Crystal structure of a GH128 (subgroup I) endo-beta-1,3-glucanase from Amycolatopsis mediterranei (AmGH128_I) in complex with laminaritriose
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 291 | 8% PEG20000 8% PEGMME 550 0.1 M sodium acetate 0.2 M magnesium chloride |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.59 | 52.56 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 37.758 | α = 90 |
b = 77.98 | β = 102.45 |
c = 46.228 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | 100 | PIXEL | DECTRIS PILATUS 2M | 2016-11-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS BEAMLINE W01B-MX2 | 1.239850 | LNLS | W01B-MX2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.4 | 45.15 | 94.7 | 0.999 | 15.73 | 4.62 | 48504 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.4 | 1.49 | 0.672 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (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 Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.4 | 36.9 | 46173 | 2335 | 94.72 | 0.1698 | 0.1692 | 0.18 | 0.1817 | 0.18 | RANDOM | 18.638 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
0.59 | 0.42 | -0.33 | -0.41 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.416 |
r_dihedral_angle_4_deg | 17.389 |
r_dihedral_angle_3_deg | 11.801 |
r_dihedral_angle_1_deg | 7.144 |
r_mcangle_it | 3.151 |
r_angle_other_deg | 2.416 |
r_mcbond_it | 2.323 |
r_mcbond_other | 2.289 |
r_angle_refined_deg | 1.803 |
r_chiral_restr | 0.096 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1813 |
Nucleic Acid Atoms | |
Solvent Atoms | 305 |
Heterogen Atoms | 34 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |
XSCALE | data scaling |
PHASER | phasing |