<s>
Peptide	B-Application
computing	I-Application
is	O
a	O
form	O
of	O
computing	O
which	O
uses	O
peptides	O
,	O
instead	O
of	O
traditional	O
electronic	O
components	O
.	O
</s>
<s>
Similar	O
to	O
DNA	B-Application
computing	I-Application
,	O
the	O
parallel	O
interactions	O
of	O
peptide	O
sequences	O
and	O
antibodies	O
have	O
been	O
used	O
by	O
this	O
model	O
to	O
solve	O
a	O
few	O
NP-complete	O
problems	O
.	O
</s>
<s>
Specifically	O
,	O
the	O
hamiltonian	O
path	O
problem	O
(	O
HPP	O
)	O
and	O
some	O
versions	O
of	O
the	O
set	B-Algorithm
cover	I-Algorithm
problem	I-Algorithm
are	O
a	O
few	O
NP-complete	O
problems	O
which	O
have	O
been	O
solved	O
using	O
this	O
computational	O
model	O
so	O
far	O
.	O
</s>
<s>
This	O
model	O
of	O
computation	O
has	O
also	O
been	O
shown	O
to	O
be	O
computationally	B-Algorithm
universal	I-Algorithm
(	O
or	O
Turing	B-Algorithm
complete	I-Algorithm
)	O
.	O
</s>
<s>
This	O
model	O
of	O
computation	O
has	O
some	O
critical	O
advantages	O
over	O
DNA	B-Application
computing	I-Application
.	O
</s>
<s>
However	O
,	O
unlike	O
DNA	B-Application
computing	I-Application
,	O
this	O
model	O
is	O
yet	O
to	O
be	O
practically	O
realized	O
.	O
</s>
