– 4 2 ▁season . ▁ ▁Over view ▁ ▁It ▁was ▁cont ested ▁by ▁ 1 4 ▁teams , ▁and ▁L ier se ▁S . K . ▁won ▁the ▁championship . ▁No ▁clubs ▁were ▁re leg ated ▁ow ing ▁to ▁the ▁expansion ▁of ▁the ▁Premier ▁Division ▁the ▁following ▁season ▁from ▁ 1 4 ▁clubs ▁to ▁ 1 6 . ▁ ▁League ▁stand ings ▁ ▁References ▁ ▁Category : Bel g ian ▁First ▁Division ▁A ▁seasons ▁Category : 1 9 4 1 – 4 2 ▁in ▁Belg ian ▁football ▁Belg ian <0x0A> </s> ▁In ▁en zym ology , ▁a ▁mal on ate - sem ial de hy de ▁de h ydro gen ase ▁() ▁is ▁an ▁en zym e ▁that ▁catal y zes ▁the ▁chemical ▁reaction ▁▁ 3 - ox op rop ano ate ▁+ ▁N AD ( P )+ ▁+ ▁H 2 O ▁ ▁mal on ate ▁+ ▁N AD ( P ) H ▁+ ▁ 2 ▁H + ▁ ▁The ▁ 4 ▁substr ates ▁of ▁this ▁en zym e ▁are ▁ 3 - ox op rop ano ate , ▁N AD + , ▁N AD P + , ▁and ▁H 2 O , ▁whereas ▁its ▁ 4 ▁products ▁are ▁mal on ate , ▁N AD H , ▁N AD PH , ▁and ▁H + . ▁ ▁This ▁en zym e ▁belongs ▁to ▁the ▁family ▁of ▁ox id ored uct ases , ▁specifically ▁those ▁acting ▁on ▁the ▁al de hy de ▁or ▁ox o ▁group ▁of ▁don or ▁with ▁N AD + ▁or