2R49
Mutational and Structural Studies of E85I Reveal the Flexible Loops of Fibrobacter succinogenes 1,3-1,4-beta-D-GlucanaseGlucanase
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1ZM1 | PDB ENTRY 1ZM1 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | LIQUID DIFFUSION | 6.5 | 298 | 30% PEG6000, 0.1M CsCl, 0.1M MES (pH5.6), pH6.5, LIQUID DIFFUSION, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.53 | 51.43 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 69.59 | α = 90 |
b = 69.59 | β = 90 |
c = 97.41 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 120 | IMAGE PLATE | RIGAKU RAXIS IV | 2005-05-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.54 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.2 | 38 | 99.6 | 0.098 | 14.2 | 4.9 | 14319 | 1 | 18.9 |
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) | |||||||||||
2.2 | 2.28 | 98.9 | 0.242 | 8.14 | 1398 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1ZM1 | 2.2 | 37.88 | 14319 | 14182 | 1435 | 98.8 | 0.198 | 0.198 | 0.269 | RANDOM | 29.4 |
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] | |
-3.9 | -4.9 | -3.9 | 7.8 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 27 |
c_scangle_it | 2.92 |
c_mcangle_it | 2.23 |
c_scbond_it | 2.1 |
c_angle_deg | 1.8 |
c_mcbond_it | 1.44 |
c_improper_angle_d | 0.99 |
c_bond_d | 0.013 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1900 |
Nucleic Acid Atoms | |
Solvent Atoms | 199 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
CrystalClear | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |