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 |











