Substrate (50mM) U/mL  % R.Aa
DL-alanine 0.028 42.00
L-alanine 0.036 54.10
D-alanine 0 0
DL-leucine 0.037 55.60
L-methionine 0 0
L-cystin 0 0
L-phenylalanine 0.051 76.00
DL-tyrosine 0.067 100
L-tryptophan 0 0
L-serine 0.044 66.00
L-threonine 0 0
L-aspartic acid 0.009 13.20
L-glutamic acid 0 0
L-arginine 0 0
a% Relative activity (i.e. activity with respect to maximum)
Table 2: Comparison of the enzyme activity with different substrates.