Answers are grounded in this paper and cite their sources.
A purified enzyme system isolated from vaccinia virus cores has been shown to modify the 5' termini of viral mRNA and synthetic poly(A) and poly(G) to form the structures m'G(V)pppA-and m'G(V)pppG-.
No takes yet. Share an insight, caveat, or question.
Martin et al. (1975) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: