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Solvent-controlled intramolecular excimer emission from organosilicon derivatives of naphthalene. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132287] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Fuller AA, Jimenez CJ, Martinetto EK, Moreno JL, Calkins AL, Dowell KM, Huber J, McComas KN, Ortega A. Sequence Changes Modulate Peptoid Self-Association in Water. Front Chem 2020; 8:260. [PMID: 32391314 PMCID: PMC7191062 DOI: 10.3389/fchem.2020.00260] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 03/17/2020] [Indexed: 01/15/2023] Open
Abstract
Peptoids, N-substituted glycine oligomers, are a class of diverse and sequence-specific peptidomimetics with wide-ranging applications. Advancing the functional repertoire of peptoids to emulate native peptide and protein functions requires engineering peptoids that adopt regular secondary and tertiary structures. An understanding of how changes to peptoid sequence change structural features, particularly in water-soluble systems, is underdeveloped. To address this knowledge gap, five 15-residue water-soluble peptoids that include naphthalene-functionalized side chains were designed, prepared, and subjected to a structural study using a palette of techniques. Peptoid sequence designs were based on a putative amphiphilic helix peptoid bearing structure-promoting (S)-N-(1-naphthylethyl)glycine residues whose self-association in water has been studied previously. New peptoid variants reported here include sequence changes that influenced peptoid conformational flexibility, functional group patterning (amphiphilicity), and hydrophobicity. Peptoid structures were evaluated and compared using circular dichroism spectroscopy, fluorescence spectroscopy, and size exclusion chromatography. Spectral data confirmed that sequence changes alter peptoids' degree of assembly and the organization of self-assembled structures in aqueous solutions. Insights gained in these studies will inform the design of new water-soluble peptoids with regular structural features, including desirable higher-order (tertiary and quaternary) structural features.
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Affiliation(s)
- Amelia A Fuller
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, United States
| | - Christian J Jimenez
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, United States
| | - Ella K Martinetto
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, United States
| | - Jose L Moreno
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, United States
| | - Anna L Calkins
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, United States
| | - Kalli M Dowell
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, United States
| | - Jonathan Huber
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, United States
| | - Kyra N McComas
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, United States
| | - Alberto Ortega
- Department of Chemistry & Biochemistry, Santa Clara University, Santa Clara, CA, United States
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Jimenez CJ, Tan J, Dowell KM, Gadbois GE, Read CA, Burgess N, Cervantes JE, Chan S, Jandaur A, Karanik T, Lee JJ, Ley MC, McGeehan M, McMonigal A, Palazzo KL, Parker SA, Payman A, Soria M, Verheyden L, Vo VT, Yin J, Calkins AL, Fuller AA, Stokes GY. Peptoids advance multidisciplinary research and undergraduate education in parallel: Sequence effects on conformation and lipid interactions. Biopolymers 2019; 110:e23256. [PMID: 30633339 PMCID: PMC6590334 DOI: 10.1002/bip.23256] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 12/17/2018] [Accepted: 12/21/2018] [Indexed: 01/05/2023]
Abstract
Peptoids are versatile peptidomimetic molecules with wide-ranging applications from drug discovery to materials science. An understanding of peptoid sequence features that contribute to both their three-dimensional structures and their interactions with lipids will expand functions of peptoids in varied fields. Furthermore, these topics capture the enthusiasm of undergraduate students who prepare and study diverse peptoids in laboratory coursework and/or in faculty led research. Here, we present the synthesis and study of 21 peptoids with varied functionality, including 19 tripeptoids and 2 longer oligomers. We observed differences in fluorescence spectral features for 10 of the tripeptoids that correlated with peptoid flexibility and relative positioning of chromophores. Interactions of representative peptoids with sonicated glycerophospholipid vesicles were also evaluated using fluorescence spectroscopy. We observed evidence of conformational changes effected by lipids for select peptoids. We also summarize our experiences engaging students in peptoid-based projects to advance both research and undergraduate educational objectives in parallel.
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Affiliation(s)
- Christian J. Jimenez
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Jiacheng Tan
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Kalli M. Dowell
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Gillian E. Gadbois
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Cameron A. Read
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Nicole Burgess
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Jesus E. Cervantes
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Shannon Chan
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Anmol Jandaur
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Tara Karanik
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Jaenic J. Lee
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Mikaela C. Ley
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Molly McGeehan
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Ann McMonigal
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Kira L. Palazzo
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Samantha A. Parker
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Andre Payman
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Maritza Soria
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Lauren Verheyden
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Vivian T. Vo
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Jennifer Yin
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Anna L. Calkins
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Amelia A. Fuller
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
| | - Grace Y. Stokes
- Department of Chemistry & BiochemistrySanta Clara UniversitySanta ClaraCaliforniaU.S.A.
