Regional Mapping of Genes Encoding Human Steroidogenic Enzymes: P450scc to 15q23–q24, Adrenodoxin to 11q22; Adrenodoxin Reductase to 17q24–q25; and P450c17 to 10q24–q25

Abstract excerpt

Steroid hormones are synthesized by a complex array of 10 enzymes. The genes for each of these have now been cloned, and previous work has determined the regional chromosomal assignments of six of these. We used in situ hybridization to determine the regional chromosomal assignments of the four remaining enzymes. The CYP11A1 gene encodes mitochondrial P450scc, which converts cholesterol to pregnenolone, and is...

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