Table 2.

Composition of samples for XRD and Raman spectroscopy

Sample	Composition
DMSO solution/DMSO PBS solution	DMSO 10 % (w/w) in DI water/PBS
DMSO + trehalose solution/ DMSO + trehalose PBS solution	DMSO 10 % (w/w) + 100 mM trehalose 3.2 % (w/w) in DI water/PBS
AFP solution	0.05 – 1 % (w/w) TrxA-ApAFP752, phosphate + NaCl in DI water, molar concentration of TrxA-ApAFP752: (71.34 μM TrxA- ApAFP752 in 50 mM NaxHyPO4 buffer containing 50 mM NaCl)
trehalose solution/trehalose PBS solution	3.2-41 % (w/w) trehalose in DI water /PBS