Recombinant Human Enterokinase protein (denatured) (Tag Free)

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Enterokinase also known as enteropeptidase is a serine protease enzyme with a significant role in the digestive process. It exhibits a mass of approximately 150 kDa and predominantly localizes in the brush border of the small intestine particularly in the duodenum. Enterokinase activates trypsinogen to trypsin by cleaving a specific lysine-isoleucine peptide bond which is a critical step in protein digestion. This enzyme exists as a membrane-bound protein facilitating its interaction with substrates within the intestinal lumen.

Biological function summary

Enterokinase triggers the activation cascade of pancreatic serine proteases necessary for protein breakdown. It acts as a gateway enzyme for the activation of several inactive enzymes into their active forms. Enterokinase functions independently and is not part of a large protein complex. Its role ensures efficient conversion of digestive enzymes like trypsinogen highlighting its importance in nutrient assimilation.

Pathways

Enterokinase plays a role in the digestive enzyme activation pathway specifically initiating the conversion of key proenzymes into active forms. The enzyme is integral to the protein digestion pathway along with other proteases like trypsin and chymotrypsin which further break down proteins into peptides and amino acids. Enterokinase's activity is essential for the downstream function of these proteases emphasizing its place at the pathway's front line.

Enterokinase deficiency can lead to severe protein malnutrition as seen in enterokinase deficiency disorder which results in an inability to fully digest dietary proteins. Additionally alterations in enterokinase function may relate to digestive disturbances and pancreatic disorders. This relationship underlines the enzyme's connection with trypsin heightened in cases where trypsinogen conversion is impaired further affecting digestive efficiency.