Cap Z protein
Also found in: Medical.
Cap Z protein[¦kap ¦zē ′prō‚tēn]
A microfilament capping protein located in the Z line of skeletal muscle, made up of two subunits that selectively bind to the positive ends of actin filaments, stabilizing them and preventing depolymerization.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.