5F9Z

Crystal Structure of Prolyl-tRNA Synthetase from Cryptosporidium parvum complexed with Halofuginone and AMPPNP

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	290	CrpaA.18681.a.B3.PW37711 at 21.5 mg/mlprotein was incubated with 4 mM MgCl2, halofuginone, and AMPPNP, then mixed 1:1 with Top96(a5):0.1 M HEPES:NaOH, pH = 7.5, 20% (w/v) PEG-4000, 10% (v/v) 2-propanol, harvested with 20% ethylene glycol4 mM MgCl2, halofuginone, and AMPPNP, then mixed 1:1 with Top96(a5):0.1 M HEPES:NaOH, pH = 7.5, 20% (w/v) PEG-4000, 10% (v/v) 2-propanol, harvested with 20% ethylene glycol

Crystal Properties
Matthews coefficient	Solvent content
2.59	52.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.4	α = 90
b = 108.72	β = 90
c = 126.35	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	CCD	RIGAKU SATURN 944+		2015-09-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	2.4	50	98.4	0.105	0.119	11.07	4.3		48156		-3	31.54

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.46	95.5		0.573	0.662	2.6	3.7

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	FOURIER SYNTHESIS	FREE R-VALUE	5F9Y	2.4	46.611	1.34	48089	2063	98.4	0.2087	0.2075	0.2341	37.0439

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	14.055
f_angle_d	0.486
f_chiral_restr	0.044
f_plane_restr	0.003
f_bond_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7719
Nucleic Acid Atoms
Solvent Atoms	436
Heterogen Atoms	120

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
PHENIX	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.