3P0I
Leishmania major Tyrosyl-tRNA synthetase in complex with tyrosinol, cubic crystal form
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 3P0H | PDB entry 3P0H |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 277 | equal volumes SeMet protein solution (24 mg/ml LmTyrRS in MSGPP buffer containing 5 mM DTT and 10 mM tyrosinol) and well solution (25% PEG 3350, 0.1 M tri-sodium citrate pH 5.5, 10 mM Ferric III Chloride); cryoprotected by addition of 26% PEG 3350, 8% MSGPP buffer, 8% ethylene glycol, 20% glycerol and 0.09 M tri-sodium citrate pH 5.5 directly to drop prior to mounting and freezing crystals in liquid nitrogen, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.8 | 67.66 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 241.4 | α = 90 |
b = 241.4 | β = 90 |
c = 241.4 | γ = 90 |
Symmetry | |
---|---|
Space Group | I 2 3 |
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 | 2010-03-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.97908 | 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 | 3.13 | 85.35 | 99.93 | 0.182 | 7.3331 | 7.98 | 41253 | 83 |
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 | 3.13 | 3.3 | 99.82 | 0.014 | 6.96 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | FOURIER SYNTHESIS | THROUGHOUT | PDB entry 3P0H | 3.13 | 85.35 | 41212 | 2062 | 99.81 | 0.2409 | 0.2395 | 0.2679 | RANDOM | 122.862 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.921 |
r_dihedral_angle_4_deg | 19.718 |
r_dihedral_angle_3_deg | 18.697 |
r_dihedral_angle_1_deg | 5.945 |
r_angle_refined_deg | 1.162 |
r_angle_other_deg | 0.925 |
r_chiral_restr | 0.065 |
r_bond_refined_d | 0.01 |
r_gen_planes_refined | 0.005 |
r_bond_other_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 9278 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 24 |
Software
Software | |
---|---|
Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Blu-Ice | data collection |
REFMAC | phasing |