Graemlin is a tool for aligning multiple global protein interaction networks; Graemlin also supports search for homology between a query module of proteins and a database of interaction networks.
:: MORE INFORMATION
Graemlin: general and robust alignment of multiple large interaction networks.
Flannick J, Novak A, Srinivasan BS, McAdams HH, Batzoglou S.
Genome Res. 2006 Sep;16(9):1169-81