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Nucleic Acids Research, 2000, Vol. 28, No. 1 326-328
© 2000 Oxford University Press

Aminoacyl-tRNA synthetases database Y2K

Maciej Szymanski and Jan Barciszewski*

Institute of Bioorganic Chemistry of the Polish Academy of Sciences, Noskowskiego 12/14, 61-704 Poznan, Poland

The aminoacyl-tRNA synthetases (AARS) are a diverse group of enzymes that ensure the fidelity of transfer of genetic information from DNA into protein. They catalyse the attachment of amino acids to transfer RNAs and thereby establish the rules of the genetic code by virtue of matching the nucleotide triplet of the anticodon with its cognate amino acid. Currently, 818 AARS primary structures have been reported from archaebacteria, eubacteria, mitochondria, chloro­plasts and eukaryotic cells. The database is a compil­ation of the amino acid sequences of all AARSs, known to date, which are available as separate entries or alignments of related proteins via the WWW at http://rose.man.poznan.pl/aars/index.html

* To whom correspondence should be addressed. Tel: +48 61 852 8503; Fax: +48 61 852 0532; Email: jbarcisz@ibch.poznan.pl


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