Does "domain swapped" structures satisfy your criteria? I think that there
was a list of such proteins in one of David Eisenberg's papers.
Jiro, LB, NCI, NIH
in article 87y9b1p7tb.fsf at pc201-37.biochem.uni-potsdam.de, Frank Fürst at
ffrank at rz.uni-potsdam.de wrote on 20/8/2002 4:57 PM:
> I am looking for examples of oligomeric proteins that don't consist of
> associated independent structural domains, but rather form one domain
> from the two (or more) polypeptide chains. I know of some examples: the
> heterooligomers pea (2ltn) and lentil (1len, 1lal) lectin, which result
> from proteolytical processing of one gene product, and some fibrous
> phage proteins (e.g. see Mitraki et al, J. Struct. Biol. 137(2002),
> 236ff) or the C-terminal domain of homotrimeric P22 tailspike protein
> (1tsp). But I'd like to have more of them.
>> Does anybody have an idea, or even a complete program or database link,
> how I could search the protein structure database (pdb) for such
> structures?
>> Thanks in advance,
> Frank
