ID 3.1.1.120 DE L-fucono-1,5-lactonase. CA L-fucono-1,5-lactone + H2O = L-fuconate + H(+). CC -!- The enzyme, characterized from the bacterium Burkholderia CC multivorans, participates in an L-fucose degradation pathway. CC -!- The enzyme exhibits catalytic activity for the hydrolysis of several CC lactones, including L-fucono-1,4-lactone, D-arabinono-1,4-lactone, CC L-xylono-1,4-lactone, and L-galactono-1,4-lactone, but L-fucono-1,5- CC lactone is the best substrate. DR Q0BGE1, FCNLN_BURCM; A0A0H3KNC4, FCNLN_BURM1; P0DX22, FCNLN_PSEA6; //