Experiment: 8CAR

Discovery of the lanthipeptide Curvocidin and structural insights into its trifunctional synthetase CuvL

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	0.1 M NPS, 0.1 M buffer system 3 pH 8.5, 30% precipitant mixture 1 (condition C9 from Morpheus screen, Molecular Dimensions, UK)

Crystal Properties
Matthews coefficient	Solvent content
4.79	74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 135.651	α = 90
b = 135.651	β = 90
c = 335.436	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 PILATUS 6M		2018-06-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.979568	BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim 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	2.68	117.433	99.7	0.227	0.999	13.68	20		96250			80

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.68	2.85	98.4		0.672	0.201	0.48	2

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	SAD	FREE R-VALUE	2.68	48.11	1.33	51748	1130	99.76	0.2977	0.2968	0.2967	0.3366	0.3367	122.58

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	12.2514
f_angle_d	0.7262
f_chiral_restr	0.0385
f_plane_restr	0.0072
f_bond_d	0.0044

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6293
Nucleic Acid Atoms
Solvent Atoms	1
Heterogen Atoms	9

Software

Software
Software Name	Purpose
PHENIX	refinement
autoXDS	data processing
SHELX	phasing
Coot	model building
XDS	data reduction
XSCALE	data scaling