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Title: Polymeric peptide pigments with sequence-encoded properties

Abstract

Melanins are a family of heterogeneous polymeric pigments that provide ultraviolet (UV) light protection, structural support, coloration, and free radical scavenging. Formed by oxidative oligomerization of catecholic small molecules, the physical properties of melanins are influenced by covalent and noncovalent disorder. We report the use of tyrosine-containing tripeptides as tunable precursors for polymeric pigments. In these structures, phenols are presented in a (supra-)molecular context dictated by the positions of the amino acids in the peptide sequence. Oxidative polymerization can be tuned in a sequence-dependent manner, resulting in peptide sequence–encoded properties such as UV absorbance, morphology, coloration, and electrochemical properties over a considerable range. Short peptides have low barriers to application and can be easily scaled, suggesting near-term applications in cosmetics and biomedicine.

Authors:
ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ; ORCiD logo; ORCiD logo; ; ORCiD logo
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Org.:
NSFU.S. AIR FORCE- OFFICE OF SCIENTIFIC RESEARCHFOREIGN
OSTI Identifier:
1379428
Resource Type:
Journal Article
Journal Name:
Science
Additional Journal Information:
Journal Volume: 356; Journal Issue: 6342; Journal ID: ISSN 0036-8075
Publisher:
AAAS
Country of Publication:
United States
Language:
ENGLISH
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Lampel, Ayala, McPhee, Scott A., Park, Hang-Ah, Scott, Gary G., Humagain, Sunita, Hekstra, Doeke R., Yoo, Barney, Frederix, Pim W. J. M., Li, Tai-De, Abzalimov, Rinat R., Greenbaum, Steven G., Tuttle, Tell, Hu, Chunhua, Bettinger, Christopher J., and Ulijn, Rein V. Polymeric peptide pigments with sequence-encoded properties. United States: N. p., 2017. Web. doi:10.1126/science.aal5005.
Lampel, Ayala, McPhee, Scott A., Park, Hang-Ah, Scott, Gary G., Humagain, Sunita, Hekstra, Doeke R., Yoo, Barney, Frederix, Pim W. J. M., Li, Tai-De, Abzalimov, Rinat R., Greenbaum, Steven G., Tuttle, Tell, Hu, Chunhua, Bettinger, Christopher J., & Ulijn, Rein V. Polymeric peptide pigments with sequence-encoded properties. United States. doi:10.1126/science.aal5005.
Lampel, Ayala, McPhee, Scott A., Park, Hang-Ah, Scott, Gary G., Humagain, Sunita, Hekstra, Doeke R., Yoo, Barney, Frederix, Pim W. J. M., Li, Tai-De, Abzalimov, Rinat R., Greenbaum, Steven G., Tuttle, Tell, Hu, Chunhua, Bettinger, Christopher J., and Ulijn, Rein V. Thu . "Polymeric peptide pigments with sequence-encoded properties". United States. doi:10.1126/science.aal5005.
@article{osti_1379428,
title = {Polymeric peptide pigments with sequence-encoded properties},
author = {Lampel, Ayala and McPhee, Scott A. and Park, Hang-Ah and Scott, Gary G. and Humagain, Sunita and Hekstra, Doeke R. and Yoo, Barney and Frederix, Pim W. J. M. and Li, Tai-De and Abzalimov, Rinat R. and Greenbaum, Steven G. and Tuttle, Tell and Hu, Chunhua and Bettinger, Christopher J. and Ulijn, Rein V.},
abstractNote = {Melanins are a family of heterogeneous polymeric pigments that provide ultraviolet (UV) light protection, structural support, coloration, and free radical scavenging. Formed by oxidative oligomerization of catecholic small molecules, the physical properties of melanins are influenced by covalent and noncovalent disorder. We report the use of tyrosine-containing tripeptides as tunable precursors for polymeric pigments. In these structures, phenols are presented in a (supra-)molecular context dictated by the positions of the amino acids in the peptide sequence. Oxidative polymerization can be tuned in a sequence-dependent manner, resulting in peptide sequence–encoded properties such as UV absorbance, morphology, coloration, and electrochemical properties over a considerable range. Short peptides have low barriers to application and can be easily scaled, suggesting near-term applications in cosmetics and biomedicine.},
doi = {10.1126/science.aal5005},
journal = {Science},
issn = {0036-8075},
number = 6342,
volume = 356,
place = {United States},
year = {2017},
month = {6}
}

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