4rwd | pdb_00004rwd

XFEL structure of the human delta opioid receptor in complex with a bifunctional peptide

spinqualitylabelsall models 4rwd, resolution 2.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4rwd is a 4 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: NA, OLA, OLC NonStd Res: DI7, DI8, NH2 Related: 4n6h, 4ej4, 4rwa Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [C562_ECOLX] Electron-transport protein of unknown function. Publication Abstract from PubMed Bifunctional mu- and delta-opioid receptor (OR) ligands are potential therapeutic alternatives, with diminished side effects, to alkaloid opiate analgesics. We solved the structure of human delta-OR bound to the bifunctional delta-OR antagonist and mu-OR agonist tetrapeptide H-Dmt-Tic-Phe-Phe-NH2 (DIPP-NH2) by serial femtosecond crystallography, revealing a cis-peptide bond between H-Dmt and Tic. The observed receptor-peptide interactions are critical for understanding of the pharmacological profiles of opioid peptides and for development of improved analgesics. Structural basis for bifunctional peptide recognition at human delta-opioid receptor.,Fenalti G, Zatsepin NA, Betti C, Giguere P, Han GW, Ishchenko A, Liu W, Guillemyn K, Zhang H, James D, Wang D, Weierstall U, Spence JC, Boutet S, Messerschmidt M, Williams GJ, Gati C, Yefanov OM, White TA, Oberthuer D, Metz M, Yoon CH, Barty A, Chapman HN, Basu S, Coe J, Conrad CE, Fromme R, Fromme P, Tourwe D, Schiller PW, Roth BL, Ballet S, Katritch V, Stevens RC, Cherezov V Nat Struct Mol Biol. 2015 Mar;22(3):265-8. doi: 10.1038/nsmb.2965. Epub 2015 Feb , 16. PMID:25686086 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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