Fusion protein amino acids 1-852 (full-length) of rat Chapsyn-110 (also known as Channel-associated protein of synapse-110, Postsynaptic density protein PSD-93, Disks large homolog 2, Dlg2 and Dlgh6, accession number Q63622) Mouse: 99% identity (846/852 amino acids identical Human: 94% identity (826/870 amino acids identical) >60% identity with other MAGUK family members (SAP97/Dlg1, SAP102/Dlg3 and PSD-95/Dlg4)