7R34

Difference-refined structure of fatty acid photodecarboxylase 900 ps following 400-nm laser irradiation of the dark-state determined by SFX

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6ZH7

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE	5.5	281.15	19% (w/v) PEG 4000, 0.1 M sodium citrate pH 5.5, 10 mM spermidine

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.39	α = 90
b = 60.01	β = 90.6
c = 182.9	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	277.15	PIXEL	CS-PAD CXI-1		2018-11-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	FREE ELECTRON LASER	SLAC LCLS BEAMLINE CXI	1.3	SLAC LCLS	CXI

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	2	25	100	0.994	0.18	4.8	270		93064

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.05	100		0.8	1.4	179

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	6ZH7	2	10	1.71	89564	4478	99.98	0.3098	0.3064	0.3727	34.4324

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8417
Nucleic Acid Atoms
Solvent Atoms	394
Heterogen Atoms	160

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
CrystFEL	data reduction
CrystFEL	data scaling
PHASER	phasing
Coot	model building

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.