5HFN
Crystal structure of a loop truncation variant of Thermotoga maritima Acetyl Esterase TM0077 (apo structure) at 2.75 Angstrom resolution
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 5FDF |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 295 | Reservoir solution is composed of 35%(V/V) Pentaerythritolpropoxylate (5/4 PO/OH), 200mM potassium chloride, 50mM HEPES pH 7.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.67 | 53.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 155.08 | α = 90 |
b = 155.08 | β = 90 |
c = 165.1 | γ = 120 |
Symmetry | |
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Space Group | P 31 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 | IMAGE PLATE | MAR scanner 345 mm plate | 2013-06-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | BRUKER AXS MICROSTAR | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 2.75 | 52.09 | 100 | 0.145 | 0.046 | 0.997 | 14.7 | 10.5 | 60062 | 62.65 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.75 | 2.82 | 100 | 1.174 | 0.408 | 0.716 | 2.2 | 8.9 | 4413 |
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 | 5FDF | 2.75 | 52.09 | 56965 | 3028 | 99.92 | 0.1997 | 0.1981 | 0.2306 | RANDOM | 53.878 |
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] | |
-0.44 | -0.22 | -0.44 | 1.43 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.734 |
r_dihedral_angle_4_deg | 15.42 |
r_dihedral_angle_3_deg | 13.752 |
r_dihedral_angle_1_deg | 6.397 |
r_mcangle_it | 1.825 |
r_angle_refined_deg | 1.816 |
r_angle_other_deg | 1.677 |
r_mcbond_it | 1.087 |
r_mcbond_other | 1.085 |
r_chiral_restr | 0.104 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 13211 |
Nucleic Acid Atoms | |
Solvent Atoms | 85 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
MAR345dtb | data collection |
Aimless | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |
MOLREP | phasing |
Coot | model building |