Glycosylation
Glycosylation — The enzymatic attachment of sugar moieties to a peptide or protein, affecting folding, stability, and biological recognition.
What Is Glycosylation?
Glycosylation is the post-translational attachment of sugar moieties to peptides and proteins. N-linked glycosylation occurs on Asn in the Asn-X-Ser/Thr sequon; O-linked glycosylation on Ser or Thr. Glycosylation affects peptide stability, half-life, immunogenicity, and receptor binding.
Peptide Applications
- Glycopeptide synthesis: Pre-formed glyco-amino acids incorporated during SPPS
- PK enhancement: Glycosylation increases hydrodynamic size, reducing renal clearance
- Antibiotic glycopeptides: Vancomycin, teicoplanin contain sugar moieties essential for antibacterial activity
Frequently Asked Questions
What is Glycosylation?
The enzymatic attachment of sugar moieties to a peptide or protein, affecting folding, stability, and biological recognition.
Why is Glycosylation important in peptide research?
Glycosylation is a fundamental concept in modification as it relates to peptide science. It directly influences experimental design, compound characterization, and the reliability of research outcomes across biochemistry and molecular biology disciplines.