From: The role of gene fusions in the evolution of metabolic pathways: the histidine biosynthesis case
HisA quarters comparisons
hisA1
hisA2
HisA3
hisA4
HisA1
15.8
29
25.4
HisA2
42.9
20.6
32.2
58.1
13
HisA4
41.9