Dictionary » P » Proteolytic

Proteolytic

proteolytic

1. Pertaining to, characterised by or promoting proteolysis.

2. An enzyme that promotes proteolysis (= the splitting of proteins by hydrolysis of the peptide bonds with formation of smaller polypeptides).

Origin: Gr. Lysis = dissolution


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Questions on the Sodium Potassium Pump and Enzymes

proteolytic cleavage is breaking of peptide bond

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by JackBean
Tue Nov 06, 2012 11:45 am
 
Forum: Cell Biology
Topic: Questions on the Sodium Potassium Pump and Enzymes
Replies: 3
Views: 3673

Re: Protein expression but no mRNA

... proteins in the vesicle are usually degraded by the lysosomal enzymes. For the protein to enter using endosomes, it would have to either resist proteolytic degradation or prevent fusion of the endosome and lysosome. Further, the protein would have to escape from the endosome if it is to function ...

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by jonmoulton
Wed Feb 22, 2012 4:13 pm
 
Forum: Molecular Biology
Topic: Protein expression but no mRNA
Replies: 10
Views: 6841

Denaturation and refolding of an enzyme

Q1: well, you have answered, why is it so stable, but does that relate to its function? Q2: I don't think the Cys-Cys bonds prevent proteolytic degradation (but I may be wrong), but otherwise it seems OK

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by JackBean
Thu Dec 02, 2010 2:14 pm
 
Forum: Cell Biology
Topic: Denaturation and refolding of an enzyme
Replies: 3
Views: 3449

Denaturation and refolding of an enzyme

... Cysteine residues play a valuable role by crosslinking proteins, which increases the rigidity of proteins and also functions to confer proteolytic resistance. Can you help me please?

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by enzsel
Thu Dec 02, 2010 1:54 pm
 
Forum: Cell Biology
Topic: Denaturation and refolding of an enzyme
Replies: 3
Views: 3449

Re: Gluten-free and Vaccines

... epitopes, as long as they are intrinsically resistant to the action of pepsin, trypsin, chymotrypsin, and elastase. By flanking such epitopes with proteolytically stable high-affinity tTGase substrates [e.g., the sequence PQPQLPYPQPQLP from gliadin (21)], they could be protected from exposure to ...

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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
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