Crystal structure of apo GHdex dextranase (BT3087), E360A catalytic mutant


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5AXH 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.62932M ammonium sulphate 0.2M Potassium sodium tartrate 0.1M sodium citrate pH 5.6
Crystal Properties
Matthews coefficientSolvent content
2.7455.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 92.862α = 90
b = 92.862β = 90
c = 330.684γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2021-06-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I240.97940DiamondI24

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
12.1330.681000.8920.9270.2510.995.925.985740
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.12.1410017.9055.0210.71.224.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.189.40485542426099.9310.1920.19030.19030.22950.229540.846
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]
1.2611.261-2.522
RMS Deviations
KeyRefinement Restraint Deviation
r_lrange_it26.182
r_dihedral_angle_3_deg14.058
r_dihedral_angle_6_deg13.806
r_dihedral_angle_2_deg13.286
r_scangle_it7.921
r_dihedral_angle_1_deg7.124
r_scbond_it5.528
r_mcangle_it4.28
r_mcbond_it3.09
r_angle_refined_deg1.791
RMS Deviations
KeyRefinement Restraint Deviation
r_lrange_it26.182
r_dihedral_angle_3_deg14.058
r_dihedral_angle_6_deg13.806
r_dihedral_angle_2_deg13.286
r_scangle_it7.921
r_dihedral_angle_1_deg7.124
r_scbond_it5.528
r_mcangle_it4.28
r_mcbond_it3.09
r_angle_refined_deg1.791
r_symmetry_nbd_refined0.345
r_nbtor_refined0.311
r_nbd_refined0.238
r_xyhbond_nbd_refined0.206
r_symmetry_xyhbond_nbd_refined0.151
r_chiral_restr0.112
r_ncsr_local_group_10.064
r_bond_refined_d0.007
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9020
Nucleic Acid Atoms
Solvent Atoms764
Heterogen Atoms166

Software

Software
Software NamePurpose
REFMACrefinement
REFMACrefinement
Aimlessdata scaling
DIALSdata reduction
MrBUMPphasing
PARROTphasing
Cootmodel building