1BYZ
DESIGNED PEPTIDE ALPHA-1, P1 FORM
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 91% 2-METHYL-2,4-PENTANEDIOL, 78mM TRIETHANOLAMINE-HCL pH8, 52mM ETHANOLAMINE-HCL pH9.75, pH 8.0, VAPOR DIFFUSION, SITTING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.69 | 27.13 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 20.846 | α = 102.4 |
b = 20.909 | β = 95.33 |
c = 27.057 | γ = 119.62 |
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 | 100 | IMAGE PLATE | MARRESEARCH | 1994-11-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X12C | NSLS | X12C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 0.9 | 25.7 | 85.9 | 0.076 | 16.3 | 3.3 | 23681 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 0.9 | 0.93 | 36 | 0.141 | 4.3 | 1.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | 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 | DIRECT METHODS | FREE R | 448 RANDOM ATOMS | 0.9 | 25.7 | 2 | 23681 | 2368 | 85.9 | 0.086 | 0.085 | 0.105 | EVERY TENTH REFLECTION SAME TEST SET FOR SHELXL-93 AND SHELXL-97 |
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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
7 | 544 | 478.97 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_anti_bump_dis_restr | 0.192 |
s_approx_iso_adps | 0.108 |
s_zero_chiral_vol | 0.065 |
s_similar_adp_cmpnt | 0.026 |
s_bond_d | 0.025 |
s_from_restr_planes | 0.017 |
s_similar_dist | 0.016 |
s_rigid_bond_adp_cmpnt | 0.006 |
s_angle_d | |
s_non_zero_chiral_vol |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 408 |
Nucleic Acid Atoms | |
Solvent Atoms | 30 |
Heterogen Atoms | 41 |
Software
Software | |
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Software Name | Purpose |
SHAKE | model building |
SnB | phasing |
SHELXL | refinement |
SHELXL-97 | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |