Experiment: 9OAN

Crystal structure of nucleoside-diphosphate kinase from Cryptosporidium parvum in complex with with guanosine-5'-diphosphate and AMP-PNP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	AlphaFold	AF-Q5CR64-F1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	291	Berkeley F12: 25% MPD, 0.1M sodium Formate, 0.1M Citrate pH 5.5. CrpaA.01302.a.B2.PW39348 at 8.9 mg/mL. Crystals soaked for 4 hours in 10mM ANP and GDP, 5mM MgCl2 in 40% MPD, 0.1M sodium Formate, 0.1M Citrate pH 5.5. Ligands only bound if ANP is present. GDP only soaks did not produce binding. plate Liu-S-177 D2, Puck: PSL-0509, Cryo: direct from soaking solution

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.829	α = 90
b = 69.829	β = 90
c = 316.142	γ = 120

Symmetry
Space Group	P 65 2 2

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 EIGER2 XE 9M		2025-04-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 19-ID	0.9786	NSLS-II	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.63	48.03	99.4	0.106	0.109	0.025	0.999	18.7	17.4		58143

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.63	1.67		95.1	0.993	1.055	0.346	0.718		8.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.63	48.03	1.35	57987	2910	99.28	0.1508	0.1497	0.1627	0.1708	0.1819

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	16.583
f_angle_d	1.117
f_chiral_restr	0.06
f_plane_restr	0.017
f_bond_d	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3497
Nucleic Acid Atoms
Solvent Atoms	390
Heterogen Atoms	90

Software

Software
Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing
PDB_EXTRACT	data extraction