6YY3

XFEL structure of the Soluble methane monooxygenase hydroxylase and regulatory subunit complex, from Methylosinus trichosporium OB3b, t=0 diferrous state prior to oxygen activation

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	30 mM Sodium-Iodide, 30 mM Sodium-Bromide, 30 mM Sodium-Fluoride, 20% (v/v) Glycerol, 10% (w/v) PEG 4000, 100 mM Hepes/MOPS pH 7.5 10 mM Iron(III) chloride

Crystal Properties
Matthews coefficient	Solvent content
3.03	59.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 106.041	α = 90
b = 106.041	β = 90
c = 301.029	γ = 90

Symmetry
Space Group	P 41 21 2

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 MX225-HS		2019-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	FREE ELECTRON LASER	PAL-XFEL BEAMLINE NCI	1.318066	PAL-XFEL	NCI

Serial Crystallography

Sample delivery method
Diffraction ID	Description	Sample Delivery Method
1	drop on tape combined with acustic droplet ejection	injection

Injection
Diffraction ID	Description	Flow Rate	Injector Diameter	Injection Power	Injector Nozzle	Filter Size	Carrier Solvent
1	acustic droplet ejection	8	260	focused acoustic pulse

Measurement
Diffraction ID	Pulse Duration	Pulse Repetition Rate	Focal Spot Size	Pulse Energy	Photons Per Pulse
1	35	15	2.5	9.406

Data Reduction
Diffraction ID	Frames Indexed	Crystal Hits	Total Frames
1			31000

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	24.66	99.06	0.933	1.994	81.9		116482			41.48

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.07	92.35		0.27

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	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	6YD0	2	24.66	116482	1977	99.06	0.2041	0.2036	0.2337	45.2607

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	9737
Nucleic Acid Atoms
Solvent Atoms	455
Heterogen Atoms	8

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 National Science Foundation (DBI-1832184), 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.