ISDA

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	?	293	0.2% (w/v) Ala-Ala, 0.2% (w/v) Ala-Gln, 0.2% (w/v) Gly-Glu, 0.2% (w/v) Gly-L-Ala, 0.2% (w/v) Gly-L-Asp, 0.2% (w/v) Gly-Sar, 0.2% (w/v) L-Carnosine, 0.2% (w/v) Leu-Ala hydrate, 0.1 M Buffer System 3 [Tris (base); BICINE] pH 8.5, 20% (v/v) PEG 500* MME, 10 % w/v PEG 20,000; for TMPRSS2:VHH77, 0.2 M sodium malonate pH 6.0, 10% (w/v) Polyethylene glycol 3,350

Unit Cell:

a: 50.235 Å b: 161.286 Å c: 57.060 Å α: 90.00° β: 108.94° γ: 90.00°

Symmetry:

Space Group: P 1 21 1

Crystal Properties:

Matthew's Coefficient: 2.65 Solvent Content: 53.58

Refinement Statistics

Diffraction ID	Structure Solution Method	Cross Validation Method	Resolution Limit (High)	Resolution Limit (Low)	Number of Reflections (Observed)	Number of Reflections (R-free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.80	30.74	79025	3955	99.81	0.1744	0.2029	?

Data Collection

Overall

Resolution Limit (High)	Resolution Limit (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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
1.8	30.74	99.7	0.093	?	11.65	6.5	?	79102	?	?	?

Highest Resolution Shell

#	Resolution Limits (Low)	Resolution Limits (High)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.80	1.91	?	?	?	?	?	?

Diffraction

Diffraction experiment

Crystal ID	Scattering Type	Data Collection Temprature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1		100 K			?

Radiation Source

Source	Type	Wavelength List	Synchrotron Site	Beamline
SYNCHROTRON	SSRF BEAMLINE BL02U1	0.97918	SSRF	BL02U1

Software