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Crystal structure of non-specific endoxylanase from Acetivibrio clariflavus (AcXyn30B), that belongs to subfamily GH30_12.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.5293Sodium formate, Ammonium acetate, Sodium citrate tribasic dihydrate, Potassium sodium tartrate tetrahydrate, Sodium oxamate, Tris (base), BICINE, MPD, PEG 1000, PEG 3350
Crystal Properties
Matthews coefficientSolvent content
2.1943.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.598α = 90
b = 72.945β = 90
c = 90.922γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2024-11-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX IV BEAMLINE BioMAX0.729MAX IVBioMAX

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
11.1448.361000.0910.0990.0370.99715.113.4156623
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)
11.141.1699.90.5550.60.2260.934413.5

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-VALUE1.1448.36156457776999.9480.1550.15390.15250.16930.168214.159
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]
-0.1290.307-0.177
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_6_deg16.747
r_dihedral_angle_3_deg11.609
r_dihedral_angle_2_deg7.801
r_dihedral_angle_1_deg6.985
r_lrange_it4.447
r_lrange_other4.27
r_scangle_it2.531
r_scangle_other2.531
r_angle_refined_deg1.968
r_scbond_it1.698
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_6_deg16.747
r_dihedral_angle_3_deg11.609
r_dihedral_angle_2_deg7.801
r_dihedral_angle_1_deg6.985
r_lrange_it4.447
r_lrange_other4.27
r_scangle_it2.531
r_scangle_other2.531
r_angle_refined_deg1.968
r_scbond_it1.698
r_scbond_other1.698
r_mcangle_other1.249
r_mcangle_it1.246
r_mcbond_it0.888
r_mcbond_other0.871
r_angle_other_deg0.685
r_nbd_refined0.222
r_symmetry_nbd_refined0.217
r_nbtor_refined0.193
r_xyhbond_nbd_refined0.191
r_symmetry_nbd_other0.189
r_symmetry_xyhbond_nbd_refined0.164
r_nbd_other0.162
r_symmetry_xyhbond_nbd_other0.156
r_chiral_restr0.102
r_symmetry_nbtor_other0.086
r_metal_ion_refined0.014
r_bond_refined_d0.013
r_gen_planes_refined0.012
r_gen_planes_other0.002
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3357
Nucleic Acid Atoms
Solvent Atoms540
Heterogen Atoms9

Software

Software
Software NamePurpose
REFMACrefinement
PHASERphasing
Aimlessdata scaling
XDSdata reduction