Nucleic acids research
-
Structure of HIV-1 TAR RNA in the absence of ligands reveals a novel conformation of the trinucleotide bulge F. Aboul-ela J. Karn and G. ⋯ Functional groups which have been identified as critical for Tat binding, including the backbone phosphates, are highlighted by van der Waals spheres. These include; phosphates: 21-22, 22-23, 39-40 and 40-41, U23 HI and 04, G26 and A27 N7. A22 and A27 are highlighted in purple, U23 in green and G26 in yellow.