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Molecular assay reagents intended to identify mutations in the collagen, type IV, alpha 5 (COL4A5) gene, located at chromosome Xq22, which encodes for the alpha 5 (IV) chain of type IV collagen that makes up a large portion of basement membranes. Mutations at this locus have been identified in patients with diseases that include Alport\'s syndrome and hereditary nephritis.
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