PCDH18
Identifiers
Aliases	PCDH18, PCDH68L, protocadherin 18
External IDs	OMIM: 608287 MGI: 1920423 HomoloGene: 10389 GeneCards: PCDH18
Gene location (Human) Chr. Chromosome 4 (human)[1] Band 4q28.3 Start 137,518,918 bp[1] End 137,532,494 bp[1]
Gene location (Mouse) Chr. Chromosome 3 (mouse)[2] Band 3|3 C Start 49,697,745 bp[2] End 49,711,774 bp[2]
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in stromal cell of endometrium Achilles tendon parietal pleura lactiferous duct retinal pigment epithelium tibia placenta visceral pleura tibialis anterior muscle endothelial cell Top expressed in hand maxillary prominence dermis left lung lobe molar foot abdominal wall body of femur vas deferens belly cord More reference expression data BioGPS More reference expression data
Gene ontology Molecular function calcium ion binding Cellular component integral component of membrane plasma membrane membrane integral component of plasma membrane Biological process brain development homophilic cell adhesion via plasma membrane adhesion molecules cell adhesion cell-cell signaling nervous system development Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 54510 73173 Ensembl ENSG00000189184 ENSMUSG00000037892 UniProt Q9HCL0 Q8VHR0 RefSeq (mRNA) NM_001300828 NM_019035 NM_130448 RefSeq (protein) NP_001287757 NP_061908 NP_569715 NP_001391291 NP_001391292 NP_001391293 NP_001391295 NP_001391296 NP_001391306 Location (UCSC) Chr 4: 137.52 – 137.53 Mb Chr 3: 49.7 – 49.71 Mb PubMed search [3] [4]
Wikidata
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Protocadherin-18 is a protein that in humans is encoded by the PCDH18 gene.^[5][6][7]

This gene belongs to the protocadherin gene family, a subfamily of the cadherin superfamily. This gene encodes a protein which contains 6 extracellular cadherin domains, a transmembrane domain and a cytoplasmic tail differing from those of the classical cadherins. Although its specific function is undetermined, the cadherin-related neuronal receptor is thought to play a role in the establishment and function of specific cell-cell connections in the brain.^[7]