In this report, an alkaline calcium dependent trypsin from Z. ophiocephalus was purified and identified based on molecular
weight, inhibitor sensibility, substrate specificity and N-terminal amino acids sequencing. The enzyme showed an optimum temperature at 60 ◦C and optimum pH of 9.0. The enzyme was highly stable at a pH range of 7.0–11.0 and at temperatures below 40 ◦C. Further, the activity of the enzyme was highly enhanced by the addition of calcium ion in the reaction mixture. On the other hand, the enzyme possesses some other special characteristics, stability against the
non-ionic surfactants and oxidizing agents, and compatibility with some commercial liquid and solid detergents.
Considering these properties, Z. ophiocephalus trypsin may find application in certain industrial applications that require alkaline conditions, such detergent industry. Further research is needed to determine properties of Z. ophiocephalus trypsin as a possible biotechnological tool in the fish processing and food industries.
In this report, an alkaline calcium dependent trypsin from Z. ophiocephalus was purified and identified based on molecularweight, inhibitor sensibility, substrate specificity and N-terminal amino acids sequencing. The enzyme showed an optimum temperature at 60 ◦C and optimum pH of 9.0. The enzyme was highly stable at a pH range of 7.0–11.0 and at temperatures below 40 ◦C. Further, the activity of the enzyme was highly enhanced by the addition of calcium ion in the reaction mixture. On the other hand, the enzyme possesses some other special characteristics, stability against thenon-ionic surfactants and oxidizing agents, and compatibility with some commercial liquid and solid detergents.Considering these properties, Z. ophiocephalus trypsin may find application in certain industrial applications that require alkaline conditions, such detergent industry. Further research is needed to determine properties of Z. ophiocephalus trypsin as a possible biotechnological tool in the fish processing and food industries.
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