ACCS (1-aminocyclopropane-1-carboxylate synthase homolog) is an inactive enzyme encoded on chromosome 11 with a unique catalytic profile distinct from its name suggests. While ACCS lacks the primary synthetic activity of its homologs and does not catalyze 1-aminocyclopropane-1-carboxylate synthesis, it retains enzymatic function through deamination of L-vinylglycine. The protein possesses pyridoxal phosphate binding capability and demonstrates transaminase activity, indicating involvement in amino acid metabolism. Gene Ontology annotations support roles in protein-protein interactions and amino acid metabolic processes. However, the provided PubMed abstracts do not contain direct information about ACCS function, expression, or disease associations. The abstracts primarily discuss acetyl-CoA carboxylases (ACCs) in fatty acid metabolism and cancer progression, adenoid cystic carcinoma immunology, and adrenocortical carcinoma pathogenesis—none of which directly address ACCS specifically. To provide comprehensive information on ACCS disease relevance and clinical significance, additional literature directly examining this gene product would be required.