8ARA

Heterologous Complex of Aeromonas hydrophila Type III secretion substrate AscX with Yersinia enterocolitica chaperone YscY

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	277	reservoir solution: 0.2 M sodium acetate, 0.1 M sodium citrate pH 5.5, 10 %(w/v) PEG4000; protein: 10 mg/mL in 20 mM Tris pH 8.0, 150 mM NaCl, 5 mM TCEP; drop size: 0.66 uL protein + 0.33 uL reservoir

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.318	α = 90
b = 94.852	β = 90
c = 101.369	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	PIXEL	DECTRIS EIGER X 16M		2020-10-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)	0.9919	PETRA III, EMBL c/o DESY	P14 (MX2)

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	2.3	94.85	75.79	0.165	0.174	0.056	0.997	11	9.4		14883			29.21

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	2.3	2.42	29		0.884	0.938	0.307	0.859	3	8.9

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	MOLECULAR REPLACEMENT	FREE R-VALUE	7QIH	2.3	44.7	1.34	14839	745	75.78	0.1929	0.1903	0.2426	43.47

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	11.6278
f_angle_d	0.4701
f_chiral_restr	0.0309
f_plane_restr	0.0029
f_bond_d	0.0028

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2865
Nucleic Acid Atoms
Solvent Atoms	102
Heterogen Atoms	17

Software

Software
Software Name	Purpose
XDS	data reduction
STARANISO	data scaling
PHASER	phasing
PHENIX	refinement

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.