(p)pp(A2'p)nA is rare in normal mouse tissues while (A2'p)nA but not (p)pp(A2'p)nA appears to be present in E. coli.
D000227:Adenine Nucleotides / Q000378:metabolism*; D000818:Animals; D002851:Chromatography, High Pressure Liquid; D004926:Escherichia coli / Q000378:metabolism*; D051379:Mice; D009843:Oligoribonucleotides / Q000378:metabolism*; D011061:Poly A / Q000378:metabolism*; D013045:Species Specificity
D000227:Adenine Nucleotides; D009843:Oligoribonucleotides; D011061:Poly A; C023505:2',5'-oligoadenylate