Catalysis of the reaction: P(1),P(4)-bis(5'-adenosyl) tetraphosphate + H(2)O = 2 ADP + 2 H(+).

Catalysis of the reaction: 4-carboxymethylenebut-2-en-4-olide + H2O = 4 oxohex-2-enedioate.

Catalysis of the reaction: CO + H2O + ferrocytochrome b-561 = CO2 + 2 H+ + 2 ferricytochrome b-561.

Catalysis of the reaction: phosphatidylglycerol + phosphatidylglycerol = diphosphatidylglycerol (cardiolipin) + glycerol.

Catalysis of the reaction: 1-carboxyvinyl carboxyphosphonate = 3-(hydrohydroxyphosphoryl)pyruvate + CO2.

Catalysis of the reaction: D-carnitine = L-carnitine.

Catalysis of the reaction: chloramphenicol + acetyl-CoA = chloramphenicol 3-acetate + CoA.

Catalysis of the endohydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose, lichenin and cereal beta-D-glucans.

Catalysis of the reaction: chorismate = 4-hydroxybenzoate + pyruvate.

Catalysis of the reaction: A + choline = AH(2) + betaine aldehyde.

Catalysis of the reaction: citrate = acetate + oxaloacetate.

Catalysis of the reaction: acetyl-CoA + citrate = acetate + (3S)-citryl-CoA.

Catalysis of the reaction: ATP + cob(I)alamin + H2O = phosphate + diphosphate + adenosylcobalamin.

Catalysis of the reaction: (3S)-citryl-CoA = acetyl-CoA + oxaloacetate.

Catalysis of the reaction: cobinamide + ATP = cobinamide phosphate + ADP. This reaction is the phosphorylation of the hydroxyl group of the 1-amino-2-propanol residue of cobinamide, in the presence of ATP, to form cobinamide phosphate.

Catalysis of the reaction: adenosylcobinamide-GDP + alpha-ribazole-5'-phosphate = adenosylcobalamin-5'-phosphate + GMP.

Catalysis of the reaction: adenosylcobinamide phosphate + GTP + 2 H(+) = adenosylcobinamide-GDP + diphosphate.

OBSOLETE. (Was not defined before being made obsolete).

Catalysis of the endonucleolytic cleavage at a junction such as a reciprocal single-stranded crossover between two homologous DNA duplexes (Holliday junction).

Catalysis of the reaction: cyanate + H2O = carbamate.