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