5EHB
A de novo designed hexameric coiled-coil peptide with iodotyrosine
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICROBATCH | 7.5 | 293 | 2 uL 10 mg/mL pHiosYI mixed with a 2 uL solution of the below components 0.1 M Na HEPES pH 7.5 0.2 M MgCl2 10% (v/v) PEG400 Al's oil was used to separate the external reservoir, which consisted of 15% (v/v) 2-propanol. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.69 | 54.35 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.068 | α = 90 |
b = 53.068 | β = 90 |
c = 136.114 | γ = 120 |
Symmetry | |
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Space Group | H 3 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 | 100 | CCD | MARMOSAIC 225 mm CCD | 2013-01-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | MAX II BEAMLINE I911-3 | 1.800 | MAX II | I911-3 |
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 | 3.19 | 27.4 | 95.6 | 0.05 | 24.2 | 10.8 | 2301 |
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 | 3.2 | 3.4 | 99 | 0.66 | 2.6 | 7.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | AB INITIO PHASING | THROUGHOUT | 3.19 | 27.35 | 1131 | 139 | 93.04 | 0.3359 | 0.3256 | 0.32 | 0.4336 | 0.42 | RANDOM | 120.615 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
-3.78 | -1.89 | -3.78 | 12.27 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 44.56 |
r_dihedral_angle_3_deg | 20.437 |
r_dihedral_angle_4_deg | 15.06 |
r_dihedral_angle_1_deg | 7.112 |
r_angle_refined_deg | 1.53 |
r_angle_other_deg | 1.126 |
r_chiral_restr | 0.087 |
r_bond_refined_d | 0.012 |
r_gen_planes_refined | 0.006 |
r_bond_other_d | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 464 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MxCuBE | data collection |
XDS | data reduction |
AutoSol | phasing |
XDS | data scaling |