The enzyme trypsin can hydrolyze off a phosphate-containing peptone.
en.wikipedia.org In order to compensate for these deficiencies mycoplasmas are grown on complex media, usually consisting of beef heart infusion, peptone, yeast extract, and serum with various supplements.
en.wikipedia.org Collier added a key component, peptone, a soluble protein, to the process.
en.wikipedia.org The archaeon utilizes only a limited range of substrates, such as glucose, xylose, and fructose, for growth, and is unique in its inability to utilize yeast extract or peptone.
en.wikipedia.org Around this time, he began investigations into the chemical composition of proteins, the alterations in proteins during transformation into peptone, the peptide components of cells, and other investigations.
en.wikipedia.org