3DO6
Crystal structure of Putative Formyltetrahydrofolate Synthetase (TM1766) from THERMOTOGA MARITIMA at 1.85 A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.51 | 277 | 32.5% 2-methyl-2,4-pentanediol, 0.1M TRIS pH 7.51, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.51 | 51.05 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 107.63 | α = 90 |
b = 118.25 | β = 90 |
c = 93.64 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARMOSAIC 325 mm CCD | Flat collimating mirror, toroid focusing mirror | 2008-05-01 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.91162,0.97932,0.97918 | SSRL | BL9-2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.85 | 29.566 | 98.5 | 0.079 | 8.78 | 101930 | -3 | 21.313 |
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) | |||||||||||
1.85 | 1.92 | 96.5 | 0.674 | 1.4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 1.85 | 29.566 | 101886 | 5094 | 99.48 | 0.164 | 0.162 | 0.196 | RANDOM | 19.609 |
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] | |
0.87 | 0.21 | -1.08 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.069 |
r_dihedral_angle_3_deg | 14.05 |
r_dihedral_angle_4_deg | 11.622 |
r_scangle_it | 7.199 |
r_dihedral_angle_1_deg | 6.078 |
r_scbond_it | 4.765 |
r_mcangle_it | 2.776 |
r_mcbond_it | 1.763 |
r_angle_refined_deg | 1.473 |
r_angle_other_deg | 1.465 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 8436 |
Nucleic Acid Atoms | |
Solvent Atoms | 888 |
Heterogen Atoms | 80 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
PHENIX | refinement |
SHELX | phasing |
MolProbity | model building |
XSCALE | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
SHELXD | phasing |
autoSHARP | phasing |