Table 5.

Comparison of Amy175 with other cold-active or thermophilic α-amylases.

α-amylase	Special feature	Optimal temperature (°C)	Arg (%)	Arg/(Arg+lys)ratio	Reference
Amy175	Cold active	25	2.7	0.32	This study
AHA	Cold active	25	2.9	0.5	[21]
ParAmy	Cold active	30	2.9	0.5	[22]
AmyZ	Cold active	35	3.5	0.36	[23]
Amy13	Mesophilic	60	4.6	0.62	[43]
Gt-amy	Thermophilic	80	4.0	0.4	[44]
AmyC	Thermophilic	90	5.4	0.42	[45]

The compositions of arginine and lysine in α-amylases were obtained from Genbank.