8ALS

The apo-crystal structure of a variant form of the 28-kDa Schistosoma haematobium glutathione transferase

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	5.3 mg/ml of Sh28GST in 25mM of sodium phosphate buffer (NaH2PO4) at 7.5 pH with the crystallization condition consisting of 2.1 M ammonium sulfate, 100 mM Tris (pH 7.5), and 5 mM B-mercaptoethanol

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.133	α = 90
b = 77.086	β = 93.15
c = 54.015	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	Bruker PHOTON III		2022-05-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	BRUKER IMUS 3.0 MICROFOCUS	1.5418

Data Collection

Overall
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	2.3	24.68	98.8	0.132	11.4	8.1		19612			15.21

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	2.3	2.38	89.9		0.6	3.4	6.1

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	1OE8	2.3	24.678	1.34	19582	1014	98.85	0.2168	0.2152	0.2448

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	1.678
f_angle_d	0.506
f_chiral_restr	0.04
f_plane_restr	0.003
f_bond_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3274
Nucleic Acid Atoms
Solvent Atoms	448
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PHENIX	refinement
SAINT	data reduction
SADABS	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 R01GM133198.