Neutron structure of ferric ascorbate peroxidase-ascorbate complex
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) |
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Type | Source | Accession Code | Details |
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experimental model | PDB | 5JPR | |
Crystallization
Crystalization Experiments |
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ID | Method | pH | Temperature | Details |
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1 | VAPOR DIFFUSION, HANGING DROP | | 300 | Lithium sulfate
HEPES |
Crystal Properties |
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Matthews coefficient | Solvent content |
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2.21 | 44.45 |
Crystal Data
Unit Cell |
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Length ( Å ) | Angle ( ˚ ) |
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a = 81.862 | α = 90 |
b = 81.862 | β = 90 |
c = 74.969 | γ = 90 |
Symmetry |
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Space Group | P 42 21 2 |
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Diffraction
Diffraction Experiment |
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
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1 | 1 | neutron | 100 | IMAGE PLATE | BIODIFF | | 2017-02-01 | M | SINGLE WAVELENGTH |
2 | 1 | x-ray | 100 | CCD | RIGAKU SATURN 944 | | 2017-03-01 | M | SINGLE WAVELENGTH |
Radiation Source |
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
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1 | NUCLEAR REACTOR | FRM II BEAMLINE BIODIFF | 3.4 | FRM II | BIODIFF |
2 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54 | | |
Data Collection
Overall |
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | 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 |
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1 | 2.1 | 36.2 | 91.1 | 0.2 | | | | | | 3.9 | 3 | | 14368 | | | |
2 | 1.9 | 20.4 | 99.9 | 0.2 | | | | | | 6.9 | 10.9 | | 200678 | | | |
Highest Resolution Shell |
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) |
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1 | 2.1 | 2.16 | | 0.4 | | | | | | | | |
2 | 1.9 | 1.94 | | 0.6 | | | | | | | | |
Refinement
Statistics |
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | 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 |
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X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 1.9 | 20.47 | | 1.35 | | 20642 | 2065 | 99.98 | | 0.1712 | 0.1651 | 0.2258 | | 21.6259 |
NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 2.09 | 35.93 | | | | 14348 | 1435 | 91.25 | | 0.2187 | 0.21 | 0.2983 | | |
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] |
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Non-Hydrogen Atoms Used in Refinement |
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Non-Hydrogen Atoms | Number |
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Protein Atoms | 1899 |
Nucleic Acid Atoms | |
Solvent Atoms | 1046 |
Heterogen Atoms | 103 |
Software
Software |
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Software Name | Purpose |
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PHENIX | refinement |
PDB_EXTRACT | data extraction |
Aimless | data reduction |
Aimless | data scaling |
PHASER | phasing |