DrugDB00675 (Tamoxifen)
Interacting Gene/EnzymeCytochrome P450 2D6
Gene NameCYP2D6
UniProt IDP10635
Defining Change(s)
  • -1426C>T
  • -1235A>G
  • -1109C>T
  • -1000G>A
  • 100C>T
  • 310G>T
  • 843T>G
  • 1039C>T
  • 1661G>C
  • 2097A>G
  • 2828delC
  • 3384A>C
  • 3582A>G
  • 4180G>C
  • 4401C>T
Allele NameCYP2D6*100
Genotype(s)Not Available
Type(s)Effect Inferred
GroupsNon-functional CYP2D6
DescriptionPoor response to drug treatment, shorter time to relapse
  1. Montane Jaime LK, Lalla A, Steimer W, Gaedigk A: Characterization of the CYP2D6 gene locus and metabolic activity in Indo- and Afro-Trinidadians: discovery of novel allelic variants. Pharmacogenomics. 2013 Feb;14(3):261-76. doi: 10.2217/pgs.12.207. [PubMed:23394389 ]
  2. The Human Cytochrome P450 (CYP) Allele Nomenclature Database [Link]