Table 3. List of Most Promising Protein-IL Systems Using ILs in Various Forms.

Protein	Ionic Liquids	Category	Goal
CAL B29	[Me(OEt)3-Et3N][OAc], [Me(OEt)3-Et-Im][OAc]	NIL	Stable Packaging
Cytochrome c31,32	[C2mim][C2OSO3], [Amim]Cl	NIL	Stable Packaging
CALB275	[C2OHmim][Tf2N], [C3OHmim][Tf2N] [C3OHTEA][HOC2SO3]	NIL	Stable packaging
Insulin282	[Cho][gerenate]	NIL	Stable packaging
Monellin59	[C4mpy][Tf2N]	A-ILCS	Stable packaging
Cytochrome61,63,66,296	[Cho][dhp]	A-ILCS	Stable packaging
Interleukin 2, IgG299,300	[Cho][dhp]	A-ILCS	Stable packaging
α-chymotrypsin68,291	[(C2H5)3NH][OAc], [(C2H5)3NH][PO4]	A-ILCS	Stable packaging
Insulin301	[(C2)3NH][dhp],	A-ILCS	Aggregation suppression
Lysozyme312	[CH3CH2NH3][NO3]	A-ILCS	Stable packaging
Lysozyme333	[C4mim]Cl	A-ILCS	Crystallization
Lysozyme331	[OHC2NH3][HCOO], [(C1)2OHC2NH][OHC2COO]	A-ILA	Crystallization
BSA, β-lactoglobulin (IgG)363	[C2mim]Cl, [C4mim]Cl, [C6mim]Cl, [C8mim]Cl	A-ILA	Protein fibril dissolution
BSA, ovalbumin, α-lactalbumin366	[C4Pyr]Br, [C8Pyr]Br, [C11Pyr]Br	A-ILA	Protein’s separation
Insulin317	[PAN][NO3]	A-ILA	Aggregation suppression
pepsin and papain354	[NH2C2C4im]Br	A-ILA	Activity enhancer
Trypsin372	[C2min]Br/CTAB	IL-ME	Activity enhancer
Lipase138	[C4mim][PF6], [C4mim][BF4]	IL-ME	Activity enhancer
Hemoglobin140	[C10mim][Br]+[C4mim][PF6]	IL-ME	Stable extraction
Cellulase121,368	[C8mim][C12OSO3], [Cho][DBS]	SAIL	Detergency
Cytochrome c149	[Cho][AOT]+[C2mim][C2OSO3]	SAIL	Stable packaging
BSA123	[C12Amim]Cl, [C12Emim]Cl	SAIL	Protein fibril dissolution
BSA383	[Cho][TES], [Cho][Tricine], [Cho][HEPES],	IL-ABS	Stable extraction
IgY383	[Cho][MES], [Cho][Tricine], [Cho][CHES], [Cho][HEPES], [Cho][TES]	IL-ABS	Stable extraction
Cytochrome c and Azocasein158	[N11[2(N11)]0][C1CO2]	IL-ABS	Stable extraction
IgG387	[Cho][Asc]	IL-ABS	Stable extraction
Myoglobin150	[bmpy][NTf2], [bmpy][OTf]	P–P–Conjugate	Stable Packaging
IgG395	[C-IgG][S]	P-IL	Stable Packaging