Target id: 1326

Nomenclature: CYP2C9

Family: CYP2 family

Annotation status:  image of a grey circle Awaiting annotation/under development. Please contact us if you can help with annotation.  » Email us

   GtoImmuPdb view: OFF :     Currently no data for CYP2C9 in GtoImmuPdb

Gene and Protein Information
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human - - CYP2C9 cytochrome P450 family 2 subfamily C member 9
Previous and Unofficial Names
(R)-Limonene 6-monooxygenase | (S)-limonene 6-monooxygenase | (S)-limonene 7-monooxygenase | S-mephenytoin 4-hydroxylase | CYP2C10 | cytochrome P450, subfamily IIC (mephenytoin 4-hydroxylase), polypeptide 9 | cytochrome P450, family 2, subfamily C, polypeptide 9
Database Links
Ensembl Gene
Entrez Gene
Human Protein Atlas
KEGG Enzyme
Enzyme Reaction
EC Number:
EC Number:
EC Number:

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Key to terms and symbols View all chemical structures Click column headers to sort
Ligand Sp. Action Affinity Units Reference
compound 3 [PMID: 18255300] Hs Inhibition 8.4 pKi 2
pKi 8.4 (Ki 4.2x10-9 M) [2]
compound 51 [Crosignani et al., 2011] Hs Inhibition 6.7 pIC50 1
pIC50 6.7 (IC50 2x10-7 M) [1]
General Comments
Cytochrome P450 2C9 (CYP2C9) is one of the three major drug metabolizing cytochrome P450 enzymes in human liver.


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1. Crosignani S, Jorand-Lebrun C, Campbell G, Pretre A, Grippi-Vallotton, T, Quattropani, A, Bouscary-Desforges G, Bombrun A, Missotten, M, Humbert Y et al.. (2011) Discovery of a Novel Series of CRTH2 (DP2) Receptor Antagonists Devoid of Carboxylic Acids. ACS Med Chem Lett, 2: 938-942.

2. Peng CC, Rushmore T, Crouch GJ, Jones JP. (2008) Modeling and synthesis of novel tight-binding inhibitors of cytochrome P450 2C9. Bioorg. Med. Chem., 16 (7): 4064-74. [PMID:18255300]

How to cite this page

CYP2 family: CYP2C9. Last modified on 16/09/2015. Accessed on 23/07/2018. IUPHAR/BPS Guide to PHARMACOLOGY,