1. Summary
SynCAM 1 (Synaptic Cell Adhesion Molecule 1), a member of the immunoglobulin (Ig) superfamily of proteins, is an intercellular adhesion molecule at synapses in the central nervous system (CNS). It mediates interactions that bridge the synaptic cleft between pre- and postsynaptic membranes. SynCAM 1 has an active role in synaptic differentiation and induces formation of new presynaptic terminals. In keeping with this activity, SynCAM 1 is expressed throughout the developing brain, indicating a general role in synaptogenesis. SynCAM 1 is a member of a family of four genes found solely in vertebrates. The domain structure of all SynCAM family members is well defined. Three Ig-like domains constitute their extracellular sequence, followed by a single transmembrane region and a short cytosolic tail. Their intracellular sequences display an interaction motif for PDZ domain-containing adaptor molecules and for components of the actin cytoskeleton. These cytosolic protein interaction motifs are highly conserved among all four SynCAM proteins, underscoring their important role in mediating membrane differentiation.
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Biederer, T. (2006). SynCAM in Formation and Function of Synaptic Specializations. In: Dityatev, A., El-Husseini, A. (eds) Molecular Mechanisms of Synaptogenesis. Springer, Boston, MA . https://doi.org/10.1007/978-0-387-32562-0_9
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DOI: https://doi.org/10.1007/978-0-387-32562-0_9
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