Infrared spectra of the three-stranded helices formed by polyurdylic acid with polyadenylic acid and with tetraadenylic acid.
D000818:Animals; D006372:Helix, Snails; D009705:Nucleosides / Q000737:chemistry*; D009711:Nucleotides / Q000737:chemistry*; D011061:Poly A; D017433:Protein Structure, Secondary
D009705:Nucleosides; D009711:Nucleotides; D011061:Poly A
NUCLEOSIDES AND NUCLEOTIDES/chemistry