Nectin-like molecule 1 is a protein 4.1N associated protein and recruits protein 4.1N from cytoplasm to the plasma membrane.

Nectins are immunoglobulin superfamily adhesion molecules that participate in the organization of epithelial and endothelial junctions. Sharing high homology with the poliovirus receptor (PVR/CD155), nectins were also named poliovirus receptor-related proteins (PRRs). Four nectins and five nectin-like molecules have been identified. Here we describe the cloning and characterization of human ...
and mouse nectin-like molecular 1 (NECL1). Human and mouse NECL1 share 87.3% identity at the amino acid level. NECL1 contains an ectodomain made of three immunoglobulin-like domains, and a cytoplasmic region homologous to those of glycophorin C and contactin-associated protein. RNA blot and in situ hybridization analysis showed that NECL1 predominantly expressed in the central nervous system, mainly in neuronal cell bodies in a variety of brain regions including the cerebellum, cerebral cortex and hippocampus. In vitro binding assay proved the association of NECL1 with protein 4.1N. NECL1 localizes to the cell-cell junctions and recruits protein 4.1N to the plasma membranes through its C-terminus, thus may regulate the function of the cell-cell junction. We propose that the NECL1 and protein 4.1N complex is involved in the morphological development, stability, and dynamic plasticity of the nervous system.
Mesh Terms:
Amino Acid Sequence, Animals, Blood Proteins, Blotting, Western, Cell Adhesion Molecules, Cell Membrane, Central Nervous System, Cytoplasm, Cytoskeletal Proteins, Humans, Immunoglobulins, Membrane Proteins, Mice, Microtubule-Associated Proteins, Molecular Sequence Data, Neuropeptides, RNA, Messenger, Sequence Alignment, Sequence Analysis, Protein, Tumor Suppressor Proteins
Biochim. Biophys. Acta
Date: May. 20, 2005
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