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proteins. Page last changed on 19 Dec 2016.
Protocadherin alpha 12
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. [provided by RefSeq, Jul 2008] (from
Liu et al., Singapore, Singapore. In J Mol Evol, 2006
Novel cis-antisense transcripts, which partially overlap the PCDHalpha12 variable exon, PCDHbeta3 single-exon gene, and PCDHpsi5 unprocessed pseudogene in the human 5q31 PCDHalpha/beta/gamma gene cluster and which are coexpressed with sense-strand transcripts in fetal and adult brain, were identified computationally and validated by gene-specific strand-specific reverse transcriptase PCR (SSRTPCR) and sequencing.