adenosine monophosphate-protein transferase FICD fic S-phase protein cell division homolog huntingtin interactor protein E FIC domain-containing protein HIP-13 FIC domain containing protein adenylyltransferase FICD huntingtin-interacting protein E Huntingtin interacting protein E AMPylator FICD huntingtin yeast partner E HIP13 HYPE huntingtin-interacting protein 13 UNQ3041 de-AMPylase FICD