Thanks. When reverse engineering a metabolic circuit, the answer to this
question is important. Any information at all in this regard reduces the
reconstruction effort (aka the search space) considerably.
Caltech News Server wrote:
> You can easily make logic gates using moiety conserved cycles, pretty much
> all signaling pathways are made using them. Now whether nature does this is
> another matter.
>> h s a u r o @ k g i dot e d u
>> "Lord Snooty" <bonzo at dog.com> wrote in message
> news:pgpmoose.200307151456.10888 at net.bio.net...> > It seems clear that a Boolean AND function occurs in nature. Also, it is
> > clear that, since both inhibition and excitation of pathways exists, we
> > can have a NOT gate equivalent. But does an OR gate exist in natural
> > protein pathways? An XOR gate?
> > -Andrew