3AYS
GH5 endoglucanase from a ruminal fungus in complex with cellotriose
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 298 | 1.5M sodium citrate, 6mM cellotetraose, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.5 | 50.75 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 82.204 | α = 90 |
b = 82.204 | β = 90 |
c = 221.856 | 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 315 | Rh Coated mirrors | 2010-09-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSRRC BEAMLINE BL13B1 | 1.0000 | NSRRC | BL13B1 |
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 | 2.2 | 30 | 97 | 0.076 | 60.7 | 23.1 | 23418 | 22798 | 3 |
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 | 2.2 | 2.24 | 97.3 | 0.619 | 8.3 | 25 | 1110 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | 3AYR | 2.2 | 30 | 23418 | 21543 | 1165 | 96.97 | 0.164 | 0.16427 | 0.16154 | 0.21826 | RANDOM | 50.464 |
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] | |
1.69 | 0.85 | 1.69 | -2.54 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.554 |
r_dihedral_angle_4_deg | 18.472 |
r_dihedral_angle_3_deg | 16.31 |
r_dihedral_angle_1_deg | 6.634 |
r_scangle_it | 5.141 |
r_scbond_it | 3.359 |
r_angle_refined_deg | 1.913 |
r_mcangle_it | 1.895 |
r_mcbond_it | 1.037 |
r_chiral_restr | 0.128 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2890 |
Nucleic Acid Atoms | |
Solvent Atoms | 180 |
Heterogen Atoms | 34 |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
CNS | refinement |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |