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The influence of the stereochemistry and C-end chemical modification of dermorphin derivatives on the peptide-phospholipid interactions. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1862:183066. [PMID: 31634444 DOI: 10.1016/j.bbamem.2019.183066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 08/24/2019] [Accepted: 09/11/2019] [Indexed: 11/23/2022]
Abstract
In this work the conformation of dermorphin, Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2, an opioid peptide and its analogues with different stereochemistry of alanine and different C-terminus is studied in aqueous and membrane environments. Using two-dimensional NMR techniques we demonstrate that in D2O/H2O peptides with D-alanine have extended conformation, while for the L-isomers more compact conformation is preferred. The analysis of ROESY HR MAS spectra of the peptides interacting with the DMPC bilayer indicates that both stereoisomers have still more extended conformation compared to aqueous phase, as shown by much weaker intermolecular interactions. The influence of Ala residue stereochemistry is also reflected in the interactions of the studied peptides with model membranes, as shown by the 31P NMR static spectra, in which the shapes of the phosphorus NMR signals originating from D-isomers correspond to spherically shaped vesicles in the presence of external magnetic field, in comparison to a more elongated ones observed for L-isomers, while TEM photographs shows that upon addition of D-isomers larger lipid vesicles are formed, in contrast to smaller ones for L-isomers. The location of aromatic fragments of dermorphins in the membrane is determined based on static 2H NMR and 1H1H RFDR MAS experiments. All aromatic rings were found to be inserted in the hydrophobic part of the bilayer, with the exception of the Tyr5 rings of D-Ala dermorphins. The influence of the C-terminal modification was found to be almost imperceptible.
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Cativiela C, Ordóñez M, Viveros-Ceballos JL. Stereoselective synthesis of acyclic α,α-disubstituted α-amino acids derivatives from amino acids templates. Tetrahedron 2020. [DOI: 10.1016/j.tet.2019.130875] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Van der Poorten O, Knuhtsen A, Sejer Pedersen D, Ballet S, Tourwé D. Side Chain Cyclized Aromatic Amino Acids: Great Tools as Local Constraints in Peptide and Peptidomimetic Design. J Med Chem 2016; 59:10865-10890. [PMID: 27690430 DOI: 10.1021/acs.jmedchem.6b01029] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Constraining the conformation of flexible peptides is a proven strategy to increase potency, selectivity, and metabolic stability. The focus has mostly been on constraining the backbone dihedral angles; however, the correct orientation of the amino acid side chains (χ-space) that constitute the peptide pharmacophore is equally important. Control of χ-space utilizes conformationally constrained amino acids that favor, disfavor, or exclude the gauche (-), the gauche (+), or the trans conformation. In this review we focus on cyclic aromatic amino acids in which the side chain is connected to the peptide backbone to provide control of χ1- and χ2-space. The manifold applications for cyclized analogues of the aromatic amino acids Phe, Tyr, Trp, and His within peptide medicinal chemistry are showcased herein with examples of enzyme inhibitors and ligands for G protein-coupled receptors.
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Affiliation(s)
- Olivier Van der Poorten
- Research Group of Organic Chemistry, Departments of Chemistry and Bio-Engineering Sciences, Vrije Universiteit Brussel , Pleinlaan 2, 1050 Brussels, Belgium
| | - Astrid Knuhtsen
- Department of Drug Design and Pharmacology, University of Copenhagen , Jagtvej 162, 2100 Copenhagen, Denmark
| | - Daniel Sejer Pedersen
- Department of Drug Design and Pharmacology, University of Copenhagen , Jagtvej 162, 2100 Copenhagen, Denmark
| | - Steven Ballet
- Research Group of Organic Chemistry, Departments of Chemistry and Bio-Engineering Sciences, Vrije Universiteit Brussel , Pleinlaan 2, 1050 Brussels, Belgium
| | - Dirk Tourwé
- Research Group of Organic Chemistry, Departments of Chemistry and Bio-Engineering Sciences, Vrije Universiteit Brussel , Pleinlaan 2, 1050 Brussels, Belgium
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Maciejczyk M, Lasota A, Frączak O, Kosson P, Misicka A, Nowakowski M, Ejchart A, Olma A. The impact of β-azido(or 1-piperidinyl)methylamino acids in position 2 or 3 on biological activity and conformation of dermorphin analogues. J Pept Sci 2016; 22:545-51. [DOI: 10.1002/psc.2903] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 05/30/2016] [Accepted: 06/06/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Maciej Maciejczyk
- Department of Physics and Biophysics, Faculty of Food Science; University of Warmia and Mazury; Oczapowskiego 4 10-719 Olsztyn Poland
- Laboratory of Bioinformatics and Protein Engineering; International Institute of Molecular and Cell Biology in Warsaw; ul. Ks. Trojdena 4 02-109 Warsaw Poland
| | - Anika Lasota
