RIBOKIN-RXN<	group1
GCVT-RXN>	group2
GCVT-RXN<	group2
F16BDEPHOS-RXN>	group3
F16BDEPHOS-RXN<	group3
6PGLUCONOLACT-RXN>	group4
6PGLUCONOLACT-RXN<	group4
XYLULOKIN-RXN>	group5
XYLULOKIN-RXN<	group5