Model illustrating proposed relationships between components of the (tRNALys3) packaging/annealing complex. In this figure, Gag domains shown include the matrix (MA), capsid (CA), nucleocapsid (NC), and p6 domains. Pol domains within GagPol include p6* and integrase (IN), as well as the reverse transcriptase subdomains that include fingers, palm, thumb, connection (Conn.), and RNaseH.