1JA7
BINDING OF N-ACETYLGLUCOSAMINE TO CHICKEN EGG LYSOZYME: A POWDER DIFFRACTION STUDY
POWDER DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1RFP | PDB ENTRY 1RFP |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | precipitation | 5.1 | 296 | rapid precipitation from 0.5M NACL IN PH 6.0 0.05M NA2HPO4/KH2PO4 BUFFER, at 296K, pH 5.1 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.08 | 40.81 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 78.963 | α = 90 |
b = 78.963 | β = 90 |
c = 38.215 | γ = 90 |
Symmetry | |
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Space Group | P 43 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 | 296 | SCINTILLATOR | 2MM X 8MM BEAM | 2000-10-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X3B1 | 0.699842 | 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 | 2.98 | 40.1 | 100 | 2758 | 2758 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution 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 | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB ENTRY 1RFP | 2.98 | 40.1 | 2758 | 2758 | 100 | 0.0495 | 0.0495 | 23.69 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
o_angle_deg | 1.66 |
o_bond_d | 0.026 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1001 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 15 |
Software
Software | |
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Software Name | Purpose |
PROCESS | data reduction |
GSAS | model building |
GSAS | refinement |
PROCESS | data scaling |
GSAS | phasing |