4QFH
Structure of a glucose-6-phosphate isomerase from Trypanosoma cruzi
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2O2C | PDB entry 2o2c |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 290 | Morpheus screen, a8: 12.5% w/v PEG 1000, 12.5% w/v PEG 3350, 12.5% v/v MPD; 30mM of each MgCl2, CaCl2; 0.1 M MOPS/HEPES-Na, TrcrA.17127.a.B1.PS01519 at 25.0 mg/ml with 2.5mM glucose-6-phosphate; tray 251762a8, puck rjo4-3; cryo: direct, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 290K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.18 | 44 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 69.84 | α = 90 |
b = 127.03 | β = 109.74 |
c = 72.4 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | 100 | CCD | RAYONIX MX-300 | 2012-04-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97856 | APS | 21-ID-G |
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 | 1.8 | 50 | 98.6 | 0.077 | 13.67 | 3.86 | 109888 | 108344 | -3 | 16.85 |
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 | 1.8 | 1.85 | 97.9 | 0.583 | 2.31 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB entry 2o2c | 1.8 | 29.191 | 1.36 | 109888 | 108307 | 5596 | 98.73 | 0.1405 | 0.1386 | 0.1745 | 21.6434 |
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 | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 12.697 |
f_angle_d | 1.012 |
f_chiral_restr | 0.042 |
f_bond_d | 0.007 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9548 |
Nucleic Acid Atoms | |
Solvent Atoms | 1136 |
Heterogen Atoms | 32 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
PHASER | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |