3MKJ
Methionine gamma-lyase from Citrobacter freundii with pyridoximine-5'-phosphate
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 303 | 37% MMEPEG 2000, 200MM ammonium sulfate, 50MM TRIS-HCL, 0.2MM PLP, 0.2MM DTT, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 303K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.59 | 52.53 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 56.69 | α = 90 |
b = 122.8 | β = 90 |
c = 128.04 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 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 | IMAGE PLATE | MAR scanner 345 mm plate | 2005-04-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE BW7B | 0.843 | EMBL/DESY, HAMBURG | BW7B |
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 | 1.65 | 20 | 91 | 0.049 | 17.72 | 3.9 | 50624 | 50624 | 28.3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.65 | 1.7 | 59 | 0.302 | 4.7 | 3.8 | 2663 |
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 | THROUGHOUT | 2RFV | 1.65 | 14.905 | 1.35 | 50588 | 2590 | 93.61 | 0.198 | 0.1961 | 0.2324 | RANDOM | 27.226 |
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] | |
-4.872 | 2.249 | 2.623 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 20.794 |
f_angle_d | 1.063 |
f_chiral_restr | 0.073 |
f_bond_d | 0.007 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2918 |
Nucleic Acid Atoms | |
Solvent Atoms | 319 |
Heterogen Atoms | 16 |
Software
Software | |
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Software Name | Purpose |
MAR345dtb | data collection |
MOLREP | phasing |
PHENIX | refinement |
XDS | data reduction |
XDS | data scaling |