4PSA
Mycobacterium tuberculosis RecA glycerol bound low temperature structure IIC-N1
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1G19 | PDB ENTRY 1G19 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.8 | 298 | 15% PEG 3350, 10% PEG 5000 MME, 0.2M AMMONIUM ACETATE, 0.1M SODIUM CITRATE, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.15 | 61.01 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 107.1 | α = 90 |
b = 107.1 | β = 90 |
c = 70.93 | γ = 120 |
Symmetry | |
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Space Group | P 61 |
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 | IMAGE PLATE | MAR scanner 345 mm plate | MIRRORS | 2012-11-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | BRUKER AXS MICROSTAR | 1.54179 |
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 | 2.65 | 70.93 | 0.154 | 14.5 | 11.9 | 13606 | 38.3 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.65 | 2.79 | 0.852 | 3 | 11.2 | 1955 |
Refinement
Statistics | |||||||||||||||||||
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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 1G19 | 2.65 | 30 | 12200 | 1380 | 99.96 | 0.19487 | 0.18963 | 0.24377 | RANDOM | 42.312 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.34 | -0.34 | -0.34 | 1.09 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.754 |
r_dihedral_angle_4_deg | 20.134 |
r_dihedral_angle_3_deg | 16.197 |
r_dihedral_angle_1_deg | 5.089 |
r_angle_refined_deg | 0.982 |
r_angle_other_deg | 0.686 |
r_chiral_restr | 0.057 |
r_bond_refined_d | 0.005 |
r_gen_planes_refined | 0.003 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2241 |
Nucleic Acid Atoms | |
Solvent Atoms | 74 |
Heterogen Atoms | 35 |
Software
Software | |
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Software Name | Purpose |
MAR345dtb | data collection |
PHASER | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |