3C1P
Crystal Structure of an alternating D-Alanyl, L-Homoalanyl PNA
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 283 | 1,6-hexanediol, MgCl2, Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 283K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 44.14 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 26.308 | α = 90 |
b = 30.733 | β = 99.53 |
c = 33.55 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | CCD | MARMOSAIC 225 mm CCD | bendable mirror | 2005-03-05 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X10SA | 0.7999 | SLS | X10SA |
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 | 40 | 99.4 | 0.0639 | 0.0639 | 18.13 | 12.99 | 28613 | 28613 | 12.7 |
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 | 1 | 1.09 | 98.4 | 0.436 | 0.436 | 4.67 | 11.32 | 6570 |
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 (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | AB INITIO PHASING | THROUGHOUT | 1 | 40 | 28537 | 28537 | 1425 | 99.1 | 0.1529 | 0.1529 | 0.1503 | 0.16 | 0.2019 | random | 22.4 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 397 |
Nucleic Acid Atoms | |
Solvent Atoms | 140 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
SHELXD | phasing |
SHELXL-97 | refinement |
XDS | data reduction |
SADABS | data scaling |