Table 2. Substrate specificity of purified asparaginase from E. cloacae.
Substrate | Concentration (mM) | Relative activity (%)a |
---|---|---|
L-Asparagine | 10 | 100±1.9 |
D-Asparagine | 10 | 2±0.4 |
DL-Asparagine | 10 | 4±0.3 |
L-Glutamine | 10 | N.D. |
D-Glutamine | 10 | N.D. |
L-Glutamic acid | 10 | N.D. |
DL-Aspartic acid | 10 | 1.3±0.4 |
L-Histidine | 10 | 1.1±0.3 |
L-Ornithine | 10 | 1.2±0.2 |
BOC-L-Asparagine | 10 | N.D. |
N-α-Acetyl-L-Asparagine | 10 | N.D. |
Urea | 10 | N.D. |
Acrylamide | 10 | N.D. |
N.D. = Not detected
aRelative activity shown in the table. Each value represents the mean ±SD for three determinations.