Methionine synthase from Thermus thermophilus HB8, Folate demethylation state (Fol-on)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 8SSC | Folate and CapCob domains used as search models |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 9.5 | 293.15 | 1.26 M Ammonium Sulfate, 0.1M CHES-Na (pH 9.5), and 0.2 M NaCl |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.17 | 61 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 95.164 | α = 90 |
b = 95.164 | β = 90 |
c = 274.337 | γ = 120 |
Symmetry | |
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Space Group | P 61 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 | CCD | MARMOSAIC 300 mm CCD | K-B pair of biomorph mirrors for vertical and horizontal focusing | 2016-08-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 1.0332 | APS | 23-ID-B |
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 | 2.87 | 52.773 | 99.8 | 0.121 | 0.126 | 0.034 | 0.999 | 11.7 | 13.4 | 17680 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.87 | 3.03 | 98.7 | 2.272 | 2.356 | 0.62 | 0.893 | 14.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.87 | 52.77 | 16703 | 903 | 99.8 | 0.21307 | 0.20993 | 0.2065 | 0.27259 | 0.2619 | RANDOM | 128.499 |
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] | |
0.55 | 0.27 | 0.55 | -1.78 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_long_range_B_other | 25.489 |
r_long_range_B_refined | 25.488 |
r_scangle_other | 21.711 |
r_mcangle_other | 18.266 |
r_mcangle_it | 18.265 |
r_dihedral_angle_3_deg | 15.682 |
r_scbond_it | 15.128 |
r_scbond_other | 15.047 |
r_mcbond_it | 13.456 |
r_mcbond_other | 13.448 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3869 |
Nucleic Acid Atoms | |
Solvent Atoms | 29 |
Heterogen Atoms | 122 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
Aimless | data scaling |
DIALS | data reduction |
MOLREP | phasing |