Crystal structure of an uncommon cellulosome-related protein module from Ruminococcus flavefaciens that resembles papain-like cysteine peptidases
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 6.5 | 293 | 0.2M ammonium acetate, 0.1M BIS-TRIS and 25% w/v polyethylene glycol 3350, pH 6.5, VAPOR DIFFUSION, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.31 | 46.64 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.811 | α = 90 |
b = 60.605 | β = 107.66 |
c = 66.126 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | 2008-07-20 | M | SAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | 0.9795 | ESRF | ID14-4 |
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 | 1.38 | 50 | 95.9 | 0.051 | 15.4 | 7.3 | 182049 |
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 | 1.38 | 1.4 | 83.5 | 0.449 | 5.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | SAD | 1.383 | 38.935 | 1.37 | 182049 | 2002 | 91.41 | 0.1271 | 0.1265 | 0.1268 | 0.1524 | 0.1517 | 18.123 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 12.703 |
f_angle_d | 1.195 |
f_chiral_restr | 0.071 |
f_bond_d | 0.009 |
f_plane_restr | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3808 |
Nucleic Acid Atoms | |
Solvent Atoms | 720 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
SHELX | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
DNA | data collection |
DENZO | data reduction |
SHELXCD | phasing |
SHELXE | model building |