Kinetic parameters of the peptides obtained from the electrochemical measurements.

Peptide	I cat max H2O2 (mA cm−2)	K m H2O2 (mM)	k cat H2O2 (s−1)	I cat max TMB (mA cm−2)	K m TMB (mM)	k cat TMB (s−1)	K S (s−1)
1	0.529	0.53	10 700	0.299	45.23	6000	2.44
2	0.336	1.02	7300	0.183	52.72	4000	1.47
3	0.126	0.23	2600	0.152	63.03	3200	1.52
4	0.318	0.62	4700	0.181	73.13	2700	1.48