Table 4. DIRP specific positions clustered in Ras functional regions.

Functional Regions	Positions	Ratio
Switch I (Effectors binding site)	Y32, D33, P34, T35, I36	23%
Switch II	G60, Y64, A66, R68, Y71	23%
C-terminal hyper variable region	C186	5%
Nucleotide (GDP/GTP) binding site	G12, F28, T35, T58, A59, G60	27%
Innert regions	T20, Q22, D54, G77, V103, I139, E153	32%

First column lists the different functional region in Ras proteins. Second column indicates the DIRP amino acid position according to HRas sequence. Third column shows the percentage (Ratio) of DIRP specific positions in each functional region.