5BRE
Crystal structure of Trypanosoma cruzi glucokinase in complex with inhibitor CBZ-GlcN
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2Q2R | PDB entry 2Q2R |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 295 | A glucose-free TcGlcK crystal was soaked in 1.0 mM CBZ-GlcN, 5.0% (v/v) DMSO, 0.1 M sodium citrate (pH 7.0), 15% (w/v) PEG 3,350 for 24 hours |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.54 | 51.64 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 68.673 | α = 90 |
b = 79.047 | β = 94.74 |
c = 76.445 | 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 | ADSC QUANTUM 315 | LR-Design detector positioner | 2014-07-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-E | 0.97917 | APS | 24-ID-E |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.5 | 50 | 99.8 | 0.101 | 0.119 | 0.062 | 9.8 | 3.7 | 28549 | 52.98 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.5 | 2.59 | 100 | 0.694 | 0.814 | 0.422 | 0.674 | 3.7 | 2843 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | THROUGHOUT | PDB entry 2Q2R | 2.5 | 27.427 | 1.36 | 28332 | 1434 | 99.91 | 0.1924 | 0.1902 | 0.2304 | 78.49 |
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 | 14.94 |
f_angle_d | 1.124 |
f_chiral_restr | 0.071 |
f_bond_d | 0.009 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5696 |
Nucleic Acid Atoms | |
Solvent Atoms | 4 |
Heterogen Atoms | 44 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
HKL-2000 | data scaling |
PHASER | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |