1,4-alpha-glucan branching enzyme

n.
  1. An enzyme in muscles that catalyzes the breakdown of alpha-1,4 linkages in glycogen and the formation of alpha-1,6 linkages, thus creating branches in glycogen and increasing its solubility; brancher enzyme.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.