2JSH

obestatin NMR structure in SDS/DPC micellar solution


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 28 
  • Selection Criteria: target function 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Obestatin conformational features: a strategy to unveil obestatin's biological role?

Scrima, M.Campiglia, P.Esposito, C.Gomez-Monterrey, I.Novellino, E.D'Ursi, A.M.

(2007) Biochem.Biophys.Res.Commun. 363: 500-505

  • DOI: 10.1016/j.bbrc.2007.08.200
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Obestatin and its derivative Ob(11-23) are recently discovered peptides produced in the rat stomach. They have proven to be involved in the regulation of energy balance, inhibiting feeding, causing reductions in food intake, body weight and jejunal c ...

    Obestatin and its derivative Ob(11-23) are recently discovered peptides produced in the rat stomach. They have proven to be involved in the regulation of energy balance, inhibiting feeding, causing reductions in food intake, body weight and jejunal contraction in rodents. The G-protein coupled receptor, GPR39, was originally proposed as being an obestatin target receptor, but this remains controversial. As such, the molecular mechanism for obestatin's effects in vivo is still uncertain. Here we report the CD and NMR conformational analysis of obestatin and Ob(11-23). Both peptides assume a regular secondary structure in the C-terminal region of the molecule. In this region, structural elements similar to other GPCR binding neuropeptides support the identity of obestatin as a new and functionally autonomous GPCR ligand. Conversely sequence and conformational specificity point to a new farmacoforic structure, on which innovative derivatives with a potential role in the treatment of obesity can be designed and synthetized.


    Organizational Affiliation

    Department of Pharmaceutical Sciences, University of Salerno, I-84084 Fisciano, Italy.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Appetite-regulating hormone, Obestatin
A
24Mus musculusMutation(s): 0 
Gene Names: Ghrl (Mtlrp)
Find proteins for Q9EQX0 (Mus musculus)
Go to UniProtKB:  Q9EQX0
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
NH2
Query on NH2
A
NON-POLYMERH2 N

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Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 28 
  • Selection Criteria: target function 
  • Olderado: 2JSH Olderado

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2008-10-21
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance