Table 2. Substrate specificity of purified recombinant GLA15.
Substrate | Specific activity (U/mg) | Relative activity (%)a |
Amylopectin | 2405.2±0.3 | 117 |
Maltooligosaccharides | 2097.5±0.5 | 102 |
Souble starch | 2051.5±0.7 | 100 |
Amylose | 1984.9±1.1 | 97 |
Glycogen | 1491.4±1.0 | 73 |
Dextran | 1310.9±1.7 | 64 |
Raw starch | 565.6±1.2 | 28 |
Maltose | 498.0±1.5 | 24 |
The enzymatic activity of GLA15 towards soluble starch is defined as 100%.