S-(5-deoxy-D-ribos-5-yl)-L-homocysteine = L-homocysteine + (4S)-4,5-dihydroxypentan-2,3-dione (according to Swiss-Prot)

S-(5-deoxy-D-ribos-5-yl)-L-homocysteine --> (S)-4,5-dihydroxypentane-2,3-dione + L-homocysteine (according to UniProt)