1L4X
Octameric de novo designed peptide
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | magnesium sulphate; sodium acetate or bicine, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 100K | |
2 | VAPOR DIFFUSION, HANGING DROP | 4.6 | magnesium sulphate; sodium acetate or bicine, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 100K | |
3 | VAPOR DIFFUSION, HANGING DROP | 9 | magnesium sulphate; sodium acetate or bicine, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 100K |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 56.628 | α = 90 |
b = 56.628 | β = 90 |
c = 113.869 | 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 | 100 | IMAGE PLATE | MARRESEARCH | 2001-02-23 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | 100 | IMAGE PLATE | MARRESEARCH | 2001-03-09 | |||||||||
3 | 1 | 100 | CCD | ADSC QUANTUM 4 | 2001-07-09 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ELLIOTT GX-20 | 1.5418 | ||
2 | ROTATING ANODE | ELLIOTT GX-20 | 1.5418 | ||
3 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.976257 | ESRF | ID29 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2 | 50 | 95.1 | 0.074 | 13.2 | 7.7 | 14920 | 14176 | -3 | 44 |
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 | 2.06 | 83.3 | 0.463 | 3.3 | 4.1 | 1004 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SIR | THROUGHOUT | 2 | 30.02 | 14176 | 13923 | 711 | 93.5 | 0.242 | 0.278 | RANDOM | 55 |
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] | |
0.72 | -3.43 | 0.72 | -1.44 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 16.1 |
c_scangle_it | 11.27 |
c_scbond_it | 7.89 |
c_mcangle_it | 7.66 |
c_mcbond_it | 5.72 |
c_angle_deg | 1.2 |
c_improper_angle_d | 0.8 |
c_bond_d | 0.01 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1000 |
Nucleic Acid Atoms | |
Solvent Atoms | 105 |
Heterogen Atoms | 58 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
TRUNCATE | data reduction |
SHARP | phasing |
CNS | refinement |
CCP4 | data scaling |