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7-dehydrocholesterol reductase; 7-DHC reductase; sterol reductase SR-2; sterol delta(7)-reductase (DHCR7 D7SR)

Function: 1) cholesterol biosynthesis 2) production of cholesterol by reduction of C7-C8 double bond of 7-dehydrocholesterol Cholesterol + NADP+ cholesta-5,7-dien-3-beta-ol + NADPH Structure: belongs to the ERG4/ERG24 family Compartment: endoplasmic reticulum Expression: - most abundant in adrenal gland, liver, testis, brain Pathology: - defects in DHCR7 associated with Smith-Lemli-Opitz syndrome

General

oxidoreductase phosphoprotein transmembrane 7 protein

Properties

SIZE: entity length = 475 aa MW = 54 kD COMPARTMENT: endoplasmic reticulum MOTIF: Ser phosphorylation site {S14} transmembrane domain {40-60} transmembrane domain {154-174} transmembrane domain {177-197} transmembrane domain {266-286} transmembrane domain {306-326} transmembrane domain {331-351} transmembrane domain {420-440}

Database Correlations

OMIM correlations MORBIDMAP 602858 UniProt Q9UBM7 Pfam PF01222 Entrez Gene 1717 KEGG correlations ENZYME 1.3.1.21

References

  1. UniProt :accession Q9UBM7
  2. GeneReviews http://www.ncbi.nlm.nih.gov/sites/genetests/lab/gene/DHCR7