2C7F
The Structure of a family 51 arabinofuranosidase, Araf51, from Clostridium thermocellum in complex with 1,5-alpha-L-Arabinotriose.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 5.0M SODIUM ACETATE,0.1M SODIUM CACODYLATE PH 6.5,5% DIOXANE |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.04 | 59.22 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 173.341 | α = 90 |
b = 173.341 | β = 90 |
c = 272.68 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 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 | MARRESEARCH | TOROIDAL MIRROR | 2005-05-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-3 | ESRF | ID14-3 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.7 | 59.76 | 99.9 | 0.1 | 11.2 | 3.7 | 113914 |
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 | 2.7 | 2.85 | 99.9 | 0.59 | 2.8 | 3.8 |
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 | OTHER | THROUGHOUT | 2.7 | 145.86 | 108059 | 5684 | 99.7 | 0.243 | 0.242 | 0.255 | RANDOM | 45.71 |
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] | |
0.43 | 0.43 | -0.86 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.368 |
r_dihedral_angle_3_deg | 16.982 |
r_dihedral_angle_1_deg | 16.828 |
r_dihedral_angle_4_deg | 15.121 |
r_angle_refined_deg | 1.558 |
r_symmetry_vdw_refined | 0.417 |
r_nbtor_refined | 0.305 |
r_scangle_it | 0.297 |
r_symmetry_hbond_refined | 0.222 |
r_nbd_refined | 0.202 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 23734 |
Nucleic Acid Atoms | |
Solvent Atoms | 117 |
Heterogen Atoms | 186 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |