6HVB

NMR structure of Urotensin Peptide Asp-c[Cys-Phe-(N-Me)Trp-Lys-Tyr-Cys]-Val in SDS solution


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 10 
  • Selection Criteria: structures with the lowest energy 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Functional Selectivity Revealed by N-Methylation Scanning of Human Urotensin II and Related Peptides.

Merlino, F.Billard, E.Yousif, A.M.Di Maro, S.Brancaccio, D.Abate, L.Carotenuto, A.Bellavita, R.d'Emmanuele di Villa Bianca, R.Santicioli, P.Marinelli, L.Novellino, E.Hebert, T.E.Lubell, W.D.Chatenet, D.Grieco, P.

(2019) J Med Chem 62: 1455-1467

  • DOI: 10.1021/acs.jmedchem.8b01601
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • In accordance with their common but also divergent physiological actions, human urotensin II (1) and urotensin II-related peptide (2) could stabilize specific urotensin II receptor (UTR) conformations, thereby activating different signaling pathways, ...

    In accordance with their common but also divergent physiological actions, human urotensin II (1) and urotensin II-related peptide (2) could stabilize specific urotensin II receptor (UTR) conformations, thereby activating different signaling pathways, a feature referred to as biased agonism or functional selectivity. Sequential N-methylation of the amides in the conserved core sequence of 1, 2, and fragment U-II 4-11 (3) shed light on structural requirements involved in their functional selectivity. Thus, 18 N-methylated UTR ligands were synthesized and their biological profiles evaluated using in vitro competition binding assays, ex vivo rat aortic ring bioassays and BRET-based biosensor experiments. Biological activity diverged from that of the parent structures contingent on the location of amide methylation, indicating relevant hydrogen-bond interactions for the function of the endogenous peptides. Conformational analysis of selected N-methyl analogs indicated the importance of specific amide residues of 2 for the distinct pharmacology relative to 1 and 3.


    Organizational Affiliation

    Department of Pharmacy , University of Naples "Federico II" , via D. Montesano 49 , Naples 80131 , Italy.



Macromolecules
  • Find similar proteins by: Sequence   |   Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Urotensin-2
A
8Homo sapiensMutation(s): 1 
Gene Names: UTS2UNQ525/PRO1068
Find proteins for O95399 (Homo sapiens)
Go to UniProtKB:  O95399
NIH Common Fund Data Resources
PHAROS  O95399
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
E9M
Query on E9M
AL-PEPTIDE LINKINGC12 H14 N2 O2TRP
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 10 
  • Selection Criteria: structures with the lowest energy 
  • OLDERADO: 6HVB Olderado

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Canadian Institutes of Health ResearchCanada--

Revision History 

  • Version 1.0: 2019-01-16
    Type: Initial release
  • Version 1.1: 2019-04-24
    Changes: Data collection, Database references
  • Version 1.2: 2019-10-30
    Changes: Data collection, Database references