1bau | pdb_00001bau

NMR STRUCTURE OF THE DIMER INITIATION COMPLEX OF HIV-1 GENOMIC RNA, MINIMIZED AVERAGE STRUCTURE

spinqualitylabelsall models 1bau Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1bau is a 2 chain structure with sequence from Human immunodeficiency virus 1. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solution NMR Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Retroviral genomes must dimerize to be fully infectious. Dimerization is directed by a unique RNA hairpin structure with a palindrome in its loop: hairpins of two strands first associate transiently through their loops, and then refold to a more stable, linear duplex. The structure of the initial, kissing-loop dimer from HIV-1, solved using 2D NMR, is bent and metastable, its interface being formed not only by standard basepairing between palindromes, but also by a distinctive pattern of interstrand stacking among bases at the stem-loop junctions. This creates mechanical distortions that partially melt both stems, which may facilitate spontaneous refolding of this RNA complex into linear form. Structure of the dimer initiation complex of HIV-1 genomic RNA.,Mujeeb A, Clever JL, Billeci TM, James TL, Parslow TG Nat Struct Biol. 1998 Jun;5(6):432-6. PMID:9628479 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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