- Cohesion group 1
- Cohesion group 2
- Cohesion group 3
- Cohesion group 4
- Cohesion group 5
- Cohesion group 6
- Cohesion group 7
- Cohesion group 8
- Cohesion group 9
- Cohesion group 10
- Cohesion group 11
- Cohesion group 12
- Cohesion group 13
- Cohesion group 14
- Cohesion group 15
- Cohesion group 16
- Cohesion group 17
- Cohesion group 18
- Cohesion group 19
- Cohesion group 20
- Cohesion group 21
- Cohesion group 22
- Cohesion group 23
- Cohesion group 24
- Cohesion group 25
- Cohesion group 26
- Cohesion group 27
- Cohesion group 28
- Cohesion group 29
- Cohesion group 30
- Cohesion group 31
- Cohesion group 32
- Cohesion group 33
- Cohesion group 34
- Cohesion group 35
- Cohesion group 36
- Cohesion group 37
- Cohesion group 38
- Cohesion group 39
- Cohesion group 40
- Cohesion group 41
- Cohesion group 42
- Cohesion group 43
- Cohesion group 44
- Cohesion group 45
- Cohesion group 46
- Cohesion group 47
- Cohesion group 48
- Cohesion group 49
- Cohesion group 50
- Cohesion group 51
- Cohesion group 52
Cohesion-group Approach for Evolutionary Analysis of Aspartokinase, an Enzyme that Feeds a Branched Network of Many Biochemical Pathways