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Cited by 302

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Proline inhibits aggregation during protein refolding

Open access
Samuel, Dharmaraj, Ganesh, Gopal, Yang, Pey‐Wen, Chang, Mei‐Ming, Wang, Sue‐Lein, Hwang, Kuo‐Chu, Yu, Chin, Jayaraman, Gurunathan, Kumar, Thallampuranam Krishnaswamy S., Trivedi, Vishwa Deo, Chang, Ding‐Kwo·2000·Protein Science

Abstract

The in vitro refolding of hen egg‐white lysozyme is studied in the presence of various osmolytes. Proline is found to prevent aggregation during protein refolding. However, other osmolytes used in this study fail to exhibit a similar property. Experimental evidence suggests that proline inhibits protein aggregation by binding to folding intermediate(s) and trapping the folding intermediate(s) into enzymatically inactive, “aggregation‐insensitive” state(s). However, elimination of proline from the refolded protein mixture results in significant recovery of the bacteriolytic activity. At higher concentrations (>1.5 M), proline is shown to form loose, higher‐order molecular aggregate(s). The supramolecular assembly of proline is found to possess an amphipathic character. Formation of higher‐order aggregates is believed to be crucial for proline to function as a protein folding aid. In addition to its role in osmoregulation under water stress conditions, the results of this study hint at the possibility of proline behaving as a protein folding chaperone.

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Metadata

Authors
Samuel, D., Ganesh, G., Yang, P., Chang, M., Wang, S., Hwang, K., Yu, C., Jayaraman, G., Kumar, T. K. S., Trivedi, V. D., & Chang, D.
Venue
Protein Science
Publisher
Wiley
Published
2000-01
Volume
9
Issue
2
Pages
344-352
ISSN
  • 0961-8368 (ISSN-L)
  • 1469-896X
OpenAlex
W2106275356
Cited by
302
References
1
FWCI
1.58
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Proline inhibits aggregation during protein refolding. https://app.cochat.ai/papers/10.1110/ps.9.2.344
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Samuel, D., Ganesh, G., Yang, P., Chang, M., Wang, S., Hwang, K., Yu, C., Jayaraman, G., Kumar, T. K. S., Trivedi, V. D., & Chang, D. (2000). Proline inhibits aggregation during protein refolding. Protein Science. https://doi.org/10.1110/ps.9.2.344

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