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FLASH GENE
Symbol CYP7B1 contributors: mct/npt - updated : 22-02-2010
HGNC name cytochrome P450, family 7, subfamily B, polypeptide 1
HGNC id 2652
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
conjugated HemoP
mono polymer monomer
HOMOLOGY
Homologene
FAMILY
  • cytochrome P450, subfamily VIIB
  • multigenic cytochrome P450 superfamily of mixed-function monooxygenases
  • CATEGORY enzyme , transport
    SUBCELLULAR LOCALIZATION     intracellular
    intracellular,cytoplasm,organelle,membrane
    intracellular,cytoplasm,organelle,endoplasmic reticulum
    intracellular,cytoplasm,cytosolic,microsome
    basic FUNCTION
  • catalyzing the first and rate-limiting step in the coonversion of cholesterol to bile acids
  • playing a role in the alternative bile acid synthesis pathway
  • hydroxylates carbons 6 and 7 of the B ring of oxysterols and steroids (Stiles 2009)
  • balancing prostate hormone levels in human cells
  • importance of CYP7B1 in bile salt synthesis and the role of the enzyme in the inactivation of otherwise hepatotoxic oxysterols (Stiles 2009)
  • CYP7B1-mediated catalysis may play a role for control of the cellular levels of androgens, not only of estrogens (Pettersson 2009)
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS electron transport
    PATHWAY
    metabolism lipid/lipoprotein
    signaling
    pathway for cholesterol degradation
    a component
  • component of the acidic pathway of primary bile acids synthesis
  • INTERACTION
    DNA
    RNA
    small molecule cofactor, nucleotide,
  • NADPH
  • heme
  • protein
  • flavoprotein P450 oxidoreductase (POR)
  • cell & other
    REGULATION
    Other regulated by Sp1 (transcriptional regulation)
    ASSOCIATED DISORDERS
    corresponding disease(s) CYP7B1 , SPG5A
    Other morbid association(s)
    TypeGene ModificationChromosome rearrangementProtein expressionProtein Function
    constitutional       loss of function
    loss of CYP7B1 activity is associated with liver failure in children (Stiles 209)
    Susceptibility
    Variant & Polymorphism
    Candidate gene
    Marker
    Therapy target
    ANIMAL & CELL MODELS