Chitodextrinase catalytic and C-terminal domain in complex with allosamidin from Vibrio cholerae


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFoldThe model was generated based on protein sequence

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52920.1M Sodium HEPES, 0.05M Cadmium sulfate 8/3 hydrate, 1.0M Sodium acetate trihydrate
Crystal Properties
Matthews coefficientSolvent content
3.4964.83

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 118.129α = 90
b = 118.129β = 90
c = 199.107γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 X 9M2024-03-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSRRC BEAMLINE TPS 05A0.99987NSRRCTPS 05A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim 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
12.61102.392.50.1960.2010.0460.99812.619.113157
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.613.143.21.8131.870.450.8642.316.7

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE3.555.681.351153359455.290.20890.20620.20780.25750.259560.87
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_d6.4843
f_angle_d0.8722
f_chiral_restr0.0542
f_plane_restr0.0077
f_bond_d0.0052
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5318
Nucleic Acid Atoms
Solvent Atoms25
Heterogen Atoms50

Software

Software
Software NamePurpose
PHENIXrefinement
PHASERphasing
HKL-2000data reduction
autoPROCdata scaling