7UR0
Isoreticular, interpenetrating co-crystal of Replication Initiator Protein REPE54 and scaffold-insert duplexes (21mer and 10mer) containing the cognate REPE54 sequence and an additional T-A rich sequence, respectively.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 298 | 120 mM MgCl2, 20% PEG 400, 100 mM Tris HCl pH 8.0 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.15 | 65.53 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 74.407 | α = 90 |
b = 127.493 | β = 90 |
c = 135.478 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 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 | CMOS | RDI CMOS_8M | 2021-06-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 4.2.2 | 1.0 | ALS | 4.2.2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 3.3 | 38.61 | 97.79 | 0.3851 | 0.4175 | 0.1595 | 0.99 | 5.91 | 6.9 | 10028 | 71.06 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 3.3 | 3.418 | 96.94 | 1.218 | 1.314 | 0.4899 | 0.904 | 2.58 | 7.1 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 7u6k | 3.3 | 38.61 | 1.33 | 9825 | 973 | 97.9 | 0.2331 | 0.2281 | 0.275 | 114.41 |
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 |
f_dihedral_angle_d | 28.0134 |
f_angle_d | 0.7747 |
f_chiral_restr | 0.0486 |
f_plane_restr | 0.006 |
f_bond_d | 0.0041 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1756 |
Nucleic Acid Atoms | 1275 |
Solvent Atoms | 8 |
Heterogen Atoms | 2 |
Software
Software | |
---|---|
Software Name | Purpose |
PHENIX | refinement |
Coot | model building |
XDS | data reduction |
XSCALE | data scaling |
SCALA | data scaling |
PHASER | phasing |