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Cell. 1995 Apr 21;81(2):289-98.

Polycystic kidney disease: the complete structure of the PKD1 gene and its protein. The International Polycystic Kidney Disease Consortium.

[No authors listed]

Abstract

Mutations in the PKD1 gene are the most common cause of autosomal dominant polycystic kidney disease (ADPKD). Other PKD1-like loci on chromosome 16 are approximately 97% identical to PKD1. To determine the authentic PKD1 sequence, we obtained the genomic sequence of the PKD1 locus and assembled a PKD1 transcript from the sequence of 46 exons. The 14.5 kb PKD1 transcript encodes a 4304 amino acid protein that has a novel domain architecture. The amino-terminal half of the protein consists of a mosaic of previously described domains, including leucine-rich repeats flanked by characteristic cysteine-rich structures, LDL-A and C-type lectin domains, and 14 units of a novel 80 amino acid domain. The presence of these domains suggests that the PKD1 protein is involved in adhesive protein-protein and protein-carbohydrate interactions in the extracellular compartment. We propose a hypothesis that links the predicted properties of the protein with the diverse phenotypic features of ADPKD.

PMID:
7736581
[Indexed for MEDLINE]
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