Structural and biochemical characterization of a novel Carbohydrate Binding Module of endoglucanase Cel5A from Eubacterium cellulosolvens
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 4.6 | 292 | 0.23 M AMMONIUM SULFATE, 0.1 M SODIUM ACETATE PH 4.6, 26%(M/V) PEG 2K MME GROWN AT 292 K, USED 30% GLYCEROL AS CRYOPROTECTANT |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.11 | 42 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 47.859 | α = 90 |
b = 47.859 | β = 90 |
c = 191.598 | γ = 120 |
Symmetry | |
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Space Group | P 61 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 QUANTUM 315r | 2010-09-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | 0.9793, 0.97934, 0.9769 | ESRF | ID23-1 |
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 | 1.75 | 63.87 | 99.1 | 0.07 | 10.4 | 5.5 | 13971 |
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 | 1.75 | 1.84 | 94.8 | 0.32 | 1.7 | 3.5 |
Refinement
Statistics | |||||||||||||||||||
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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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | NONE | 1.75 | 41.45 | 13203 | 691 | 98.95 | 0.1902 | 0.18826 | 0.2009 | 0.22712 | 0.2276 | RANDOM | 34.416 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
1.32 | 0.66 | 1.32 | -1.98 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.98 |
r_dihedral_angle_4_deg | 16.587 |
r_dihedral_angle_3_deg | 15.243 |
r_dihedral_angle_1_deg | 7.658 |
r_angle_refined_deg | 2.076 |
r_angle_other_deg | 0.915 |
r_chiral_restr | 0.143 |
r_bond_refined_d | 0.02 |
r_gen_planes_refined | 0.01 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1003 |
Nucleic Acid Atoms | |
Solvent Atoms | 92 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
iMOSFLM | data reduction |
SCALA | data scaling |
SAS | phasing |