IRBP shuttles 11-cis and all trans retinoids between the retinol isomerase in the pigment epithelium and the visual pigments in the photoreceptor cells of the retina.
Subcellular locations: Secreted, Extracellular space, Extracellular matrix, Interphotoreceptor matrix
Interphotoreceptor matrix that permeates the space between the retina and the contiguous layer of pigment epithelium cells.