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    Genomics. 1996 Sep 15;36(3):424-30.

    Primary structure of human 11-cis retinol dehydrogenase and organization and chromosomal localization of the corresponding gene.

    Source

    Ludwig Institute for Cancer Research, Stockholm Branch, Sweden.

    Abstract

    The universal chromophore of visual pigments in higher animals is 11-cis retinaldehyde. The final step in the biosynthetic pathway generating this compound is catalyzed by 11-cis retinol dehydrogenase, a membrane-bound enzyme abundantly expressed in the retinal pigment epithelium of the eye. In this work we demonstrate that the primary structure of human 11-cis retinol dehydrogenase is highly conserved with 91% identity to the bovine enzyme. The gene encoding 11-cis retinol dehydrogenase spans over approximately 4.1 kb of DNA and is divided into four translated exons. Analysis of a panel of somatic cells hybrids and fluorescence in situ hybridization on metaphase chromosomes revealed that the gene is located on chromosome 12q13-q14. Due to the unique role of 11-cis retinol dehydrogenase in the generation of visual pigments, it is a candidate gene for involvement in hereditary eye disease.

    PMID:
    8884265
    [PubMed - indexed for MEDLINE]

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