Lactoglobulin is the primary component of whey, it binds retinol and is probably involved in the transport of that molecule. LACB1_HORSE Beta-lactoglobulin I Beta-lactoglobulin-1 LGB1 180 MKCLLLALGLALMCGIQATNIPQTMQDLDLQEVAGKWHSVAMAASDISLLDSESAPLRVYIEKLRPTPEDNLEIILREGENKGCAEKKIFAEKTESPAEFKINYLDEDTVFALDTDYKNYLFLCMKNAATPGQSLVCQYLARTQMVDEEIMEKFRRALQPLPGRVQIVPDLTRMAERCRI