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Vera M, Santacruz Ortega H, Inoue M, Machi L. Bichromophoric naphthalene derivatives of diethylenetriaminepentaacetate (DTPA): fluorescent response to H+, Ca2+, Zn2+, and Cd2+. Supramol Chem 2019. [DOI: 10.1080/10610278.2019.1588971] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Moises Vera
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, México
| | - Hisila Santacruz Ortega
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, México
| | - Motomichi Inoue
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, México
| | - Lorena Machi
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, México
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Fuller AA, Huber J, Jimenez CJ, Dowell KM, Hough S, Ortega A, McComas KN, Kunkel J, Asuri P. Solution effects on the self‐association of a water‐soluble peptoid. Biopolymers 2018; 110:e23248. [DOI: 10.1002/bip.23248] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 11/19/2018] [Accepted: 11/26/2018] [Indexed: 01/15/2023]
Affiliation(s)
- Amelia A. Fuller
- Department of Chemistry and Biochemistry Santa Clara University Santa Clara California USA
| | - Jonathan Huber
- Department of Bioengineering Santa Clara University Santa Clara California USA
| | - Christian J. Jimenez
- Department of Chemistry and Biochemistry Santa Clara University Santa Clara California USA
| | - Kalli M. Dowell
- Department of Chemistry and Biochemistry Santa Clara University Santa Clara California USA
| | - Samuel Hough
- Department of Chemistry and Biochemistry Santa Clara University Santa Clara California USA
| | - Alberto Ortega
- Department of Chemistry and Biochemistry Santa Clara University Santa Clara California USA
| | - Kyra N. McComas
- Department of Chemistry and Biochemistry Santa Clara University Santa Clara California USA
| | - Jeffrey Kunkel
- Department of Bioengineering Santa Clara University Santa Clara California USA
| | - Prashanth Asuri
- Department of Bioengineering Santa Clara University Santa Clara California USA
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New DTPA-derived bis-naphthalenophanes: fluorescence, protonation, and complexation with aromatic amines. J INCL PHENOM MACRO 2017. [DOI: 10.1007/s10847-017-0742-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Santacruz H, Navarro RE, Machi L, Sugich-Miranda R, Inoue M. Solution structures of fluorescent Zn(II) complexes with bis(naphthyl amide)–EDTA. Polyhedron 2011. [DOI: 10.1016/j.poly.2010.12.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Pérez-González R, Machi L, Inoue M, Sánchez M, Medrano F. Fluorescence and conformation in water-soluble bis(pyrenyl amide) receptors derived from polyaminopolycarboxylic acids. J Photochem Photobiol A Chem 2011. [DOI: 10.1016/j.jphotochem.2011.01.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Machi L, Muñoz IC, Pérez-González R, Sánchez M, Inoue M. Pyrene bichromophores composed of polyaminopolycarboxylate interlink: pH response of excimer emission. Supramol Chem 2009. [DOI: 10.1080/10610270802709360] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Lorena Machi
- a Departamento de Investigación en Polímeros y Materiales , Universidad de Sonora , Hermosillo, Sonora México
| | - Iliana C. Muñoz
- a Departamento de Investigación en Polímeros y Materiales , Universidad de Sonora , Hermosillo, Sonora México
| | - Refugio Pérez-González
- a Departamento de Investigación en Polímeros y Materiales , Universidad de Sonora , Hermosillo, Sonora México
| | - Mario Sánchez
- b Centro de Investigación en Materiales Avanzados , Apodaca, Nuevo León México
| | - Motomichi Inoue
- a Departamento de Investigación en Polímeros y Materiales , Universidad de Sonora , Hermosillo, Sonora México
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Santacruz Ortega H, Pina-Luis G, Karime López S, Rivero IA. Preparation of a Library of EDTA Amide x-Aminenaphthalene-y-sulfonic Acid Derivatives on Solid Phase and Their Fluorescence Behavior toward Transition Metals. ACTA ACUST UNITED AC 2009; 11:1030-7. [DOI: 10.1021/cc900075r] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hisila Santacruz Ortega
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Apartado Postal 130, Hermosillo, 83000 Sonora, México, and Centro de Graduados e Investigación, Instituto Tecnológico de Tijuana, Apartado Postal 1166, Tijuana, 22000 B. C., México
| | - Georgina Pina-Luis
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Apartado Postal 130, Hermosillo, 83000 Sonora, México, and Centro de Graduados e Investigación, Instituto Tecnológico de Tijuana, Apartado Postal 1166, Tijuana, 22000 B. C., México
| | - Sara Karime López
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Apartado Postal 130, Hermosillo, 83000 Sonora, México, and Centro de Graduados e Investigación, Instituto Tecnológico de Tijuana, Apartado Postal 1166, Tijuana, 22000 B. C., México
| | - Ignacio A. Rivero
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Apartado Postal 130, Hermosillo, 83000 Sonora, México, and Centro de Graduados e Investigación, Instituto Tecnológico de Tijuana, Apartado Postal 1166, Tijuana, 22000 B. C., México
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Machi L, Santacruz H, Sánchez M, Inoue M. Cd2+-sensiting bichromophore: Excimer emission from an EDTA-methylnaphthalene derivative. INORG CHEM COMMUN 2007. [DOI: 10.1016/j.inoche.2007.01.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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