NameCytochrome P450 2J2
Synonyms
  • 1.14.14.1
  • Arachidonic acid epoxygenase
  • CYPIIJ2
Gene NameCYP2J2
OrganismHuman
Amino acid sequence
>lcl|BSEQ0012561|Cytochrome P450 2J2
MLAAMGSLAAALWAVVHPRTLLLGTVAFLLAADFLKRRRPKNYPPGPWRLPFLGNFFLVD
FEQSHLEVQLFVKKYGNLFSLELGDISAVLITGLPLIKEALIHMDQNFGNRPVTPMREHI
FKKNGLIMSSGQAWKEQRRFTLTALRNFGLGKKSLEERIQEEAQHLTEAIKEENGQPFDP
HFKINNAVSNIICSITFGERFEYQDSWFQQLLKLLDEVTYLEASKTCQLYNVFPWIMKFL
PGPHQTLFSNWKKLKLFVSHMIDKHRKDWNPAETRDFIDAYLKEMSKHTGNPTSSFHEEN
LICSTLDLFFAGTETTSTTLRWALLYMALYPEIQEKVQAEIDRVIGQGQQPSTAARESMP
YTNAVIHEVQRMGNIIPLNVPREVTVDTTLAGYHLPKGTMILTNLTALHRDPTEWATPDT
FNPDHFLENGQFKKREAFMPFSIGKRACLGEQLARTELFIFFTSLMQKFTFRPPNNEKLS
LKFRMGITISPVSHRLCAVPQV
Number of residues502
Molecular Weight57610.165
Theoretical pI8.87
GO Classification
Functions
  • iron ion binding
  • heme binding
  • aromatase activity
  • arachidonic acid epoxygenase activity
  • oxygen binding
  • steroid hydroxylase activity
  • arachidonic acid 11,12-epoxygenase activity
  • 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
  • arachidonic acid 14,15-epoxygenase activity
  • linoleic acid epoxygenase activity
Processes
  • oxidation-reduction process
  • xenobiotic metabolic process
  • arachidonic acid metabolic process
  • regulation of heart contraction
  • icosanoid metabolic process
  • linoleic acid metabolic process
  • epoxygenase P450 pathway
  • exogenous drug catabolic process
  • small molecule metabolic process
Components
  • intracellular membrane-bounded organelle
  • cytoplasm
  • endoplasmic reticulum membrane
  • extracellular exosome
General FunctionSteroid hydroxylase activity
Specific FunctionThis enzyme metabolizes arachidonic acid predominantly via a NADPH-dependent olefin epoxidation to all four regioisomeric cis-epoxyeicosatrienoic acids. One of the predominant enzymes responsible for the epoxidation of endogenous cardiac arachidonic acid pools.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID18254513
UniProtKB IDP51589
UniProtKB Entry NameCP2J2_HUMAN
Cellular LocationEndoplasmic reticulum membrane
Gene sequence
>lcl|BSEQ0012562|Cytochrome P450 2J2 (CYP2J2)
ATGCTCGCGGCGATGGGCTCTCTGGCGGCTGCCCTCTGGGCAGTGGTCCATCCTCGGACT
CTCCTACTGGGCACTGTCGCCTTTCTGCTCGCTGCTGACTTTCTCAAAAGACGGCGCCCA
AAGAACTACCCGCCGGGGCCCTGGCGCCTGCCCTTCCTTGGCAACTTCTTCCTTGTGGAC
TTCGAGCAGTCGCACCTGGAGGTTCAGCTGTTTGTGAAGAAATATGGGAACCTTTTTAGC
TTGGAGCTTGGTGACATATCTGCAGTTCTTATTACTGGCTTGCCCTTAATCAAAGAAGCC
CTTATCCACATGGACCAAAACTTTGGGAACCGCCCCGTGACCCCTATGCGAGAACATATC
TTTAAGAAAAATGGATTGATTATGTCAAGTGGCCAGGCATGGAAGGAGCAAAGAAGGTTC
ACTCTGACAGCACTAAGGAACTTTGGTTTAGGAAAGAAGAGCTTAGAGGAACGCATTCAG
GAGGAGGCCCAACACCTCACTGAAGCAATAAAAGAGGAGAACGGACAGCCTTTTGACCCT
CATTTCAAGATCAACAATGCAGTTTCCAATATCATTTGCTCCATCACCTTCGGAGAACGC
TTTGAGTACCAGGATAGTTGGTTTCAGCAGCTGCTGAAGTTACTAGATGAAGTCACATAC
TTGGAGGCTTCAAAGACATGCCAGCTCTACAATGTCTTTCCATGGATAATGAAATTCCTG
CCTGGACCCCACCAAACTCTCTTCAGCAACTGGAAAAAACTGAAATTGTTTGTTTCTCAT
ATGATTGACAAACACAGAAAGGATTGGAATCCTGCAGAAACAAGAGACTTTATTGATGCT
TACCTTAAAGAAATGTCAAAGCACACAGGCAATCCTACTTCAAGTTTCCATGAAGAAAAC
CTCATCTGCAGCACCCTGGACCTCTTCTTTGCCGGAACCGAGACAACTTCCACAACTCTG
CGATGGGCTCTGCTTTATATGGCCCTCTACCCAGAAATCCAAGAAAAAGTACAAGCTGAG
ATTGACAGAGTGATTGGCCAGGGGCAGCAGCCGAGCACAGCCGCCCGGGAGTCCATGCCC
TACACCAATGCTGTCATCCATGAGGTGCAGAGAATGGGCAACATCATCCCCCTGAACGTT
CCCAGGGAAGTGACAGTTGATACCACTTTGGCTGGGTACCACCTGCCCAAGGGTACCATG
ATCCTGACCAATTTGACGGCGCTGCACAGGGACCCCACAGAGTGGGCCACCCCTGACACA
TTCAATCCGGACCATTTTCTGGAGAATGGACAGTTTAAGAAAAGGGAAGCCTTTATGCCT
TTCTCAATAGGAAAGCGGGCATGCCTCGGAGAACAGTTGGCCAGGACTGAGCTGTTTATT
TTCTTCACTTCCCTTATGCAAAAATTTACCTTCAGGCCCCCAAACAATGAGAAGCTGAGC
CTGAAGTTTAGAATGGGTATCACCATTTCCCCAGTCAGTCACCGCCTCTGCGCTGTTCCT
CAGGTGTAA
GenBank Gene IDU37143
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:2634
Chromosome Location1
Locus1p31.3-p31.2
References
  1. Wu S, Moomaw CR, Tomer KB, Falck JR, Zeldin DC: Molecular cloning and expression of CYP2J2, a human cytochrome P450 arachidonic acid epoxygenase highly expressed in heart. J Biol Chem. 1996 Feb 16;271(7):3460-8. 8631948
  2. Matsumoto S, Hirama T, Matsubara T, Nagata K, Yamazoe Y: Involvement of CYP2J2 on the intestinal first-pass metabolism of antihistamine drug, astemizole. Drug Metab Dispos. 2002 Nov;30(11):1240-5. 12386130
  3. King LM, Ma J, Srettabunjong S, Graves J, Bradbury JA, Li L, Spiecker M, Liao JK, Mohrenweiser H, Zeldin DC: Cloning of CYP2J2 gene and identification of functional polymorphisms. Mol Pharmacol. 2002 Apr;61(4):840-52. 11901223
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