7B02

Thioredoxin glutathione reductase from Schistosoma mansoni in complex with 4-Hydroxy-7-methyl-1,8-naphthyridine-3-carboxylic acid

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2V6O

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	294	20% PEG 3350, 0,2M potassium iodide, 0,1M Bis-TRIS, 5mM DTT

Crystal Properties
Matthews coefficient	Solvent content
3.01	59.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 142.834	α = 90
b = 102.439	β = 112.81
c = 58.924	γ = 90

Symmetry
Space Group	C 1 2 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	DECTRIS PILATUS 2M		2017-06-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R	1	ELETTRA	5.2R

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.45	39.93	98.6	0.053	0.998	9.2	3.6		135935

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.45	1.47	86.1		0.483	0.63	1.9

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	2V6O	1.45	39.93	129182	6752	98.51	0.1405	0.1388	0.1734	RANDOM	19.252

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]
-0.29		0.06	-0.27		0.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.86
r_dihedral_angle_4_deg	16.454
r_dihedral_angle_3_deg	12.7
r_dihedral_angle_1_deg	6.912
r_rigid_bond_restr	4.169
r_angle_refined_deg	2.008
r_angle_other_deg	1.581
r_chiral_restr	0.118
r_bond_refined_d	0.017
r_gen_planes_refined	0.012

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.86
r_dihedral_angle_4_deg	16.454
r_dihedral_angle_3_deg	12.7
r_dihedral_angle_1_deg	6.912
r_rigid_bond_restr	4.169
r_angle_refined_deg	2.008
r_angle_other_deg	1.581
r_chiral_restr	0.118
r_bond_refined_d	0.017
r_gen_planes_refined	0.012
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4530
Nucleic Acid Atoms
Solvent Atoms	671
Heterogen Atoms	103

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Aimless	data scaling
PHASER	phasing

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 R01GM157729.