Experiment: 9EKQ

Inhibiting the Virulence of Gut Bacteria through Blocking the Activation of a Two-component Lanthipeptide Toxin

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	AlphaFold

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		282	0.2M Ammonium Sulfate, 0.1M Sodium Acetate Trihydrate pH 4.2, 22% PEG 2000 Monomethyl ether

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.442	α = 90
b = 56.922	β = 102.47
c = 50.824	γ = 90

Symmetry
Space Group	C 1 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	81	PIXEL	DECTRIS EIGER2 X 16M		2024-09-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE 7B2	0.96860	CHESS	7B2

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	1.3	28.461	91	0.038	23.5	6.2		80018

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	1.3	1.304			0.621

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	1.3	28.46	1.34	79789	4070	90.75	0.1721	0.1713	0.1788	0.1863	0.183

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	10.936
f_angle_d	1.376
f_chiral_restr	0.097
f_plane_restr	0.008
f_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2896
Nucleic Acid Atoms
Solvent Atoms	471
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
autoPROC	data processing
Aimless	data scaling
PHASER	phasing
XDS	data reduction