ˈælfəlˈæktɐlbjˌuːmɪn ɪz ɐ pɹˈoʊtiːn ðæt ɹˈɛɡjʊlˌeɪts ðə pɹədˈʌkʃən ʌv lˈæktoʊs ɪnðə mˈɪlk ʌv ˈɔːlmoʊst ˈɔːl mæmˈeɪliən spˈiːsiːz.
α-Lactalbumin is a protein that regulates the production of lactose in the milk of almost all mammalian species.