Term Name:	protein-glycine ligase activity, elongating
Synonyms:	protein glycylase activity, elongating
Definition:	Catalysis of the posttranslational transfer of one or more glycine residues to a glycine residue covalently attached to the gamma-carboxyl group of a glutamate residue on a target protein, resulting in the elongation of a polyglycine side chain.
Ontology:	GO: Molecular Function [GO:0070737]    QuickGO    AmiGO