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Protein PCDHA5 PDB 1wuz.png
AliasesPCDHA5, CNR6, CNRN6, CNRS6, CRNR6, PCDH-ALPHA5, protocadherin alpha 5
External IDsMGI: 1298371 HomoloGene: 49565 GeneCards: PCDHA5
Gene location (Human)
Chromosome 5 (human)
Chr.Chromosome 5 (human)[1]
Chromosome 5 (human)
Genomic location for PCDHA5
Genomic location for PCDHA5
Band5q31.3Start140,821,604 bp[1]
End141,012,347 bp[1]
RNA expression pattern
PBB GE PCDHA5 211838 x at fs.png
More reference expression data
RefSeq (mRNA)



RefSeq (protein)



Location (UCSC)Chr 5: 140.82 – 141.01 MbChr 18: 36.96 – 37.19 Mb
PubMed search[3][4]
View/Edit HumanView/Edit Mouse

Protocadherin alpha-5 is a protein that in humans is encoded by the PCDHA5 gene.[5][6][7]

This gene is a member of the protocadherin alpha gene cluster, one of three related gene clusters tandemly linked on chromosome five that demonstrate an unusual genomic organization similar to that of B-cell and T-cell receptor gene clusters. The alpha gene cluster is composed of 15 cadherin superfamily genes related to the mouse CNR genes and consists of 13 highly similar and 2 more distantly related coding sequences. The tandem array of 15 N-terminal exons, or variable exons, are followed by downstream C-terminal exons, or constant exons, which are shared by all genes in the cluster. The large, uninterrupted N-terminal exons each encode six cadherin ectodomains while the C-terminal exons encode the cytoplasmic domain. These neural cadherin-like cell adhesion proteins are integral plasma membrane proteins that most likely play a critical role in the establishment and function of specific cell-cell connections in the brain. Alternative splicing has been observed and additional variants have been suggested but their full-length nature has yet to be determined.[7]


  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000204965 - Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000103092 - Ensembl, May 2017
  3. ^ "Human PubMed Reference:".
  4. ^ "Mouse PubMed Reference:".
  5. ^ Wu Q, Maniatis T (Jul 1999). "A striking organization of a large family of human neural cadherin-like cell adhesion genes". Cell. 97 (6): 779–90. doi:10.1016/S0092-8674(00)80789-8. PMID 10380929.
  6. ^ Sugino H, Hamada S, Yasuda R, Tuji A, Matsuda Y, Fujita M, Yagi T (Apr 2000). "Genomic organization of the family of CNR cadherin genes in mice and humans". Genomics. 63 (1): 75–87. doi:10.1006/geno.1999.6066. PMID 10662547.
  7. ^ a b "Entrez Gene: PCDHA5 protocadherin alpha 5".

Further reading[edit]