Multiple Assemblies exist for SMTL entry 1on3
Transcarboxylase 12S crystal structure: hexamer assembly and substrate binding to a multienzyme core (with methylmalonyl-coenzyme a and methylmalonic acid bound); X-RAY DIFFRACTION 1.90 Å

	SMTL ID 1on3.1 Ligands CADMIUM ION; METHYLMALONYL-COENZYME A; METHYLMALONIC ACID; (4S)-2-METHYL-2,4-PENTANEDIOL Polypeptides Methylmalonyl-CoA carboxyltransferase 12S subunit Oligo-state homo-hexamer
	SMTL ID 1on3.2 Ligands CADMIUM ION; METHYLMALONYL-COENZYME A; METHYLMALONIC ACID; (4S)-2-METHYL-2,4-PENTANEDIOL Polypeptides Methylmalonyl-CoA carboxyltransferase 12S subunit Oligo-state homo-12-mer