Abstract

Trans-dichlorodiammineplatinum (II) reacts with yeast phenylalanine transfer RNA to yield a major platinum binding site. The tightly bound platinum has been located on the oligonucleotide Gm-A-A-Y-A-ψp containing the anticodon by standard fingerprinting methods using 32P-labelled tRNA Phe. This site corresponds to a single major platinum site identified during an X-ray crystallographic analysis of yeast tRNA Phe. The solution studies have given confidence to the assignment of part of the 3 Å electron density map to the anticodon region of the molecular structure of yeast tRNA Phe.

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