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Genomics. 1997 Aug 15;44(1):71-82.

Human postsynaptic density-95 (PSD95): location of the gene (DLG4) and possible function in nonneural as well as in neural tissues.

Author information

1
Developmental Biology Center, University of California at Irvine 92697-2275, USA. dgstatha@UCI.EDU

Abstract

We have determined the cDNA sequence, expression pattern, and chromosomal location of the human gene DLG4, encoding the postsynaptic density-95 (PSD95) protein. hPSD95 is a 723-amino-acid protein that is 99% identical to its rodent counterparts. This is the fourth human protein identified as showing significant similarity to the Drosophila tumor suppressor Dlg. These proteins constitute the DLG subfamily of the membrane-associated guanylate kinase protein family. The expression of DLG4 in neural tissue is consistent with the pattern observed for its rat homolog. However, DLG4 is also expressed in a wide range of nonneural tissues, suggesting that the protein may have additional roles in humans. Using radiation-hybrid mapping panels, we mapped the DLG4 locus to 17p13.1, a region associated with several diseases, the phenotypes of which are consistent with loss of PSD95 function.

PMID:
9286702
DOI:
10.1006/geno.1997.4848
[Indexed for MEDLINE]

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