1BEB
BOVINE BETA-LACTOGLOBULIN, LATTICE X
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | batch method | 6.5 | 25MG/ML PROTEIN WAS DISSOLVED IN 0.1M SODIUM/ POTASSIUM PHOSPHATE BUFFER (PH 7.0) AND CRYSTALLIZED BY THE BATCH METHOD FROM 2M AMMONIUM SULFATE (PH 6.5) AND 0.4M SODIUM/POTASSIUM PHOSPHATE BUFFER (PH 7.6)., batch method |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 42 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 37.8 | α = 123.4 |
b = 49.5 | β = 97.3 |
c = 56.6 | γ = 103.7 |
Symmetry | |
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Space Group | P 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 | 293 | AREA DETECTOR | XENTRONICS | COLLIMATOR | 1988-09-06 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.8 | 15 | 97 | 0.07 | 0.1 | 5 | 2.1 | 25155 | 23.5 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.8 | 1.96 | 78 | 0.07 | 0.1 | 3 | 1.2 |
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 | B-LG LATTICE Z - SOLVED BY MIR | 1.8 | 15 | 25135 | 1256 | 96 | 0.181 | 0.181 | 0.243 | RANDOM | 25.07 |
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 |
x_dihedral_angle_d | 26.08 |
x_scbond_it | 2 |
x_scangle_it | 2 |
x_angle_deg | 1.545 |
x_mcangle_it | 1.5 |
x_improper_angle_d | 1.366 |
x_mcbond_it | 1.2 |
x_bond_d | 0.013 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2473 |
Nucleic Acid Atoms | |
Solvent Atoms | 197 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
XDS | data scaling |
ROTAVATA | data reduction |
Agrovata | data reduction |
X-PLOR | model building |
X-PLOR | refinement |
XDS | data reduction |
CCP4 | data scaling |
ROTAVATA | data scaling |
X-PLOR | phasing |