Gating functions in protein networks
neoancient at hotmail.com
Thu Jul 31 10:57:50 EST 2003
Lord Snooty <bonzo at dog.com> wrote in
news:pgpmoose.200307160006.21787 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?
you can make an OR gate out of AND and NOT gates.
! (!A & !B) == A | B
the XOR gate is also equivalent
(A | B) & !(A & B) == A ^ B
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