TABLE 5.

Hydrolysis of Asp-X and Glu-X peptides by PepB

Peptide	Sp act (μmol min−1)	Relative activitya
DI	659	120
DF	579	105
DL	550	100
DY	476	86
DC	348	63
DH	301	55
DQ	257	47
DE	200	36
DW	164	30
DA	177	32
DS	126	23
DV	119	22
DN	71	13
DM	69	12
DG	59	11
DT	25	4
DD	21	4
DR	2	0.4
DP	0.7	0.1
DK	<0.5	<0.09
EW	124	22
EY	114	21
EV	43	8
EA	41	7
EG	26	5
EK	16	3

^aRelative activity with respect to Asp-Leu activity (550 μmol min⁻¹ mg⁻¹).