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Title 

A ribosome-inactivating protein from Amaranthus viridis

Authors 

Seok Yoon KwonChung Sun AnJang Ryol LiuKyung Hee Paek

Publisher 

Japan Society for Bioscience, Biotechnology and Agrochemistry

Issue Date 

1997

Citation 

Bioscience Biotechnology and Biochemistry, vol. 61, no. 9, pp. 1613-1614

Keywords 

Amaranthus viridisAntiviral proteinIn vitro translationRIPTMVantivirus agentglycosidasepokeweed antivirus proteinvegetable proteinanimal

Abstract 

An antiviral protein purified from the leaves of Amaranthus viridis was named amaranthin. The in vivo antiviral activity of amaranthin was confirmed in tobacco mosaic virus (TMV) infection test on Nicotiana glutinosa leaves. The molecular mass of the amaranthin was estimated about 30 kDa by SDS-PAGE and the pI was measured as 9.8 by isoelectric focusing (IEF) analysis. Cytotoxicity of the amaranthin using in vitro translation inhibition assay was similar to that of pokeweed antiviral protein (PAP) with IC50 of 25 pM. Depurination activity (N-glycosidase activity) against animal rRNA was also confirmed.

ISSN 

0916-8451

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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