triheteromeric

adjective2

1. •
   Having, or relating to, three different types of subunits.

   • These receptors are predominantly diheteromeric GluN1-N2B receptors [8 ,31 ,32 ] whereas those located postsynaptically at the same sites may be largely triheteromeric GluN1-N2A-N2B receptors [8 ]. — 2015
2. •
   Relating to a triheteromer.