Crystal Structure of the GGDEF domain (residues 31-260) of Diguanylate Cyclase from Vibrio cholerae serotype O1


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5292Protein: 5.6mg/ml, 0.15M Sodium chloride, 0.01M Tris pH 8.3; Screen: PEGs II (C4), 0.2M Magnesium chloride, 0.1M MES pH 6.5, 10% (w/v) PEG4000; Cryo: PEGs II (D3), 0.2M Magnesium chloride, 0.1M MES pH 6.5, 25% (w/v) PEG4000
Crystal Properties
Matthews coefficientSolvent content
1.9637.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.63α = 90
b = 76.844β = 90
c = 86.827γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 9M2021-12-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D0.97895APS21-ID-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)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
123099.40.1730.1730.0480.99916.313.528689-324.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.0399.70.3130.7942.513.6

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT228.7926914144699.380.18470.18170.19520.24030.2443RANDOM30.508
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]
0.31-2.522.21
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg8.013
r_dihedral_angle_1_deg3.161
r_dihedral_angle_2_deg1.753
r_angle_refined_deg1.371
r_angle_other_deg0.447
r_chiral_restr0.068
r_gen_planes_refined0.02
r_gen_planes_other0.018
r_bond_refined_d0.005
r_bond_other_d0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3462
Nucleic Acid Atoms
Solvent Atoms271
Heterogen Atoms4

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-3000data reduction
HKL-3000data scaling
PHENIXphasing