The mkdom and XDOM programs have been used to analyze the domain organizations of the NBD proteins. The analysis revealed the following types of organization in Fusobacterium nucleatum nucleatum (1) the membrane/ATP-binding domain associations (MSD-NBD)(e.g. FN1080), (2) the membrane/membrane domain associations (MSD-MSD) eg FN1348.

Red box: Walker A motif

Black box: signature and Walker B motif