How would i go about breaking an isopeptide bond?

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SUMMARY

The discussion centers on breaking an isopeptide bond, specifically between the carboxyl group and the amino acid lysine. It is established that proteases are the appropriate enzymes for this task, with trypsin being a readily available option. Additionally, hydrochloric acid (HCl) and heat can also facilitate the bond cleavage. For a lysine-specific protease, a Roche product is suggested as a viable alternative.

PREREQUISITES
  • Understanding of isopeptide bonds and their formation
  • Knowledge of proteolytic enzymes, specifically proteases
  • Familiarity with the amino acid lysine and its chemical properties
  • Basic concepts of enzyme-substrate interactions
NEXT STEPS
  • Research the mechanism of action of proteases, particularly trypsin
  • Explore the use of hydrochloric acid in peptide bond hydrolysis
  • Investigate lysine-specific proteases and their applications
  • Study the effects of heat on protein structure and peptide bonds
USEFUL FOR

Chemistry students, biochemists, and professionals in molecular biology who are interested in peptide bond cleavage and enzyme applications.

okkvlt
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Hi. i don't know a lot about chemistry so bear with me.
the bond is between a member of the carboxyl group and the amino acid lysine.
as i understand i need an enzyme. what readily available enzyme would suffice?
would protease work?
 
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Your question doesn't make sense as presented. The peptide bond is between the amino functionality of an amino acid (lysine?) and the carboxy functionality of a different amino acid (also lysine?). The proteases as a class would be the enzyme you are looking for but HCl/heat would work as well. If you are looking for a lysine (lys) specific protease at the end of a peptide, http://www.roche-applied-science.com/pack-insert/1420429a.pdf" would work.
 
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nevermind. i got what i want. trypsin from the local health mart.
 

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