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Function: Amylase is an enzyme that is responsible for the breaking of the bonds in starches, polysaccharides, and complex carbohydrates to be turned into simple sugars that will be easier to absorb. Clinical Significance: Amylase also has medical history in the use of Pancreatic Enzyme Replacement Therapy (PERT). One of the components is ...
The most basic description of the plant extracellular matrix (ECM) is the cell wall, but it is actually the cell surface continuum that includes a variety of proteins with major roles in plant growth, development, and response. The ECM is composed of the primary and secondary cell walls, along with the intercellular gap between its neighboring ...
Class I, the intracellular peroxidases, includes: cytochrome c peroxidase (CCP), a soluble protein found in the mitochondrial electron transport chain, where it probably protects against toxic peroxides; ascorbate peroxidase (AP), the main enzyme responsible for hydrogen peroxide removal in chloroplasts and cytosol of higher plants; [4] and ...
DyP-type peroxidases have been found to work on a large range of substrates, including synthetic dyes, monophenolic compounds, lignin-derived compounds, and alcohols. [1] Laccases, which are multicopper oxidases, are another class of enzymes found in both bacteria and fungi which have significant lignin-degrading properties.
By the late 17th and early 18th centuries, the digestion of meat by stomach secretions [7] and the conversion of starch to sugars by plant extracts and saliva were known but the mechanisms by which these occurred had not been identified. [8] French chemist Anselme Payen was the first to discover an enzyme, diastase, in 1833. [9]
Plant hormones, which are secondary metabolites, are often used to regulate the metabolic activity within cells and oversee the overall development of the plant. As mentioned above in the History tab, secondary plant metabolites help the plant maintain an intricate balance with the environment, often adapting to match the environmental needs.
When a substrate binds to the enzyme, the conformational change causes the domains to clamp around the substrate at the active site. EPSP synthase is classified into two groups based on sensitivity to glyphosate. Class I enzymes, found in plants and some bacteria, are inhibited by low micromolar concentrations of glyphosate.
Pectinase enzymes used today are naturally produced by fungi and yeasts (50%), insects, bacteria and microbes (35%) and various plants (15%), [4] but cannot be synthesized by animal or human cells. [5] In plants, pectinase enzymes hydrolyze pectin that is found in the cell wall, allowing for new growth and changes to be made.