1PFE
Echinomycin-(gcgtacgc)2 complex
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 4.5 | LI2SO4, MGCL2, METHANOL, NAAC, SPERMINE, PH 4.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.51 | 64.98 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 39.374 | α = 90 |
b = 39.374 | β = 90 |
c = 79.734 | γ = 120 |
Symmetry | |
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Space Group | P 63 2 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 | MARRESEARCH | 2002-11-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X11 | EMBL/DESY, HAMBURG | X11 |
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 | 1.1 | 21 | 97.2 | 0.049 | 30.01 | 14.91 | 15164 |
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 | 1.1 | 1.2 | 95.7 | 0.242 | 11.48 | 13.05 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | 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 | MOLECULAR REPLACEMENT | FREE R | TROSTIN A - (GCGTACGC)2 COMPLEX | 1.1 | 21 | 15164 | 478 | 97.2 | 0.146 | 0.146 | 0.16 | 0.168 | 0.18 | THIN SHELLS |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
7 | 149 | 303 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_from_restr_planes | 0.172 |
s_zero_chiral_vol | 0.068 |
s_non_zero_chiral_vol | 0.059 |
s_anti_bump_dis_restr | 0.041 |
s_angle_d | 0.036 |
s_bond_d | 0.022 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_similar_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 66 |
Nucleic Acid Atoms | 161 |
Solvent Atoms | 80 |
Heterogen Atoms | 25 |
Software
Software | |
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Software Name | Purpose |
EPMR | phasing |
SHELXL-97 | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |