3NP6
The crystal structure of Berberine bound to DNA d(CGTACG)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1XCS | PDB ENTRY 1XCS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 6.5 | 296 | MPD, MgCl2, NaCl, pH 6.5, vapor diffusion, temperature 296K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.18 | 43.46 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 30.37 | α = 90 |
b = 30.37 | β = 90 |
c = 118.26 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 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 | OXFORD ONYX CCD | 2010-01-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SEALED TUBE | OXFORD DIFFRACTION ENHANCE ULTRA | 1.542 |
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 | 2.3 | 39.42 | 100 | 0.076 | 0.076 | 29.04 | 3159 | -3 | 43.45 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.3 | 2.4 | 99.8 | 0.558 | 0.584 | 4.8 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1XCS | 2.3 | 39.42 | 3153 | 139 | 99.94 | 0.2387 | 0.2361 | 0.3014 | RANDOM | 18.1113 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
SIDE-CHAIN ANGLE REFINED ATOMS (A'*2) | 2.547 |
r_angle_refined_deg | 1.842 |
SIDE-CHAIN BOND REFINED ATOMS (A'*2) | 1.454 |
MAIN-CHAIN ANGLE REFINED ATOMS (A'*2) | 0.358 |
MAIN-CHAIN BOND REFINED ATOMS (A'*2) | 0.189 |
CHIRAL-CENTER RESTRAINTS (A'*3) | 0.091 |
r_bond_refined_d | 0.007 |
r_gen_planes_refined | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 450 |
Solvent Atoms | 1 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
CrysalisPro | data collection |
XDS | data reduction |