4NC7
N-terminal domain of delta-subunit of RNA polymerase complexed with I3C and nickel ions
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 290.15 | 2M sodium/potassium phosphate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 290.15K |
2 | VAPOR DIFFUSION | 8.2 | 290.15 | 1.8M sodium/potassium phosphate, pH 8.2, VAPOR DIFFUSION, temperature 290.15K |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 41.65 | α = 90 |
b = 110.2 | β = 90 |
c = 85.26 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
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-225 | 2011-09-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.2 | 1.5419 | BESSY | 14.2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 27.5 | 99.9 | 13668 | 13651 | 2 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2 | 2.11 | 100 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2 | 27.5 | 2 | 13651 | 12976 | 676 | 99.82 | 0.239 | 0.20418 | 0.20129 | 0.25937 | RANDOM | 45.803 |
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] | |
4.04 | -2.55 | -1.49 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 42.099 |
r_dihedral_angle_3_deg | 15.899 |
r_dihedral_angle_4_deg | 14.503 |
r_dihedral_angle_1_deg | 6.15 |
r_angle_refined_deg | 1.731 |
r_angle_other_deg | 0.89 |
r_chiral_restr | 0.107 |
r_bond_refined_d | 0.017 |
r_gen_planes_refined | 0.008 |
r_gen_planes_other | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1314 |
Nucleic Acid Atoms | |
Solvent Atoms | 80 |
Heterogen Atoms | 18 |
Software
Software | |
---|---|
Software Name | Purpose |
MAR345dtb | data collection |
Auto-Rickshaw | phasing |
MOLREP | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |