1T8Z
Atomic Structure of A Novel Tryptophan-Zipper Pentamer
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 298 | PEG 400, Tris-HCl, ammonium sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2 | 39.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 30.547 | α = 97.37 |
b = 30.665 | β = 91.94 |
c = 72.405 | γ = 113.46 |
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 | 95 | CCD | ADSC QUANTUM 4 | 2003-03-30 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X4A | 0.9793 | NSLS | X4A |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.45 | 70.7 | 93.7 | 0.058 | 13.7 | 2.5 | 38990 | 38990 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
1.45 | 1.48 | 89.6 | 0.297 | 2.6 | 1.9 |
Refinement
Statistics | |||||||||||||||||||
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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-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 1.45 | 70.71 | 38990 | 37022 | 1970 | 92.84 | 0.21949 | 0.2164 | 0.27709 | RANDOM | 29.899 |
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] | |
1.88 | 1.78 | -0.25 | 1.01 | -1.21 | -1.8 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_scangle_it | 4.927 |
r_dihedral_angle_1_deg | 4.729 |
r_scbond_it | 3.546 |
r_mcangle_it | 2.579 |
r_angle_refined_deg | 1.741 |
r_mcbond_it | 1.402 |
r_symmetry_hbond_refined | 0.212 |
r_nbd_refined | 0.211 |
r_symmetry_vdw_refined | 0.21 |
r_xyhbond_nbd_refined | 0.196 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2342 |
Nucleic Acid Atoms | |
Solvent Atoms | 183 |
Heterogen Atoms | 47 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |