1,4-alpha-Glucan Branching Enzyme

**Definition:** In glycogen or amylopectin synthesis, the enzyme that catalyzes the transfer of a segment of a 1,4-alpha-glucan chain to a primary hydroxy group in a similar glucan chain. EC 2.4.1.18.

**Tree numbers:** - D08.811.913.400.450.460.100

**Synonyms:** - Branching Enzyme - Branching Glycosyltransferase - Starch Branching Enzyme