Preparation of tetranucleotides, ApApApCp, ApApApGp and ApApApUp.
D000595:Amino Acid Sequence; D002482:Cellulose; D002845:Chromatography; D009711:Nucleotides; D010179:Pancreas / Q000201:enzymology; D012313:RNA; D012260:Ribonucleases; D013053:Spectrophotometry
D009711:Nucleotides; D012313:RNA; D002482:Cellulose; D012260:Ribonucleases