4JJK
Crystal Structure of N10-Formyltetrahydrofolate Synthetase with Folate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3QB6 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 278 | 50-75 mM Potassium Maleate Buffer pH 7.0-8.0, 1 mM dithiothreitol, 38-46% Ammonium Sulfate, 1-3.5% PEG 1000 or PEG 1450, vapor diffusion, hanging drop, temperature 278K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.66 | 53.83 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 160.948 | ¦Á = 90 |
b = 160.948 | ¦Â = 90 |
c = 256.532 | ¦Ã = 120 |
Symmetry | |
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Space Group | H 3 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 225 mm CCD | 2009-04-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-BM | 1.0 | APS | 22-BM |
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 | 3 | 50 | 95.2 | 0.132 | 7.2 | 5.9 | 25875 | 24612 | 1 | 1 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 3 | 3.05 | 97.8 | 0.335 | 6.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 3QB6 | 3 | 31.75 | 25875 | 23208 | 1247 | 94.52 | 0.21404 | 0.21019 | 0.28624 | RANDOM | 51.975 |
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] | |
0.7 | 0.7 | 0.7 | -2.27 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.316 |
r_dihedral_angle_4_deg | 17.701 |
r_dihedral_angle_3_deg | 16.327 |
r_dihedral_angle_1_deg | 6.391 |
r_angle_refined_deg | 1.449 |
r_angle_other_deg | 0.796 |
r_chiral_restr | 0.07 |
r_bond_refined_d | 0.011 |
r_gen_planes_refined | 0.005 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8212 |
Nucleic Acid Atoms | |
Solvent Atoms | 114 |
Heterogen Atoms | 107 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data collection |
MOLREP | phasing |