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.

Synonyms: Q-Enzyme Branching Enzyme, 1,4-alpha-Glucan Q Enzyme Branching Enzyme, Starch EC 2.4.1.18 Enzyme, Glycogen Branching 1,4-alpha-D-Glucan:1,4-alpha-D-glucan 6-alpha-D-(1,4-alpha-D-glucano)-transferase 1,4-alpha-Glucan Branching Enzyme Enzyme, Amylopectin Branching Glycogen Branching Enzyme 1,4 alpha Glucan Branching Enzyme Enzyme, 1,4-alpha-Glucan Branching Branching Enzyme, Glycogen Amylopectin Branching Enzyme Glycosyltransferase, Branching Branching Enzyme Starch Branching Enzyme 0 Branching Glycosyltransferase Enzyme, Branching Branching Enzyme, Amylopectin Enzyme, Starch Branching