. "\"Catalysis of the transfer of an aldehyde or ketonic group from one compound (donor) to another (acceptor).\" [GOC:jl, ISBN:0198506732]" . . "transferase activity, transferring aldehyde or ketonic groups" . "transketolase or transaldolase activity" . "EC:2.2" . "EC:2.2.1" . . . . . . . . . . . .