Enzymes [BR:adj01000]
2. Transferases
2.5 Transferring alkyl or aryl groups, other than methyl groups
2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
2.5.1.61 hydroxymethylbilane synthase
ACIU1J_12630 (hemC)
