6XQG
Crystal structure of SCLam E144S mutant, a non-specific endo-beta-1,3(4)-glucanase from family GH16, co-crystallized with 1,3-beta-D-cellobiosyl-cellobiose, presenting a 1,3-beta-D-cellobiosyl-glucose at active site
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 291 | 30 % PEG4000, 0.1 M MgCl, and 0.1 M Tris |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
1.81 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 38.73 | α = 90 |
b = 48.97 | β = 90 |
c = 114.27 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2015-11-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS BEAMLINE W01B-MX2 | 1.4586 | LNLS | W01B-MX2 |
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) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||
1 | 2.15 | 45.01 | 100 | 0.179 | 0.198 | 0.082 | 0.967 | 5.4 | 5.8 | 12437 |
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) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.15 | 2.22 | 100 | 0.822 | 0.926 | 0.417 | 0.465 | 5.3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 6XOF | 2.15 | 45.01 | 11788 | 602 | 99.96 | 0.1856 | 0.1826 | 0.2438 | RANDOM | 26.528 |
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] | |
-0.28 | 1.62 | -1.34 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.438 |
r_dihedral_angle_4_deg | 21.723 |
r_dihedral_angle_3_deg | 13.786 |
r_dihedral_angle_1_deg | 8.361 |
r_angle_refined_deg | 1.828 |
r_angle_other_deg | 1.365 |
r_chiral_restr | 0.077 |
r_bond_refined_d | 0.012 |
r_gen_planes_refined | 0.01 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1941 |
Nucleic Acid Atoms | |
Solvent Atoms | 156 |
Heterogen Atoms | 35 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
Aimless | data scaling |
PHASER | phasing |
PDB_EXTRACT | data extraction |
iMOSFLM | data reduction |