2FTO
Y94F mutant of thymidylate synthase bound to thymidine-5'-phosphate and 10-propargyl-5,8-dideazafolid acid
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 298 | 2.5 M ammonium sulfate, 20 mM KH2PO4, 4 mM DTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.83 | 56.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 72.08 | α = 90 |
b = 72.08 | β = 90 |
c = 115.21 | 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 | 293 | DIFFRACTOMETER | ENRAF-NONIUS FAST | graphite monochromator | 1996-06-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ENRAF-NONIUS FR571 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2 | 50 | 89 | 0.069 | 24431 | 24431 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | Started with coordinates from isomorphous structure 1TSN | 2 | 8.4 | 19384 | 18405 | 979 | 80.73 | 0.15919 | 0.15807 | 0.17917 | RANDOM | 24.703 |
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] | |
1.08 | 0.54 | 1.08 | -1.62 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.969 |
r_dihedral_angle_4_deg | 17.738 |
r_dihedral_angle_3_deg | 14.871 |
r_dihedral_angle_1_deg | 6.505 |
r_scangle_it | 4.103 |
r_scbond_it | 2.628 |
r_mcangle_it | 1.63 |
r_angle_refined_deg | 1.507 |
r_mcbond_it | 0.98 |
r_nbtor_refined | 0.311 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2152 |
Nucleic Acid Atoms | |
Solvent Atoms | 98 |
Heterogen Atoms | 66 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MADNESS | data reduction |
PROCOR | data scaling |