2JE8
Structure of a beta-mannosidase from Bacteroides thetaiotaomicron
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 7 | 0.15-0.35 M NABR, 6-12% W/V PEG 3350 AND 0.1 M BIS TRIS PROPANE PH7 OR 0.08-0.2 M KSCN 8-15% W/V PEG 3350 AND 0.1 M BIS TRIS PROPANE, pH 7.00 |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.16 | 42.52 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 91.463 | α = 90 |
b = 115.997 | β = 113.42 |
c = 99.146 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 1 21 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 | ADSC CCD | TOROIDAL MIRRORS | 2005-09-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | ESRF | ID14-4 |
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 | 1.7 | 39.56 | 100 | 0.06 | 15.3 | 4.1 | 2 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.7 | 1.79 | 100 | 0.27 | 5.3 | 4.1 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.7 | 39.56 | 197589 | 10324 | 100 | 0.157 | 0.155 | 0.188 | RANDOM | 17.25 |
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] | |
-0.08 | -0.12 | 0.04 | -0.05 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.41 |
r_dihedral_angle_4_deg | 19.426 |
r_dihedral_angle_3_deg | 12.614 |
r_dihedral_angle_1_deg | 6.626 |
r_scangle_it | 4.056 |
r_scbond_it | 2.671 |
r_angle_refined_deg | 1.651 |
r_mcangle_it | 1.564 |
r_mcbond_it | 1.434 |
r_nbtor_refined | 0.311 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 13693 |
Nucleic Acid Atoms | |
Solvent Atoms | 1856 |
Heterogen Atoms | 115 |
Software
Software | |
---|---|
Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
SHELXD | phasing |
MLPHARE | phasing |
REFMAC | refinement |