1F6H
COMBINED RIETVELD AND STEREOCHEMICAL RESTRAINT REFINEMENT OF A PROTEIN
POWDER DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | grinding | 6.37 | 300 | saturated ammonium sulphate, sodium dihydrogen phosphate, dipotassium phosphate, powder slurry in 1.5mm capillary, 4mm long, pH 6.37, grinding, temperature 300K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.9 | 35.15 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 64.4113 | α = 90 |
b = 30.1946 | β = 105.834 |
c = 34.9476 | 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 | 300 | SCINTILLATOR | 2MM X 8MM BEAM ANALYZER : GE(111) | 1998-03-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X3B1 | NSLS | X3B1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 3.31 | 47.06 | 100 | 1 | 2088 | 2088 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | 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 | 3.31 | 47.06 | 2088 | 2088 | 100 | 0.035 | 0.035 | R-factor on F**2 extracted from powder data during Rietveld refinement |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
o-torsion_deg | 4.33 |
o_angle_deg | 1.63 |
o-torsion_pseudopotentials | 1.41 |
o-Hbond (A) | 0.199 |
o-chiral volume A**3 | 0.153 |
o-antibump (A) | 0.049 |
o_bond_d | 0.023 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1217 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 44 |
Software
Software | |
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Software Name | Purpose |
GSAS | refinement |
PROCESS | data scaling |