The four reactions include normal A, G, C, and T deoxynucleotide triphosphates (dNTPs), and each contains a low level of one of four dideoxynucleotide triphosphates (ddNTPs): ddATP, ddGTP ...
free deoxynucleotide bases (dATP, dCTP, dGTP, and dTTP), and a sparse mixture of fluorescently labeled dideoxynucleotide bases (ddATP, ddCTP, ddGTP, and ddTTP) that were each labeled with a ...