RNA(n) + ATP = RNA(n)-3'-adenine ribonucleotide + diphosphate
rna(n) + atp = rna(n)-3'-adenine ribonucleotide + diphosphate
RNA(n) + ATP = RNA(n)-3'-adenine ribonucleotide + diphosphate
rna(n) + atp = rna(n)-3'-adenine ribonucleotide + diphosphate