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. 2000 Feb;66(2):794–800. doi: 10.1128/aem.66.2.794-800.2000

TABLE 3.

Substrate specificity of purified PepT

Substrate (1 mM) Activity (%)
Met-Gly-Gly 100
Leu-Gly-Gly 34
Leu-Leu-Ala 33
Ala-Ala-Ala 26
Leu-Leu-Leu 15
Gly-Leu-Tyr 15
Lys-Gly-Gly 13
Tyr-Gly-Gly 11
Ala-Leu-Ala 7
Val-Gly-Gly 6
Pro-Gly-Gly 3
Ala-Pro-Leu 2
Phe-Gly-Gly 0
Leu-Leu 9
Leu-Gly 4
Met-Gly 0
Leu-Pro 0
Pro-Leu 0
Lys-Lys 0
Gly-Leu-Leu-Gly 0
Leu-Trp-Met-Arg 0
Leu-pNA 0
Lys-pNA 0
Pro-pNA 0
Gly-Pro-pNA 0