5ZT2
Crystal structure of CCG DNA repeats at 1.66 angstrom resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 277.15 | 50mM Sodium cacodylate, 1mM Magnesium chloride, 5% MPD, 2mM Cobalt(II) chloride, 1mM Chromomycin A3 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.02 | 59.31 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 38.299 | α = 90 |
b = 38.299 | β = 90 |
c = 54.328 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | RAYONIX MX-300 | 2013-10-18 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSRRC BEAMLINE BL15A1 | 1.60572, 1.56518, 1.60490 | NSRRC | BL15A1 |
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 | 1.66 | 30 | 96.1 | 0.048 | 41.724 | 5.5 | 3447 | 16.5972142739 |
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) | |||||||||||
1 | 1.66 | 1.72 | 0.272 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MAD | FREE R-VALUE | 1.66002164937 | 12.4437277752 | 0.00486031212139 | 3447 | 345 | 67.0883612301 | 0.235638826004 | 0.233436819255 | 0.23 | 0.255296437209 | 0.25 | 26.7353127997 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 31.4914944287 |
f_angle_d | 0.691642373619 |
f_chiral_restr | 0.0299698512432 |
f_bond_d | 0.00643641523394 |
f_plane_restr | 0.00308292495498 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 218 |
Solvent Atoms | 59 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
Coot | model building |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
SHELXS | phasing |