[BioPython] bioperl idl

[Kate]

----- Original Message -----
From: Ewan Birney <birney@sanger.ac.uk>
To: Andrew Dalke <dalke@bioreason.com>
Cc: <biopython@biopython.org>
Sent: Monday, September 20, 1999 1:27 AM
Subject: Re: [BioPython] bioperl idl


> On Sun, 19 Sep 1999, Andrew Dalke wrote:
>
> > [Ewan's IDL]
> >
> > Let my start by asking a dumb question.  What does strand type (as in
> > + or -) mean?  Or do you have a URL for me (a protein person by
> > training) to read?
>
> Locations on DNA sequence can be on either strand or on 'both' strands.
> (hence either '+','-' or '.' or - my preferred notation, 1,-1,0).
>
>
  What I don't understand is how both the strand and complementary strand
can code for proteins?  It sounds like writing English with the constraint
that is makes sense read backwards?

                                                                  Kate