6ZAH

Room temperature XFEL Isopenicillin N synthase structure in complex with Fe and ACV after exposure to dioxygen for 800ms.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BLZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE	8.5	298	1.7M Li2SO4, 0.1M TRIS pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.16	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.918	α = 90
b = 75.895	β = 90
c = 101.923	γ = 90

Symmetry
Space Group	P 21 21 21

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	RAYONIX MX340-HS		2018-12-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	FREE ELECTRON LASER	SLAC LCLS BEAMLINE MFX		SLAC LCLS	MFX

Serial Crystallography

Sample delivery method
Diffraction ID	Description	Sample Delivery Method
1		injection

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	1.43	21.19	99.96	0.977	0.162	28.131	85.25		61018			20.2994804644

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	1.43	1.455	100		0.06	1.286	0.312	19.57

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1BLZ	1.43	20.9293	1.3258	59645	1961	97.9264	0.1657	0.1645	0.2021	32.0191

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	11.40508
f_angle_d	0.71405
f_chiral_restr	0.0724
f_bond_d	0.00517
f_plane_restr	0.00438

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2598
Nucleic Acid Atoms
Solvent Atoms	192
Heterogen Atoms	30

Software

Software
Software Name	Purpose
PHENIX	refinement
cctbx.xfel	data reduction
PHASER	phasing
cxi.merge	data scaling

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 R01GM133198.