8C4Y

SFX structure of FutA bound to Fe(III)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2VP1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE		294	Purified protein, diluted crystal seeds, and crystallisation buffer were mixed at a 1:1.5:1.5 ratio. Crystallisation buffer was 25% PEG 3350, 200 mM sodium thiocyanate. Crystal seed stock was diluted 1:20 in 25% PEG 3350.

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.079	α = 90
b = 78.29	β = 97.358
c = 47.389	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	CCD	MPCCD		2019-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	FREE ELECTRON LASER	SACLA BEAMLINE BL2	1.127	SACLA	BL2

Serial Crystallography

Sample delivery method
Diffraction ID	Description	Sample Delivery Method
1		fixed target

Fixed Target
Diffraction ID	Description	Sample Holding	Support Base	Motion control	Sample Solvent
1	Silicon nitride chip				25600 apertures

Measurement
Diffraction ID	Pulse Duration	Pulse Repetition Rate	Focal Spot Size	Pulse Energy	Photons Per Pulse
1	10	30

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	R Split (All)	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	1.6	30.1	99.8	0.99	0.053	12.1	618.7		37266			12.09

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.628	100		0.91	0.089	4.6	274.5

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.6	30.096	37266	1919	99.791	0.191	0.1903	0.208	17.084

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]
-0.025		-0.503	0.143		0.011

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.941
r_dihedral_angle_3_deg	14.497
r_dihedral_angle_4_deg	13.316
r_dihedral_angle_1_deg	6.147
r_lrange_it	5.386
r_lrange_other	5.382
r_scangle_it	4.497
r_scangle_other	4.496
r_scbond_it	2.861
r_scbond_other	2.86
r_mcangle_it	2.605
r_mcangle_other	2.604
r_angle_refined_deg	1.76
r_mcbond_it	1.758
r_mcbond_other	1.753
r_angle_other_deg	1.461
r_symmetry_nbd_refined	0.236
r_symmetry_xyhbond_nbd_refined	0.235
r_nbd_other	0.233
r_nbd_refined	0.205
r_symmetry_nbd_other	0.179
r_nbtor_refined	0.17
r_xyhbond_nbd_refined	0.138
r_metal_ion_refined	0.116
r_chiral_restr	0.089
r_symmetry_nbtor_other	0.079
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2457
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
DIALS	data scaling
MOLREP	phasing