Complex sentence: The common house mould, "Trichoderma longibrachiatum", prooduces small toxic peptides containing amino acids not found in common proteins, like alpha-aminoisobutyric acid, called trilongins (upto 10% w/w).
Split into simpler sentences: The common house mould, "Trichoderma longibrachiatum", prooduces small peptides containing amino acids not found in proteins, like alpha-aminoisobutyric acid. The toxins are called trilongins (upto 10% w/w).