... three-dimensional structure and ligand-binding specificity and affinity of FABP3 and FABP4, the transcripts and proteins of the two paralogous genes exist in multipletissues and are colocalized in several mammalian ... acid-binding proteins (FABPs) are encoded by amultigene family termed the intracellular lipid-bindingprotein (iLBP) genes [1,2]. In vertebrates, at least 16paralogous iLBPs, including 10 FABPs and ... fabp3 and fabp4transcripts during development at 17 and 24 hpf. (A) Distribution offabp3 transcripts (A1, A2) in the diencephalon (Di), hindbrain (Hb),spinal cord (Sc), and somites (So), and...