Table 2.

Numbers of Chains in Equivalent Enzyme Groups

No. of E. coli gene products	No. of yeast gene products	No. of groups
1	1	152
1	2	39
2	1	27
2	2	13
3	3	2
4	4	1
1	12	1
8	1	1
9	26	1
13	1	2
Other	Other	32
Total		271