NameCytochrome P450 2C18
Synonyms
  • 1.14.14.1
  • CYPIIC18
  • Cytochrome P450-6b/29c
Gene NameCYP2C18
OrganismHuman
Amino acid sequence
>lcl|BSEQ0006947|Cytochrome P450 2C18
MDPAVALVLCLSCLFLLSLWRQSSGRGRLPSGPTPLPIIGNILQLDVKDMSKSLTNFSKV
YGPVFTVYFGLKPIVVLHGYEAVKEALIDHGEEFSGRGSFPVAEKVNKGLGILFSNGKRW
KEIRRFCLMTLRNFGMGKRSIEDRVQEEARCLVEELRKTNASPCDPTFILGCAPCNVICS
VIFHDRFDYKDQRFLNLMEKFNENLRILSSPWIQVCNNFPALIDYLPGSHNKIAENFAYI
KSYVLERIKEHQESLDMNSARDFIDCFLIKMEQEKHNQQSEFTVESLIATVTDMFGAGTE
TTSTTLRYGLLLLLKYPEVTAKVQEEIECVVGRNRSPCMQDRSHMPYTDAVVHEIQRYID
LLPTNLPHAVTCDVKFKNYLIPKGTTIITSLTSVLHNDKEFPNPEMFDPGHFLDKSGNFK
KSDYFMPFSAGKRMCMGEGLARMELFLFLTTILQNFNLKSQVDPKDIDITPIANAFGRVP
PLYQLCFIPV
Number of residues490
Molecular Weight55710.075
Theoretical pI7.22
GO Classification
Functions
  • aromatase activity
  • arachidonic acid epoxygenase activity
  • steroid hydroxylase activity
  • iron ion binding
  • heme binding
  • monooxygenase activity
  • oxygen binding
  • oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen
Processes
  • xenobiotic metabolic process
  • epoxygenase P450 pathway
  • exogenous drug catabolic process
  • small molecule metabolic process
  • oxidation-reduction process
Components
  • cytoplasm
  • endoplasmic reticulum membrane
  • intracellular membrane-bounded organelle
General FunctionSteroid hydroxylase activity
Specific FunctionCytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein IDNot Available
UniProtKB IDP33260
UniProtKB Entry NameCP2CI_HUMAN
Cellular LocationEndoplasmic reticulum membrane
Gene sequence
>lcl|BSEQ0012511|Cytochrome P450 2C18 (CYP2C18)
ATGGATCCAGCTGTGGCTCTGGTGCTCTGTCTCTCCTGTTTGTTTCTCCTTTCACTCTGG
AGGCAGAGCTCTGGAAGAGGGAGGCTCCCGTCTGGCCCCACTCCTCTCCCGATTATTGGA
AATATCCTGCAGTTAGATGTTAAGGACATGAGCAAATCCTTAACCAATTTCTCAAAAGTC
TATGGCCCTGTGTTCACTGTGTATTTTGGCCTGAAGCCCATTGTGGTGTTGCATGGATAT
GAAGCAGTGAAGGAGGCCCTGATTGATCATGGAGAGGAGTTTTCTGGAAGAGGAAGTTTT
CCAGTGGCTGAAAAAGTTAACAAAGGACTTGGAATCCTTTTCAGCAATGGAAAGAGATGG
AAGGAGATCCGGCGTTTCTGCCTCATGACTCTGCGGAATTTTGGGATGGGGAAGAGGAGC
ATCGAGGACCGTGTTCAAGAGGAAGCCCGCTGCCTTGTGGAGGAGTTGAGAAAAACCAAT
GCCTCACCCTGTGATCCCACTTTCATCCTGGGCTGTGCTCCCTGCAATGTGATCTGCTCT
GTTATTTTCCATGATCGATTTGATTATAAAGATCAGAGGTTTCTTAACTTGATGGAAAAA
TTCAATGAAAACCTCAGGATTCTGAGCTCTCCATGGATCCAGGTCTGCAATAATTTCCCT
GCTCTCATCGATTATCTCCCAGGAAGTCATAATAAAATAGCTGAAAATTTTGCTTACATT
AAAAGTTATGTATTGGAGAGAATAAAAGAACATCAAGAATCCCTGGACATGAACAGTGCT
CGGGACTTTATTGATTGTTTCCTGATCAAAATGGAACAGGAAAAGCACAATCAACAGTCT
GAATTTACTGTTGAAAGCTTGATAGCCACTGTAACTGATATGTTTGGGGCTGGAACAGAG
ACAACGAGCACCACTCTGAGATATGGACTCCTGCTCCTGCTGAAGTACCCAGAGGTCACA
GCTAAAGTCCAGGAAGAGATTGAATGTGTAGTTGGCAGAAACCGGAGCCCCTGTATGCAG
GACAGGAGTCACATGCCCTACACAGATGCTGTGGTGCACGAGATCCAGAGATACATTGAC
CTCCTCCCCACCAACCTGCCCCATGCAGTGACCTGTGATGTTAAATTCAAAAACTACCTC
ATCCCCAAGGGCACGACCATAATAACATCCCTGACTTCTGTGCTGCACAATGACAAAGAA
TTCCCCAACCCAGAGATGTTTGACCCTGGCCACTTTCTGGATAAGAGTGGCAACTTTAAG
AAAAGTGACTACTTCATGCCTTTCTCAGCAGGAAAACGGATGTGTATGGGAGAGGGCCTG
GCCCGCATGGAGCTGTTTTTATTCCTGACCACCATTTTGCAGAACTTTAACCTGAAATCT
CAGGTTGACCCAAAGGATATTGACATCACCCCCATTGCCAATGCATTTGGTCGTGTGCCA
CCCTTGTACCAGCTCTGCTTCATTCCTGTCTGA
GenBank Gene IDM61853
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:2620
Chromosome Location10
Locus10q24
References
  1. Romkes M, Faletto MB, Blaisdell JA, Raucy JL, Goldstein JA: Cloning and expression of complementary DNAs for multiple members of the human cytochrome P450IIC subfamily. Biochemistry. 1991 Apr 2;30(13):3247-55. 2009263
  2. Romkes M, Faletto MB, Blaisdell JA, Raucy JL, Goldstein JA: Cloning and expression of complementary DNAs for multiple members of the human cytochrome PH50IIC subfamily. Biochemistry. 1993 Feb 9;32(5):1390. 8095407
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