2XBT
Structure of a scaffoldin carbohydrate-binding module family 3b from the cellulosome of Bacteroides cellulosolvens: Structural diversity and implications for carbohydrate binding
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7 | 1.0 M AMMONIUM SULFATE, 0.1 M HEPES PH 7.0, 0.5% (W/V) POLYETHYLENE GLYCOL 8000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.41 | 49 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 83.193 | α = 90 |
b = 83.193 | β = 90 |
c = 96.139 | γ = 90 |
Symmetry | |
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Space Group | I 41 2 2 |
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 | CCD | ADSC CCD | MIRRORS | 2009-09-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | ESRF | ID29 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.83 | 50 | 98.3 | 0.08 | 0.08 | 29.2 | 8.64 | 15209 | 25.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.83 | 1.86 | 97 | 0.54 | 0.54 | 1.9 | 4.5 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution 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 | PDB ENTRY 1NBC | 1.832 | 34.697 | 0.2 | 14099 | 1396 | 92.78 | 0.1963 | 0.1913 | 0.2416 | 23.07 |
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] | |
0.3177 | 0.3177 | -0.6354 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 14.532 |
f_angle_d | 1.091 |
f_chiral_restr | 0.076 |
f_bond_d | 0.007 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1211 |
Nucleic Acid Atoms | |
Solvent Atoms | 135 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |