6 Challenges in Peptide Synthesis — and How Experts Solve Them
Peptide synthesis is a key component in the drug discovery, diagnostics and biochemical research, yet it poses technical challenges. Modern custom peptide synthesis projects often involve complex sequences that require advanced expertise and quality control. Let's take a quick look at the 6 most frequent failure points, and what they do about them when they do fail. The 6 Challenges Incomplete Coupling Reactions Challenge : All amino acids must complete their bond in solid phase peptide synthesis ( SPPS ) . The peptides obtained by incomplete couplings are less pure and less bioactive. Expert Fix Solution : Optimized coupling reagents (HATU, HBTU) + double coupling protocols for sterically hindered sequences. Kaiser tests track progress as it happens . Aggregation During Synthesis Challenge : Long or hydrophobic sequences fold onto themselves during synthesis, preventing reactive resin sites from being available, a...