Journal of Neuroscience, Vol 5, 224-233, Copyright © 1985 by Society for Neuroscience
Characterization of an extended glutamate receptor of the on bipolar neuron in the vertebrate retina
MM Slaughter and RF Miller
The synaptic receptors of ON bipolar neurons are selectively activated by
2-amino-4-phosphonobutyrate, a glutamate analogue. This agent uniquely
distinguishes these receptors from other types of excitatory amino acid
receptors found in the retina. Various glutamate and aspartate analogues
were used to assess the structure-activity characteristics of this
receptor. The results suggest that it represents one class of glutamate
receptor which can be distinguished by its preferential activation by
acidic amino acid analogues that match the extended conformation of
glutamate.