ɪɾ ɪz vˈaɪɾəl tə pˈɪnpɔɪnt wˌɪtʃ ɐmˈiːnoʊ ˈæsɪd ɪnðə pɹˈoʊtiːnz pɹˈaɪmɚɹi stɹˈʌktʃɚɹ ɪz bˌiːɪŋ fˈɑːsfoːɹˌɪleɪɾᵻd ɪn ˈɔːɹdɚ tʊ ˌʌndɚstˈænd ðə fˈʌŋkʃənz əvə fˈɑːsfoʊpptˌaɪd.
It is vital to pinpoint which amino acid in the protein’s primary structure is being phosphorylated in order to understand the functions of a phosphopeptide.