acyltransferase activity, transferring groups other than amino-acyl groups biphenyl synthase activity https://github.com/geneontology/go-ontology/issues/30193 GO:0033815 MetaCyc:2.3.1.177-RXN BIS molecular_function Catalysis of the reaction: 3 malonyl-CoA + benzoyl-CoA = 4 CoA + 3,5-dihydroxybiphenyl + 4 CO2. RHEA:22292 EC:2.3.1.177 malonyl-CoA:benzoyl-CoA malonyltransferase activity