Table 3.

Distinguishable properties of acid-stable and neutral α-amylases.

Characteristics	Acidstable α-amylases	Neutral α-amylases
pH range	3.0–6.0	6.5–8.0
Temperature range (°C)	40–115	37–90
Molecular weight (kDa)	41–160	12.5–70
pI	3.4–4.8	5.0–7.1
Acid-stablity	3.5–5.5	Unstable
Thermostability (°C)	60–80	Unstable
Release of CNP from CNP-α-G3	G3 Suppressed by KSCN	Stimulated by KSCN
Cleavage of G5	GGG(α) + GG	GG + GGG(α/β)
Number of subsites	5	7–9

Modified from Sharma and Satyanarayana (2013a).