Crystal structure of xylanase 10B from Thermotoga petrophila RKU-1 in complex with xylobiose
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.3 | 291 | PEG 8000, glycerol, litium sulfate, sodium acetate, pH 4.3, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.3 | 46.43 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 58.338 | α = 84.9 |
b = 58.576 | β = 70.86 |
c = 61.659 | γ = 68.93 |
Symmetry | |
---|---|
Space Group | P 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | 2010-05-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS BEAMLINE W01B-MX2 | 1.458 | LNLS | W01B-MX2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.9 | 31.28 | 94.1 | 0.112 | 56289 | 53633 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1.9 | 1.97 | 92.2 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.88 | 31.28 | 48525 | 2581 | 86.69 | 0.23395 | 0.23055 | 0.23 | 0.29852 | 0.29 | RANDOM | 17.601 |
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] | |
-0.25 | 0.1 | 0.09 | 0.03 | -0.15 | 0.11 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.111 |
r_dihedral_angle_4_deg | 17.803 |
r_dihedral_angle_3_deg | 15.94 |
r_dihedral_angle_1_deg | 7.199 |
r_scangle_it | 4.482 |
r_scbond_it | 3.028 |
r_angle_refined_deg | 1.864 |
r_mcangle_it | 1.741 |
r_mcbond_it | 1.079 |
r_chiral_restr | 0.137 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 5454 |
Nucleic Acid Atoms | |
Solvent Atoms | 337 |
Heterogen Atoms | 66 |
Software
Software | |
---|---|
Software Name | Purpose |
MAR345dtb | data collection |
MOLREP | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |