Table 2.

Yields of Aβ₄₀ and Aβ₄₂ variants reported in literature and herein.

Aβ variant	Fusion partner/expression method	Purified Aβ peptide yield in mg/L in rich medium	Purified Aβ peptide yield in mg/L in minimal medium	Reference
Aβ(1–40)	NT*FlSp	40 ± 5	13 ± 4	here
	(NANP)19	22	—	22
	IFABP	4	—	24
	GST	7	1.5	23
Aβ(M1–40)	Directly from inclusion bodies	10–20	—	21
	Directly from inclusion bodies	—	10–15	51
	Co-expression with ZAβ3	—	4	20
Aβ(1–42)	NT*FlSp	37 ± 7	14 ± 2	here
	(NANP)19	19	—	22
	IFABP	3	—	24
	IFABP	—	6	52
	GST	15	—	53
	Ub	4	—	54
Aβ(M1–42)	Directly from inclusion bodies	8	—	21
	Co-expression with ZAβ3	—	3	20