose
MAR345dtbdata collection
SHARPphasing
REFMACrefinement
HKL-3000data reduction
HKL-3000data scaling