Catalysis of the reaction: testosterone + NAD+ = androst-4-ene-3,17-dione + NADH.

Catalysis of the reaction: D-arabinitol + NAD(+) = D-ribulose + H(+) + NADH.

Catalysis of the reaction: (7S)-salutaridinol + NADP(+) = H(+) + NADPH + salutaridine.

Catalysis of the reaction: NADP+ + scytalone = NADPH + H+ + 1,3,6,8-naphthalenetetrol.

Catalysis of the reaction: trans-4-hydroxycyclohexanecarboxylate + NAD(+) = 4-oxocyclohexanecarboxylate + H(+) + NADH.

Catalysis of the reaction: 3alpha-hydroxyglycyrrhetinate + NADP(+) = 3-oxoglycyrrhetinate + H(+) + NADPH.

Catalysis of the reaction: diethyl (2R,3R)-2-methyl-3-hydroxysuccinate + NADP(+) = diethyl 2-methyl-3-oxosuccinate + H(+) + NADPH.

Catalysis of the reaction: NAD(P)+ + (15S)-15-hydroxy-5,8,11-cis-13-trans-icosatetraenoate = NAD(P)H + H+ + 15-oxo-5,8,11-cis-13-trans-icosatetraenoate.

Catalysis of the reaction: NADP(+) + prostaglandin I(2) = 15-dehydro-prostaglandin I(2) + H(+) + NADPH.

The process in which chloride is transported across a membrane.

Catalysis of the reaction: O2 + 3-(2,3-dihydroxyphenyl)propanoate = 2-hydroxy-6-oxonona-2,4-diene-1,9-dioate.

Catalysis of the reaction: 7,8-dihydroxykynurenate + O(2) = 5-(3-carboxylato-3-oxoprop-1-en-1-yl)-4,6-dihydroxypyridine-2-carboxylate + H(+).

Catalysis of the reaction: 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + H(2) = 5,10-methylenetetrahydromethanopterin + H(+).

The cell adhesion process in which mesenchyme cells adhere to one another in the initial stages of the formation of the pre-tubular aggregate, the earliest recognizable structure of the kidney.

Catalysis of the reaction: D-fructose + D-glucose = D-glucitol + D-glucono-1,5-lactone.

Catalysis of the reaction: (R)-pantolactone + A = 2-dehydropantolactone + AH(2).

OBSOLETE. Catalysis of the reaction: ferricytochrome B5 + ascorbate = ferrocytochrome B5 + monodehydroascorbate.