8QBI

AntI in closed state

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6HXA	AntI from P. luminescens catalyses terminal polyketide shortening in the biosynthesis of anthraquinones

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		292	100 mM HEPES, 0.1 M NaAc pH 6.6, 22% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.54	α = 90
b = 154.74	β = 90
c = 91.36	γ = 90

Symmetry
Space Group	C 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 EIGER X 16M		2021-07-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1.0	SLS	X06SA

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	1.55	50	99.1	0.029	22.5	4.5		55924

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	1.55	1.65	99.9		0.565	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.55	44.82	53121	2796	99.07	0.16217	0.16125	0.17992	RANDOM	29.079

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]
-2.43			-3.03		5.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.192
r_dihedral_angle_4_deg	18.488
r_dihedral_angle_3_deg	12.665
r_dihedral_angle_1_deg	6.448
r_long_range_B_refined	1.714
r_long_range_B_other	1.714
r_angle_other_deg	1.185
r_angle_refined_deg	1.161
r_scangle_other	1.03
r_mcangle_it	0.978
r_mcangle_other	0.978
r_scbond_it	0.796
r_scbond_other	0.795
r_mcbond_it	0.746
r_mcbond_other	0.744
r_rigid_bond_restr	0.477
r_chiral_restr	0.053
r_gen_planes_refined	0.004
r_bond_refined_d	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3039
Nucleic Acid Atoms
Solvent Atoms	334
Heterogen Atoms	21

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
REFMAC	phasing