Alpha-lactalbumin, or Lactalbumin, alpha-, is a human gene encoded by LALBA. It may also be known as: Alpha-lactalbumin; Lactose synthase B protein; Lysozyme-like protein 7. The encoded protein has an amino acid length of 142 and a mass of 16.2 kDa. Alpha-lactalbumin is a member of the Glycosyl hydrolase 22 family. Homologs of this gene exist in other organisms, including: Mouse, Rat.