6A4T
Crystal structure of Peptidase E from Deinococcus radiodurans R1
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3L4E |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICROBATCH | 7.5 | 294 | 0.1 M Tris-Cl pH 7.5, 0.2 M magnesium chloride, 22 % PEG 8000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 44.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 95.417 | α = 90 |
b = 95.417 | β = 90 |
c = 92.433 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 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 | MAR CCD 165 mm | mirrors | 2014-04-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | RRCAT INDUS-2 BEAMLINE PX-BL21 | 0.97947 | RRCAT INDUS-2 | PX-BL21 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2 | 47.71 | 100 | 0.099 | 0.105 | 0.034 | 0.999 | 14.2 | 9.5 | 29488 | 25.8 |
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 | 2 | 2.05 | 100 | 0.748 | 0.79 | 0.254 | 0.926 | 3 | 9.6 |
Refinement
Statistics | |||||||||||||||||||
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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 | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3L4E | 2 | 47.709 | 1.33 | 29352 | 1452 | 99.7 | 0.2746 | 0.2733 | 0.2991 | Random selection | 26 |
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 | 9.822 |
f_angle_d | 0.568 |
f_chiral_restr | 0.041 |
f_plane_restr | 0.004 |
f_bond_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2917 |
Nucleic Acid Atoms | |
Solvent Atoms | 228 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
Coot | model building |
PHASER | phasing |
Aimless | data scaling |
XDS | data reduction |
MAR345dtb | data collection |