Experiment: 8JFC

V1/S quadruple mutant Plasmodium falciparum dihydrofolate reductase-thymidylate synthase (PfDHFR-TS) complexed with compound 6 (B21591), NADPH and dUMP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4DP3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	4.6	297	PEG4000, ammonium acetate, sodium acetate

Crystal Properties
Matthews coefficient	Solvent content
2.93	58.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.978	α = 90
b = 155.757	β = 90
c = 165.044	γ = 90

Symmetry
Space Group	P 21 21 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	CMOS	BRUKER PHOTON 100		2022-03-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	Cu FINE FOCUS	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	24.31	99.1	0.0862	10.06	3.52		65658			24.95

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	2.4			0.2639

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4DP3	2.3	24.31	1.33	65658	3445	99.22	0.1903	0.1876	0.1876	0.2378	0.2381	33.15

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	15.6037
f_angle_d	0.9467
f_chiral_restr	0.0559
f_bond_d	0.0079
f_plane_restr	0.0075

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8807
Nucleic Acid Atoms
Solvent Atoms	642
Heterogen Atoms	200

Software

Software
Software Name	Purpose
PHENIX	refinement
PROTEUM PLUS	data reduction
PROTEUM PLUS	data scaling
PHASER	phasing