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The ade4 Package - NexTag Supports Open Source Initiatives

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16 aminoacyl<br />

aminoacyl<br />

Codon usage<br />

Description<br />

aminoacyl is a list containing the codon counts of 36 genes encoding yeast aminoacyl-tRNAsynthetase(S.Cerevisiae).<br />

Usage<br />

data(aminoacyl)<br />

Format<br />

aminoacyl is a list containing the 5 following objects:<br />

genes is a vector giving the gene names.<br />

localisation is a vector giving the cellular localisation of the proteins (M = mitochondrial, C =<br />

cytoplasmic, I = indetermined, CI = cyto and mito).<br />

codon is a vector containing the 64 triplets.<br />

AA is a factor giving the amino acid names for each codon.<br />

usage.codon is a dataframe containing the codon counts for each gene.<br />

<strong>Source</strong><br />

Data prepared by D. Charif 〈charif@biomserv.univ-lyon1.fr〉 starting from:<br />

http://www.expasy.org/sprot/<br />

References<br />

Chiapello H., Olivier E., Landes-Devauchelle C., Nitschké P. and Risler J.L (1999) Codon usage<br />

as a tool to predict the cellular localisation of eukariotic ribosomal proteins and aminoacyl-tRNA<br />

synthetases. Nucleic Acids Res., 27, 14, 2848–2851.<br />

Examples<br />

data(aminoacyl)<br />

aminoacyl$genes<br />

aminoacyl$usage.codon<br />

dudi.coa(aminoacyl$usage.codon, scannf = FALSE)

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