- Institute of Organic Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Lodz Poland
| | - Oliwia Frączak
- Institute of Organic Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Lodz Poland
| | - Piotr Kosson
- Mossakowski Medical Research Centre; Polish Academy of Sciences; Pawińskiego 5 01-793 Warsaw Poland
| | - Aleksandra Misicka
- Mossakowski Medical Research Centre; Polish Academy of Sciences; Pawińskiego 5 01-793 Warsaw Poland
- Faculty of Chemistry; University of Warsaw; Pasteura 1 02-093 Warsaw Poland
| | - Michał Nowakowski
- Centre of New Technologies; University of Warsaw; Banacha 2C 02-097 Warsaw Poland
| | - Andrzej Ejchart
- Institute of Biochemistry and Biophysics; Polish Academy of Sciences; Pawińskiego 5A 02-106 Warsaw Poland
| | - Aleksandra Olma
- Institute of Organic Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Lodz Poland
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Van der Poorten O, Fehér K, Buysse K, Feytens D, Zoi I, Schwartz SD, Martins JC, Tourwé D, Cai M, Hruby VJ, Ballet S. Azepinone-Containing Tetrapeptide Analogues of Melanotropin Lead to Selective hMC4R Agonists and hMC5R Antagonist. ACS Med Chem Lett 2015; 6:192-7. [PMID: 25699148 DOI: 10.1021/ml500436s] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2014] [Accepted: 12/03/2014] [Indexed: 11/30/2022] Open
Abstract
To address the need for highly potent, metabolically stable, and selective agonists, antagonists, and inverse agonists at the melanocortin receptor subtypes, conformationally constrained indolo- and benzazepinone residues were inserted into the α-MSH pharmacophore, His(6)-Phe(7)-Arg(8)-Trp(9)-domain. Replacement of His(6) by an aminoindoloazepinone (Aia) or aminobenzazepinone (Aba) moiety led to hMC4R and hMC5R selective agonist and antagonist ligands, respectively (tetrapeptides 1 to 3 and 4, respectively). In peptides 1 to 3 and depending on the para-substituent of the d-Phe residue in position 2, the activity goes from allosteric partial agonism (1, R = H) to allosteric full agonism (2, R = F) and finally allosteric partial agonism (3, R = Br).
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Affiliation(s)
- Olivier Van der Poorten
- Research
Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Krisztina Fehér
- Department
of Organic Chemistry, University of Ghent, Krijgslaan 281 S4, 9000 Ghent, Belgium
| | - Koen Buysse
- Research
Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Debby Feytens
- Research
Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Ioanna Zoi
- Department
of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Steven D. Schwartz
- Department
of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - José C. Martins
- Department
of Organic Chemistry, University of Ghent, Krijgslaan 281 S4, 9000 Ghent, Belgium
| | - Dirk Tourwé
- Research
Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Minying Cai
- Department
of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Victor J. Hruby
- Department
of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Steven Ballet
- Research
Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
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Šačkus A, Bričkutė D, Paliulis O, Sløk FA. Synthesis of Heterocyclic Analogs of α-aminoadipic Acid and its Esters Based on Imidazo[2,1-b][1,3]Thiazole. J Heterocycl Chem 2014. [DOI: 10.1002/jhet.2090] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Algirdas Šačkus
- Department of Organic Chemistry; Kaunas University of Technology; Kaunas LT-50254 Lithuania
- Institute of Synthetic Chemistry; Kaunas University of Technology; Kaunas LT-50254 Lithuania
| | - Diana Bričkutė
- Department of Organic Chemistry; Kaunas University of Technology; Kaunas LT-50254 Lithuania
| | - Osvaldas Paliulis
- Institute of Synthetic Chemistry; Kaunas University of Technology; Kaunas LT-50254 Lithuania
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De Wachter R, de Graaf C, Keresztes A, Vandormael B, Ballet S, Tóth G, Rognan D, Tourwé D. Synthesis, Biological Evaluation, and Automated Docking of Constrained Analogues of the Opioid Peptide H-Dmt-d-Ala-Phe-Gly-NH2 Using the 4- or 5-Methyl Substituted 4-Amino-1,2,4,5-tetrahydro-2-benzazepin-3-one Scaffold. J Med Chem 2011; 54:6538-47. [DOI: 10.1021/jm2003574] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rien De Wachter
- Department of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Chris de Graaf
- Structural Chemogenomics, UMR 7200 CNRS-UdS, Université de Strasbourg, Illkirch F-67401, France
- Leiden/Amsterdam Center for Drug Research, Division of Medicinal Chemistry, Faculty of Science, VU University Amsterdam, Amsterdam, The Netherlands
| | - Atilla Keresztes
- Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary
| | - Bart Vandormael
- Department of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Steven Ballet
- Department of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Géza Tóth
- Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary
| | - Didier Rognan
- Structural Chemogenomics, UMR 7200 CNRS-UdS, Université de Strasbourg, Illkirch F-67401, France
| | - Dirk Tourwé
- Department of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
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