5CS2

Crystal structure of Plasmodium falciparum diadenosine triphosphate hydrolase in complex with Cyclomarin A

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	0.2 uL of protein-inhibitor solution (11 mg/ml PFAp3Aase, 50 mM TRIS pH 8, 150 mM NaCl, 5% glycerol and 1 mM TCEP, 1mM cyclomarin A) was mixed with 0.2 uL reservoir solution (100 mM HEPES pH 7.5, 30% Iso-propanol, 200 mM Magnesium chloride hexahydrate) and equilibrated against 80 uL reservoir solution.

Crystal Properties
Matthews coefficient	Solvent content
1.71	27.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.953	α = 90
b = 45.953	β = 90
c = 138.44	γ = 120

Symmetry
Space Group	P 32 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 6M		2014-11-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.99997	SLS	X10SA

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	1.65	17.5	98.5	0.051	20.3	8		20919			26.19

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	1.65	1.69	100		0.75	2.4	7.2

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2FHI	1.65	17.5	20891	1044	98.49	0.1967	0.1953	0.1985	0.2232	0.2199	RANDOM	31.74

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]
-4.1758			-4.1758		8.3517

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	16.97
t_omega_torsion	3.35
t_angle_deg	1.07
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1235
Nucleic Acid Atoms
Solvent Atoms	111
Heterogen Atoms	1

Software

Software
Software Name	Purpose
BUSTER	refinement
XDS	data reduction
XSCALE	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.