On the interacting helices are residues Glu144 and Arg145, which interact together, forming a crosstalk ring that is believed to allow the enzyme's two active sites to communicate.
Nas hélices que interaccionan están os residuos Glu144 e Arg145, os cales interaccionan formando un anel que se cre que permite a comunicación entre os dous centros activos do encima.