1csl | pdb_00001csl

CRYSTAL STRUCTURE OF THE RRE HIGH AFFINITY SITE

spinqualitylabelsall models 1csl, resolution 1.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1csl is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed The crystal structure of a 28 nt RNA fragment containing the human immunodeficiency virus type 1 (HIV-1) Rev response element high affinity binding site for Rev protein has been solved at 1.6 A resolution. The overall structure of the RRE helix is greatly distorted from A-form geometry by the presence of two purine-purine base-pairs and two single nucleotide bulges. G48 and G71 form a Hoogsteen-type asymmetric base-pair with G71 adopting a syn conformation. The non-canonical regions in the unliganded Rev response element molecule narrow the major groove width with respect to standard A-RNA. The Rev response element structure observed here represents a closed form of the Rev binding site and differs from conformations of the RNA observed previously by solution NMR studies. The structure of the HIV-1 RRE high affinity rev binding site at 1.6 A resolution.,Ippolito JA, Steitz TA J Mol Biol. 2000 Jan 28;295(4):711-7. PMID:10656783 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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