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A BLAST variant called MegaBLAST indexes 4 databases to speed up alignments. [9] BLAT can extend on multiple perfect and near-perfect matches (default is 2 perfect matches of length 11 for nucleotide searches and 3 perfect matches of length 4 for protein searches), while BLAST extends only when one or two matches occur close together. [1] [9]
Enteropeptidase was discovered by Ivan Pavlov, who was awarded the 1904 Nobel Prize in Physiology or Medicine for his studies of gastrointestinal physiology.It is the first known enzyme to activate other enzymes, and it remains a remarkable example of how serine proteases have been crafted to regulate metabolic pathways. [6]
BLASTp, or Protein BLAST, is used to compare protein sequences. You can input one or more protein sequences that you want to compare against a single protein sequence or a database of protein sequences. This is useful when you're trying to identify a protein by finding similar sequences in existing protein databases. [18]
Pepsin / ˈ p ɛ p s ɪ n / is an endopeptidase that breaks down proteins into smaller peptides and amino acids.It is one of the main digestive enzymes in the digestive systems of humans and many other animals, where it helps digest the proteins in food.
Two motifs, K1-like (46–60), pGH3-like (41–59) and GF1 (33–51) have been identified. High molecular weight glutenin has also been identified as a potentially toxic protein [31] Some of the HMW glutenins increase response with transglutaminase treatment, indicating the sites might be similar to alpha-gliadin and gamma gliadin T-cell sites ...
Digestive enzymes take part in the chemical process of digestion, which follows the mechanical process of digestion. Food consists of macromolecules of proteins, carbohydrates, and fats that need to be broken down chemically by digestive enzymes in the mouth , stomach , pancreas , and duodenum , before being able to be absorbed into the ...
Proteolysis in organisms serves many purposes; for example, digestive enzymes break down proteins in food to provide amino acids for the organism, while proteolytic processing of a polypeptide chain after its synthesis may be necessary for the production of an active protein.
Control of the digestive system is also maintained by ENS, which can be thought of as a digestive brain that can help to regulate motility, secretion and growth. Sensory information from the digestive system can be received, integrated and acted upon by the enteric system alone. When this occurs, the reflex is called a short reflex. [4]