7TUX

Crystal Structure of Plasmodium falciparum Hypoxanthine-Guanine-Xanthine Phosphoribosyltransferase in complex with [(3S)-4-Hydroxy-3-[({2-amino-4-hydroxy-5H-pyrrolo[3,2-d]pyrimidin-7-yl}methyl)amino]butyl]phosphonic acid

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3OZF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		295	200 mM Lithium Acetate, 20% PEG3350

Crystal Properties
Matthews coefficient	Solvent content
2.3	45.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.437	α = 90
b = 111.199	β = 90
c = 173.652	γ = 90

Symmetry
Space Group	C 2 2 21

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	RAYONIX MX225HE		2019-04-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9793	APS	31-ID

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	1.62	173.65	99.9	0.06	0.99	16.9	7.4		128959

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	1.62	1.65	99.8		1.07	0.75	1.8	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	3OZF	1.62	57.47	122388	6509	99.89	0.1708	0.1696	0.1947	RANDOM	25.517

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]
3.18			-1.55		-1.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.902
r_dihedral_angle_4_deg	16.097
r_dihedral_angle_3_deg	13.068
r_dihedral_angle_1_deg	6.763
r_angle_refined_deg	1.406
r_angle_other_deg	1.278
r_chiral_restr	0.065
r_bond_refined_d	0.006
r_gen_planes_refined	0.005
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.902
r_dihedral_angle_4_deg	16.097
r_dihedral_angle_3_deg	13.068
r_dihedral_angle_1_deg	6.763
r_angle_refined_deg	1.406
r_angle_other_deg	1.278
r_chiral_restr	0.065
r_bond_refined_d	0.006
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7405
Nucleic Acid Atoms
Solvent Atoms	771
Heterogen Atoms	296

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	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.