however , elisa competition-inhibition studies with affinity-purified anti-gmp antibodies indicated that although the guanine base represents an important determinant , guanine-enriched oligo- and polynucleotides were preferred substrates ( i.e. , guanine-dependent , oligonucleotide specificity ) .
C0032550
polynucleotides
C0028953
oligonucleotide