wˌɛn fˈɔːɹmd ˌɪntʊ ɐ kˈɑːmplɛks wɪð ɡˈæltˈiː wˈʌn, ɐ ɡˈælɐktˌɑːsɪltɹɐnsfˌɜːɹeɪz, ˈælfəlˈæktɐlbjˌuːmɪn, ɛnhˈænsᵻz ðɪ ˈɛnzaɪmz ɐfˈɪnᵻɾi fɔːɹ ɡlˈuːkoʊs baɪ ɐbˌaʊt wˈʌn θˈaʊzənd tˈaɪmz, ænd ɪnhˈɪbɪts ðɪ ɐbˈɪləɾi tə pˌɑːlˈɪmɚɹˌaɪz mˌʌltɪpəl ɡˈælɐktˌoʊs jˈuːnɪts.
When formed into a complex with Gal-T1, a galactosyltransferase, α-lactalbumin, enhances the enzyme's affinity for glucose by about 1000 times, and inhibits the ability to polymerise multiple galactose units.