7VRS

The complex of Acyltransferase and Acyl Carrier Protein Domains from module 9 of Salinomycin Polyketide Synthase

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7VT1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8	293	0.1 M Tris-HCl (pH 8.0), 0.4 M MgCl2, 0.2 M Na2SO4, 26% (v/v) PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.87	57.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.613	α = 90
b = 102.061	β = 90
c = 150.991	γ = 90

Symmetry
Space Group	P 2 2 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 PILATUS3 6M		2021-05-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL19U1	0.97853	SSRF	BL19U1

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	2.6	50	99.8	0.136	12.6	6.2		36632

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	2.6	2.64			0.62	3.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	7VT1	2.6	47.38	34508	1816	98.96	0.1878	0.1859	0.2251	RANDOM	41.361

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]
-0.44			0.07		0.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.041
r_dihedral_angle_4_deg	16.604
r_dihedral_angle_3_deg	16.318
r_dihedral_angle_1_deg	7.938
r_angle_refined_deg	1.414
r_angle_other_deg	1.234
r_chiral_restr	0.063
r_gen_planes_refined	0.02
r_gen_planes_other	0.01
r_bond_refined_d	0.008

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.041
r_dihedral_angle_4_deg	16.604
r_dihedral_angle_3_deg	16.318
r_dihedral_angle_1_deg	7.938
r_angle_refined_deg	1.414
r_angle_other_deg	1.234
r_chiral_restr	0.063
r_gen_planes_refined	0.02
r_gen_planes_other	0.01
r_bond_refined_d	0.008
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7143
Nucleic Acid Atoms
Solvent Atoms	119
Heterogen Atoms	57

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	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 R01GM157729.