Enzymes for Research, Diagnostic and Industrial Use
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| Catalog | Product Name | EC No. | CAS No. | Source | Price |
|---|---|---|---|---|---|
| NATE-1294 | α-Neoagarobiose hydrolase 117A from Zobellia galactanivorans, Recombinant | E. coli | Inquiry |
α-Neoagarobiose hydrolase (NEO) is an enzyme that plays a crucial role in the degradation of agar, a complex polysaccharide derived from red algae. NEO belongs to the glycoside hydrolase 86 (GH86) family, and it specifically hydrolyzes α-1,3-linkages in neoagarobiose, which is a disaccharide unit present in agar. This enzyme can be found in several agar-degrading microorganisms, including bacteria and fungi. NEO's ability to degrade agar makes it a valuable tool in various biotechnological applications, particularly in the production of biofuels, food processing, and pharmaceuticals.
NEO uses a two-step reaction mechanism catalyzed by an acid and a base. In the first step, a general base extracts a proton from the sugar molecule, while a general acid protonates the leaving group and facilitates its departure. This results in the formation of an oxycarbonyl ionic intermediate. In the second step, the water molecule undergoes nucleophilic interaction, severing the glycosidic bond and releasing the hydrolysis product.
NEO has a typical TIM barrel fold, consisting of a central β lamellar structure surrounded by an α lamellar structure. The active site of the enzyme is located at the C-terminus of the barrel structure, which enables it to bind to and catalyze the hydrolysis of neoglutarose. The three-dimensional structure of NEO has been elucidated by X-ray crystallography, which provides a deeper understanding of its catalytic mechanism and substrate specificity.
The primary function of NEO is to enzymatically disassemble the α-1,3-conjugation of neoglutarose in agar. By breaking down agar into smaller sugar units, NEO promotes the use of agar as a carbon source by agarolytic microorganisms. This process releases fermentable sugars such as glucose and galactose, which can be further metabolized to produce energy. In addition, NEO's ability to cleave the α-1,3-linkage is of interest for a variety of industrial applications, including the production of functional oligosaccharides and bioactive compounds.
NEO's agar degradation capabilities can be applied in a variety of industries. In biofuel production, NEO can be utilized to hydrolyze agarose into fermentable sugars that can then be metabolized by engineered microorganisms to produce bioethanol or other bioproducts. In addition, the potential for NEO to produce new oligosaccharides with prebiotic properties has been explored. These oligosaccharides have great promise for the food and pharmaceutical industries due to their potential health benefits.
α-Neoagarose hydrolase (NEO) is an important enzyme involved in agar degradation. Its structure, function, and catalytic mechanism have been extensively studied. The importance of NEO extends to biotechnological applications, including biofuel production and the production of oligosaccharides with potential health benefits. Although the clinical significance of NEO has not been fully elucidated, its ability to hydrolyze agarose suggests possible applications in medical and diagnostic fields. Continued research on NEO and related enzymes will deepen our understanding of its fundamental properties and facilitate its practical application in a variety of industries.
Researchers are working to shed light on other aspects of NEO, including its evolution, regulation, and substrate specificity. By studying natural variants of NEO, scientists are working to identify the structural and functional determinants that influence substrate specificity and catalytic efficiency. These studies may help develop engineered variants of NEO with customized properties for specific applications.
