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. 2002 Mar 17;182(2):113–119. doi: 10.1016/S0304-3835(02)00086-1

Table 2.

Cell surface aminopeptidase activity

Substrate Product (MCA) concentration (nM/103 cells/10 min)
Cell line U937 Cell line K562
AlaMCA 4.54±0.49 2.16±0.17
LeuMCA 3.46±0.47 5.08±0.33
ArgMCA 2.18±0.36 6.30±1.04