This enzyme belongs to the family of ligases, specifically those forming carbon-carbon bonds. The systematic name of this enzyme class is '. Other names in common use include oxalosuccinate synthetase', carboxylating factor for ICDH (incorrect), CFI, and OGC.
Aoshima M, Ishii M, Igarashi Y (2004). "A novel biotin protein required for reductive carboxylation of 2-oxoglutarate by isocitrate dehydrogenase in Hydrogenobacter thermophilus TK-6". Mol. Microbiol. 51 (3): 791–8. doi:10.1046/j.1365-2958.2003.03863.x. PMID14731279.
Aoshima M, Igarashi Y (2006). "A novel oxalosuccinate-forming enzyme involved in the reductive carboxylation of 2-oxoglutarate in Hydrogenobacter thermophilus TK-6". Mol. Microbiol. 62 (3): 748–59. doi:10.1111/j.1365-2958.2006.05399.x. PMID17076668.