1,4-Alpha-Glucan-Branching Enzyme

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** 1,4-alpha-glucan-branching enzyme (702 aa, ~80 kDa) is encoded by the human GBE1 gene. This protein is involved in the transfer of alpha-1,4-linked glucosyl moieties from the outer end of a glycogen chain to the alpha-1,6 position on the same or a neighboring glycogen chain.

**Synonyms:** - 1,4-Alpha-Glucan-Branching Enzyme 1 - Brancher Enzyme - EC 2.4.1.18 - GBE1 - Glycogen Branching Enzyme - Glycogen-Branching Enzyme