A4GALT

A4GALT

Alpha 1,4-Galactosyltransferase. A gene on chromosome 22q13.2 which encodes alpha-1,4-galactosylstransferase, an enzyme that transfers a galactose to lactosylceramide, forming globotriaosylceramide, a glycolipid also known as P(k), of the P blood group system, formally known as CD77.