5BRH

Crystal structure of Trypanosoma cruzi glucokinase in complex with inhibitor DBT-GlcN

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	295	A glucose-free TcGlcK crystal was soaked in 1.0 mM DBT-GlcN, 5.0% (v/v) DMSO, 0.1 M sodium citrate (pH 7.0), 22% (w/v) PEG 3,350 for 24 hours

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.245	α = 90
b = 78.744	β = 94.8
c = 75.389	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	PIXEL	PSI PILATUS 6M	LR-Design detector positioner	2014-12-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97920	APS	24-ID-C

Data Collection

Overall
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	1.9	50	99.1	0.04	0.046	0.022	10.4	4.1		62066			40.87

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	1.9	1.97	98.6		0.44	0.512	0.258	0.826		3.7	6149

Refinement

Statistics
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	1.9	48.443	1.36	62037	3148	98.86	0.1994	0.1972	0.2373	52.86

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
f_dihedral_angle_d	13.65
f_angle_d	1.099
f_chiral_restr	0.072
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5675
Nucleic Acid Atoms
Solvent Atoms	201
Heterogen Atoms	54

Software

Software
Software Name	Purpose
HKL-2000	data collection
HKL-2000	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.