\HeaderA{ORF2Entrez}{Conversion locus tag -> Entrez ID and Entrez ID -> locus tag according to KEGG}{ORF2Entrez}
\aliasA{Entrez2ORF}{ORF2Entrez}{Entrez2ORF}
\keyword{file}{ORF2Entrez}
\begin{Description}\relax
Conversion locus tag -\textgreater{} Entrez ID and Entrez ID -\textgreater{} locus tag according to KEGG (see \textless{}URL:ftp://ftp.genome.jp/pub/kegg/genes/organisms/\textgreater{})
\end{Description}
\begin{Usage}
\begin{verbatim}
        ORF2Entrez(ORFIDs, organism="dme")
        Entrez2ORF(entrezIDs, organism="dme")
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{ORFIDs}] character vector of locus tags / ORF identifiers
\item[\code{organism}] KEGG letter code describing an organism.  Please refer to \textless{}URL:http://www.genome.jp/kegg-bin/create\_kegg\_menu\textgreater{} for a complete list of organisms (and their letter codes) supported by KEGG.
\item[\code{entrezIDs}] character vector of Entrez gene IDs
\end{ldescription}
\end{Arguments}
\begin{Value}
character vector
\end{Value}
\begin{Examples}
\begin{ExampleCode}
        entrez=ORF2Entrez("Dmel_CG4942", organism="dme")
        Entrez2ORF(entrez, organism="dme") # should be "Dmel_CG4942"
\end{ExampleCode}
\end{Examples}

