Term Name:	protein geranylgeranyltransferase activity
Synonyms:	protein-cysteine geranylgeranyltransferase activity
Definition:	Catalysis of the covalent addition of a geranylgeranyl (20-carbon isoprenoid) group via thioether linkages to a cysteine residue at or near the C terminus of a protein.
Ontology:	GO: Molecular Function [GO:0004661]    QuickGO    AmiGO