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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 4
BKCSDE 35(4)
April 20, 2014

Title	Genetic Incorporation of a Phenanthroline-Containing Amino Acid in Escherichia coli
Author	Sunhwa Jin, Hui-jung Lee, Sangyeul Lee, Hyun Soo Lee*
Keywords	Phenanthroline, Metal-chelating amino acids, Proteins
Abstract	A simple and general method that selectively introduces metal binding sites into a protein can greatly increase the ability to design and biosynthesize artificial metalloproteins. Here, we report the incorporation of a phenanthroline-containing amino acid (Phen-Ala) into proteins in Escherichia coli by using the tRNATyr CUA and tyrosyl aminoacyl-tRNA synthetase pair (BpyRS) from Methanococcus jannaschii, which was originally developed for a bipyridine-containing amino acid (Bpy-Ala). The incorporation efficiency of BpyRS for Phen- Ala was comparable to that for Bpy-Ala. Because of its high metal-binding ability and characteristic spectral properties, Phen-Ala can be a useful alternative to the existing metal-chelating amino acids for the design and synthesis of artificial metalloproteins.
Page	1087 - 1090
Full Text	PDF

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