ISDA

Entry Detail

PDB ID:

6FCE

Keywords:

Title:

NMR ensemble of Macrocyclic Peptidomimetic Containing Constrained a,a-dialkylated Amino Acids with Potent and Selective Activity at Human Melanocortin Receptors

Biological Source:

Source Organism:

synthetic construct

PDB Version:

Deposition Date:

2017-12-20

Release Date:

2018-04-25

Method Details:

Experimental Method:

SOLUTION NMR

Conformers Calculated:

100

Conformers Submitted:

Selection Criteria:

structures with the lowest energy

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Macromolecular Entities

Polymer Type:polypeptide(L)
Description:ACP-HIS-DPHE-ARG-TRP-ASP-NH2
Chain IDs:A
Chain Length:7
Number of Molecules:1
Biological Source:synthetic construct

Ligand Molecules

Primary Citation

Development of Macrocyclic Peptidomimetics Containing Constrained alpha , alpha-Dialkylated Amino Acids with Potent and Selective Activity at Human Melanocortin Receptors.

Merlino, F, Zhou, Y, Cai, M, Carotenuto, A, Yousif, A.M, Brancaccio, D, Di Maro, S, Zappavigna, S, Limatola, A, Novellino, E, Grieco, P, Hruby, V.J.Show

J. Med. Chem. 61 4263 4269 (2018)

PMID: 29660981 DOI: 10.1021/acs.jmedchem.8b00488

Abstact

We report the development of macrocyclic melanocortin derivatives of MT-II and SHU-9119, achieved by modifying the cycle dimension and incorporating constrained amino acids in ring-closing. This study culminated in the discovery of novel agonists/antagonists with an unprecedented activity profile by adding pieces to the puzzle of the melanocortin receptor selectivity. Finally, the resulting 19- and 20-membered rings represent a suitable frame for the design of further therapeutic ligands as selective modulators of the melanocortin system.

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Primary Citation of related structures