Term Name:	diphthine-ammonia ligase activity
Synonyms:	diphthamide synthase activity, diphthamide synthetase activity, diphthine:ammonia ligase (ADP-forming)
Definition:	Catalysis of the reaction: ATP + diphthine + NH4 = ADP + diphthamide + H+ + phosphate.
Ontology:	GO: Molecular Function [GO:0017178]    QuickGO    AmiGO