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Trypsinogen (EC 3.4.23.18/20/21/23/24/26) is the precursor form of the pancreatic enzyme
Enzyme

Enzymes are biomolecules that catalysis chemical reactions. Almost all enzymes are proteins. In enzymatic reactions, the molecules at the beginning of the process are called Substrate , and the enzyme converts them into different molecules, the products....
 trypsin
Trypsin

Trypsin is a serine protease found in the digestive system, where it breaks down proteins. Trypsin predominantly cleaves peptide chains at the carboxyl side of the amino acids lysine and arginine, except when either is followed by proline....
 or a zymogen
Zymogen

A zymogen is an inactive enzyme Protein precursor. A zymogen requires a biochemical change for it to become an active enzyme. The biochemical change usually occurs in a lysosome where a specific part of the precursor enzyme is cleaved in order to activate it....
. It is found in pancreatic juice
Pancreatic juice

Pancreatic juice is a liquid secreted by the pancreas, which contains a variety of enzymes, including trypsinogen, chymotrypsinogen, elastase, carboxypeptidase, pancreatic lipase, and amylase....
, along with amylase
Amylase

Amylase is an enzyme that breaks starch down into sugar. Amylase is present in human saliva, where it begins the chemical process of digestion....
, lipase
Lipase

A lipase is a water-soluble enzyme that catalyzes the hydrolysis of ester chemical bond in water?insoluble, lipid substrates. Lipases thus comprise a subclass of the esterases....
, and chymotrypsinogen
Chymotrypsinogen

Chymotrypsinogen is a precursor of the digestive enzyme chymotrypsin .This molecule is inactive and must be cleaved by trypsin, and then by other...
. It is activated by enteropeptidase
Enteropeptidase

Enteropeptidase is an enzyme involved in human digestion. It is produced by cells in the duodenum wall, and is secreted from duodenum's glands, the crypts of Lieberk?hn, whenever ingested food enters the duodenum from the stomach....
, which is found in the intestinal mucosa, to form trypsin
Trypsin

Trypsin is a serine protease found in the digestive system, where it breaks down proteins. Trypsin predominantly cleaves peptide chains at the carboxyl side of the amino acids lysine and arginine, except when either is followed by proline....
. Once activated, the trypsin can activate more trypsinogen into trypsin. Trypsin cleaves peptide bond on carboxyl side of basic amino acid
Amino acid

In chemistry, an amino acid is a molecule containing both amine and carboxyl functional groups. These molecules are particularly important in biochemistry, where this term refers to alpha-amino acids with the general formula H2NCHRCOOH, where R is an organic substituent....
s.

Serum
Blood plasma

Blood plasma is the liquid component of blood, in which the blood cells are suspended. It makes up about 55% of total blood volume. It is composed of mostly water , and contains dissolved proteins, glucose, clotting factors, mineral ions, Hormone and carbon dioxide ....
 trypsinogen is measured using a blood test
Blood test

A blood test is a medical laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a hypodermic needle, or via fingerprick....
. High levels are seen in acute pancreatitis
Pancreatitis

Pancreatitis is the inflammation of the pancreas. See also acute pancreatitis and chronic pancreatitis for more details....
, and cystic fibrosis
Cystic fibrosis

Cystic Fibrosis is a Genetic disorder affecting the exocrine glands of the lungs, liver, pancreas, and intestines, causing progressive disability due to multisystem failure....
.








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Trypsinogen (EC 3.4.23.18/20/21/23/24/26) is the precursor form of the pancreatic enzyme
Enzyme

Enzymes are biomolecules that catalysis chemical reactions. Almost all enzymes are proteins. In enzymatic reactions, the molecules at the beginning of the process are called Substrate , and the enzyme converts them into different molecules, the products....
 trypsin
Trypsin

Trypsin is a serine protease found in the digestive system, where it breaks down proteins. Trypsin predominantly cleaves peptide chains at the carboxyl side of the amino acids lysine and arginine, except when either is followed by proline....
 or a zymogen
Zymogen

A zymogen is an inactive enzyme Protein precursor. A zymogen requires a biochemical change for it to become an active enzyme. The biochemical change usually occurs in a lysosome where a specific part of the precursor enzyme is cleaved in order to activate it....
. It is found in pancreatic juice
Pancreatic juice

Pancreatic juice is a liquid secreted by the pancreas, which contains a variety of enzymes, including trypsinogen, chymotrypsinogen, elastase, carboxypeptidase, pancreatic lipase, and amylase....
, along with amylase
Amylase

Amylase is an enzyme that breaks starch down into sugar. Amylase is present in human saliva, where it begins the chemical process of digestion....
, lipase
Lipase

A lipase is a water-soluble enzyme that catalyzes the hydrolysis of ester chemical bond in water?insoluble, lipid substrates. Lipases thus comprise a subclass of the esterases....
, and chymotrypsinogen
Chymotrypsinogen

Chymotrypsinogen is a precursor of the digestive enzyme chymotrypsin .This molecule is inactive and must be cleaved by trypsin, and then by other...
. It is activated by enteropeptidase
Enteropeptidase

Enteropeptidase is an enzyme involved in human digestion. It is produced by cells in the duodenum wall, and is secreted from duodenum's glands, the crypts of Lieberk?hn, whenever ingested food enters the duodenum from the stomach....
, which is found in the intestinal mucosa, to form trypsin
Trypsin

Trypsin is a serine protease found in the digestive system, where it breaks down proteins. Trypsin predominantly cleaves peptide chains at the carboxyl side of the amino acids lysine and arginine, except when either is followed by proline....
. Once activated, the trypsin can activate more trypsinogen into trypsin. Trypsin cleaves peptide bond on carboxyl side of basic amino acid
Amino acid

In chemistry, an amino acid is a molecule containing both amine and carboxyl functional groups. These molecules are particularly important in biochemistry, where this term refers to alpha-amino acids with the general formula H2NCHRCOOH, where R is an organic substituent....
s.

Serum
Blood plasma

Blood plasma is the liquid component of blood, in which the blood cells are suspended. It makes up about 55% of total blood volume. It is composed of mostly water , and contains dissolved proteins, glucose, clotting factors, mineral ions, Hormone and carbon dioxide ....
 trypsinogen is measured using a blood test
Blood test

A blood test is a medical laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a hypodermic needle, or via fingerprick....
. High levels are seen in acute pancreatitis
Pancreatitis

Pancreatitis is the inflammation of the pancreas. See also acute pancreatitis and chronic pancreatitis for more details....
, and cystic fibrosis
Cystic fibrosis

Cystic Fibrosis is a Genetic disorder affecting the exocrine glands of the lungs, liver, pancreas, and intestines, causing progressive disability due to multisystem failure....
.

Functions

  • Protein
    Protein

    Proteins are organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid Residue ....
     digestion
    Digestion

    Digestion is the mechanical and chemical breaking down of food into smaller components, to a form that can be Absorption, for instance, by a blood stream....
    .


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