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Peptidase

peptidase

(Science: enzyme) Alternative name for a protease. Any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis.A type of [[enzyme that is capable of breaking down polypeptide chains into single [[amino acids which can then be used by the body.


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Edman Degradation Problem

If I understand it correctly, peptides in one column originate from one peptidase, right? Can you check again, whether are they correct? For example for PI, the third and last peptides are the same. Further, first, fourth and fifth peptides contain CST, but ...

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by JackBean
Mon Oct 17, 2011 5:52 am
 
Forum: Molecular Biology
Topic: Edman Degradation Problem
Replies: 1
Views: 3985

Re: Gluten-free and Vaccines

... substrates [e.g., the sequence PQPQLPYPQPQLP from gliadin (21)], they could be protected from exposure to potent pancreatic and intestinal exopeptidases and would therefore have sufficiently long half-lives to permit efficient stimulation of the gut-associated lymphoid system. Secondary structural ...

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by tmerezko
Tue Jun 22, 2010 6:08 pm
 
Forum: General Discussion
Topic: Gluten-free and Vaccines
Replies: 7
Views: 17491

Re: Enzymes

Ah right ok, it's starting to make sense. Ok would I be right in saying that in the stomach, the enzyme Pepsin (belonging to the enzyme group peptidase) breaks down the substrate protein into peptides. These then pass into the duodenum where the peptides now become the substrate? So the amylase ...

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by mamoru
Thu Feb 25, 2010 4:30 pm
 
Forum: Molecular Biology
Topic: Enzymes
Replies: 16
Views: 18170

Re: Enzymes

Ah right ok, it's starting to make sense. Ok would I be right in saying that in the stomach, the enzyme Pepsin (belonging to the enzyme group peptidase) breaks down the substrate protein into peptides. These then pass into the duodenum where the peptides now become the substrate? So the amylase ...

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by Muska
Thu Feb 25, 2010 3:47 pm
 
Forum: Molecular Biology
Topic: Enzymes
Replies: 16
Views: 18170

Re: Enzymes

... Is that right? Location: Stomach. Enzyme: Pepsin: Substrate: Protein Result: polypeptide? Also I understand the enzyme Pepsin belongs to the peptidase group of enzymes, so is there a group that amylase belongs to? Or is amylase the group, and in actual fact the specific enzymes have other ...

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by Muska
Thu Feb 25, 2010 1:24 pm
 
Forum: Molecular Biology
Topic: Enzymes
Replies: 16
Views: 18170
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