pes:
<TT>promoter</TT>,
<TT>cds</TT>,
<TT>terminator</TT>,
<TT>utr</TT>,
<TT>primersite</TT>,
<TT>restrictionsite</TT>,
<TT>fivepoverhang</TT>,
<TT>threepoverhang</TT>,
<TT>noverhang</TT>,
<TT>assembly</TT>,
<TT>signature</TT>,
<TT>insulator</TT>,
<TT>ribosite</TT>,
<TT>rnastab</TT>,
<TT>proteasesite</TT>,
<TT>proteinstab</TT>,
<TT>rpromoter</TT>,
<TT>rarrow</TT>,
<TT>larrow</TT> and
<TT>lpromoter</TT>
were contributed by Jenny Cheng.

<H2><A NAME=record>Record-based Nodes</A></H2>
<B>NOTE:</B> Please see t