The word "Sar Arg Val Tyr Val His Pro Ala" is a sequence of abbreviations for the amino acids present in a peptide sequence. The correct spelling would be "Sarcosyl Arginine Valine Tyrosine Valine Histidine Proline Alanine." The IPA phonetic transcription for these names would be something like /ˈsɑːrkəʊsɪl ˈɑːdʒɪniːn ˈvælaɪn ˈtaɪrəsiːn ˈvælaɪn ˈhɪstɪdiːn ˈprəʊliːn ˈæləniːn/ to help those unfamiliar with the vocabulary of biochemistry. This spelling is critical in scientific literature because it precisely reflects the sequence of amino