2′,3′-Dideoxynucleoside triphosphates (ddNTP) and di-2′,3′-dideoxynucleoside tetraphosphates (ddNp4ddN) behave differently to the corresponding NTP and Np4N counterparts as substrates of firefly luciferase, dinucleoside tetraphosphatase and phosphodiesterases1Dedicated to our friend, Professor Claudio Fernández de Heredia, on his 65th birthday.1 | Publicación