7S2P
Crystal structure of the F337L mutation of Trypanosoma cruzi glucokinase in complex with inhibitor CBZ-GlcN
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 2Q2R |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 295 | A ligand-free TcGlcK(F337L) 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 | |
---|---|
Matthews coefficient | Solvent content |
2.45 | 49.79 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 68.227 | α = 90 |
b = 78.951 | β = 94.86 |
c = 77.027 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 1 21 1 |
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 | ADSC QUANTUM 315r | 2014-06-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 14-ID-B | 0.9792 | APS | 14-ID-B |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.35 | 40 | 99.1 | 0.052 | 0.027 | 35.3 | 3.7 | 33656 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.35 | 2.39 | 98.2 | 0.718 | 0.372 | 0.702 | 2 | 3.6 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2Q2R | 2.35 | 38.4 | 31970 | 1679 | 98.69 | 0.2041 | 0.2015 | 0.255 | RANDOM | 71.278 |
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] | |
-2.67 | 1.31 | 2.15 | 0.29 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.739 |
r_dihedral_angle_4_deg | 18.318 |
r_dihedral_angle_3_deg | 13.979 |
r_dihedral_angle_1_deg | 7.257 |
r_angle_other_deg | 2.353 |
r_angle_refined_deg | 1.67 |
r_chiral_restr | 0.077 |
r_bond_other_d | 0.035 |
r_gen_planes_other | 0.013 |
r_bond_refined_d | 0.012 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 5627 |
Nucleic Acid Atoms | |
Solvent Atoms | 52 |
Heterogen Atoms | 49 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
MOLREP | phasing |