3AHX
Crystal structure of beta-glucosidase A from bacterium Clostridium cellulovorans
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1OD0 | PDB ENTRY 1OD0 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 298 | 0.1M Hepes, 21-23%(w/v) PEG 3350, 0.3-0.45M Li2SO4, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.59 | 52.43 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 128.498 | α = 90 |
b = 128.498 | β = 90 |
c = 264.06 | γ = 90 |
Symmetry | |
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Space Group | P 41 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 | ADSC QUANTUM 315 | Vertically Collimating Premirror, Toroidal Focusing Mirror | 2008-11-09 | 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 | 1.9 | 30 | 99.2 | 0.062 | 27.5 | 6.7 | 172709 | 171402 | 1 | 31 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
1.9 | 1.97 | 98 | 0.323 | 3.8 | 3.8 | 17061 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1OD0 | 1.9 | 28.3 | 151131 | 7980 | 92.04 | 0.14867 | 0.14606 | 0.19832 | RANDOM | 20.123 |
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 | 1.69 | -3.38 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.031 |
r_dihedral_angle_4_deg | 18.978 |
r_dihedral_angle_3_deg | 12.089 |
r_sphericity_free | 6.292 |
r_dihedral_angle_1_deg | 4.698 |
r_scangle_it | 4.635 |
r_sphericity_bonded | 3.303 |
r_scbond_it | 3.111 |
r_rigid_bond_restr | 2.042 |
r_mcangle_it | 2.01 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 14530 |
Nucleic Acid Atoms | |
Solvent Atoms | 2147 |
Heterogen Atoms | 42 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
CNS | refinement |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |