Skip to main content
padlock icon - secure page this page is secure

The Propeptide is Required for In Vivo Formation of Active Protealysin

Buy Article:

$68.00 + tax (Refund Policy)

Two structurally distinct N-terminal propeptides are known in thermolysin-like proteases (TLPs). Propeptides of the first type are similar to the prosequence of thermolysin, while the second type propeptides resemble the protealysin propeptide. At the same time, the catalytic domains of all enzymes of the family are highly similar. The available data suggest that the propeptides determine the biological function of TLPs. It was shown that the thermolysin-type propeptides act as folding assistants, can inhibit cognate mature proteins, and influence their secretion. However, the functions of protealysin-like propeptides remain unclear. Here, we studied the effect of the propeptide on protealysin folding for the first time. After heterologous expression in E. coli cells, active enzyme is formed only in the presence of the propeptide either in cis or in trans. Thus, both types of TLP prosequences can function as folding assistants despite their structural dissimilarity and absolutely different interaction with the cognate catalytic domains as indicated by X-ray data.
No References
No Citations
No Supplementary Data
No Article Media
No Metrics

Keywords: Metalloprotease; propeptide; protealysin; protein folding; thermolysin-like protease

Document Type: Research Article

Publication date: June 1, 2015

More about this publication?
  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.
  • Editorial Board
  • Information for Authors
  • Subscribe to this Title
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more