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. 2013 Nov 26;29(3):269–278. doi: 10.1007/s12291-013-0408-y

Table 3.

Effects of various inhibitors on different Huaman ALPs [19]

Inhibitors ALP
L/B/K ALP Intestinal Placental Plac-like
l-Plenylalanine (Phe) 31 0.8 1.1 0.8
l-Homoarginine (Har) 2.7 40 >50 36
l-Phenylalanineglycylglycine (Pgg) 30.6 3.7 0.1 2.9
l-Leucine (Leu) 13.1 3.6 5.7 0.6
Levamisole (Leva) 0.03 6.8 1.7 2.7

Concentrations (nmol/l) of various inhibitors required to produce 50 % inhibition of different human ALPs under standardized conditions