DrugDB00675 (Tamoxifen)
Interacting Gene/EnzymeCytochrome P450 2D6
Gene NameCYP2D6
UniProt IDP10635
Defining Change(s)
Allele NameCYP2D6*20
Genotype(s)Not Available
Type(s)Effect Inferred
GroupsNon-functional CYP2D6
DescriptionPoor response to drug treatment, shorter time to relapse
  1. Marez-Allorge D, Ellis SW, Lo Guidice JM, Tucker GT, Broly F: A rare G2061 insertion affecting the open reading frame of CYP2D6 and responsible for the poor metabolizer phenotype. Pharmacogenetics. 1999 Jun;9(3):393-6. [PubMed:10471072 ]
  2. The Human Cytochrome P450 (CYP) Allele Nomenclature Database [Link]