This invention is more particularly related to screening candidate nucleoside analogs for {HEAD ~ the ability} to be incorporated and extended by {TAIL ~ HIV reverse transcriptase} and cause incorrect base pairing 
to be incorporated by
This invention is more particularly related to screening candidate nucleoside analogs for { HEAD ~ the ability } to be incorporated and extended by { TAIL ~ HIV reverse transcriptase } and cause incorrect base pairing
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH