Oxidative decarboxylation of pyruvic acid is catalyzed by a multienzyme. complex with several functionally linked coenzymes. Name this complex.

Answer options

1. Flavin adenine dinucleotide (FAD), tetrahydrofolic acid, pyridoxal-5 phosphate, thymidine diphosphate (TDP), choline
2. Nicotinamide adenine dinucleotide (NAD), pyridoxal-5-phosphate, thymidine diphosphate (TDP), methylcobalamin, biotin
3. Thymidine diphosphate (TDP), flavin adenine dinucleotide (FAD), coenzyme A (CoASH), nicotinamide adenine Odinucleotide (NAD), lipoic acid
4. Lipoic acid, tetrahydrofolic acid, pyridoxal-5-phosphate, methylcobalamin
5. Coenzyme A (CoASH), flavin adenine dinucleotide (FAD), pyridoxal-5 phosphate, tetrahydrofolic acid, carnitine