5ZKZ
Crystal Structures of Mutant Endo-beta-1,4-xylanase II(Y77F) Complexed with Xylotriose
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2DFC |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | EVAPORATION | 6 | 291 | 20% PEG 8000, 0.2M NaI, 0.1M MES |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.38 | 48.34 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 49.195 | α = 90 |
b = 59.109 | β = 90 |
c = 69.709 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 80 | CCD | ADSC QUANTUM 315r | 2018-01-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL17U1 | 1.0 | SSRF | BL17U1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||
1 | 1.3 | 45.083 | 99.52 | 0.0319 | 0.999 | 13.99 | 5.8 | 50491 | 12.43 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.3 | 1.346 | 98.62 | 0.2865 | 0.803 | 2.51 | 3.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2DFC | 1.3 | 45.083 | 1.34 | 50473 | 2539 | 99.52 | 0.1731 | 0.173 | 0.1757 | 16.6966 |
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 | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 13.295 |
f_angle_d | 1.455 |
f_chiral_restr | 0.095 |
f_bond_d | 0.015 |
f_plane_restr | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1471 |
Nucleic Acid Atoms | |
Solvent Atoms | 243 |
Heterogen Atoms | 73 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
SCALEPACK | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
PHASER | phasing |