NameCytochrome P450 2E1
Synonyms
  • 1.14.13.-
  • 4-nitrophenol 2-hydroxylase
  • CYP2E
  • CYPIIE1
  • Cytochrome P450-J
Gene NameCYP2E1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0012460|Cytochrome P450 2E1
MSALGVTVALLVWAAFLLLVSMWRQVHSSWNLPPGPFPLPIIGNLFQLELKNIPKSFTRL
AQRFGPVFTLYVGSQRMVVMHGYKAVKEALLDYKDEFSGRGDLPAFHAHRDRGIIFNNGP
TWKDIRRFSLTTLRNYGMGKQGNESRIQREAHFLLEALRKTQGQPFDPTFLIGCAPCNVI
ADILFRKHFDYNDEKFLRLMYLFNENFHLLSTPWLQLYNNFPSFLHYLPGSHRKVIKNVA
EVKEYVSERVKEHHQSLDPNCPRDLTDCLLVEMEKEKHSAERLYTMDGITVTVADLFFAG
TETTSTTLRYGLLILMKYPEIEEKLHEEIDRVIGPSRIPAIKDRQEMPYMDAVVHEIQRF
ITLVPSNLPHEATRDTIFRGYLIPKGTVVVPTLDSVLYDNQEFPDPEKFKPEHFLNENGK
FKYSDYFKPFSTGKRVCAGEGLARMELFLLLCAILQHFNLKPLVDPKDIDLSPIHIGFGC
IPPRYKLCVIPRS
Number of residues493
Molecular Weight56848.42
Theoretical pI8.22
GO Classification
Functions
  • oxygen binding
  • oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen
  • 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
  • enzyme binding
  • arachidonic acid epoxygenase activity
  • steroid hydroxylase activity
  • oxidoreductase activity
  • iron ion binding
  • heme binding
  • monooxygenase activity
Processes
  • response to ozone
  • heterocycle metabolic process
  • monoterpenoid metabolic process
  • small molecule metabolic process
  • oxidation-reduction process
  • steroid metabolic process
  • xenobiotic metabolic process
  • drug metabolic process
  • response to ethanol
  • response to organonitrogen compound
  • triglyceride metabolic process
  • epoxygenase P450 pathway
  • exogenous drug catabolic process
Components
  • endoplasmic reticulum membrane
  • intrinsic component of endoplasmic reticulum membrane
  • intracellular membrane-bounded organelle
  • Golgi membrane
  • cytoplasm
  • mitochondrion
General FunctionSteroid hydroxylase activity
Specific FunctionMetabolizes several precarcinogens, drugs, and solvents to reactive metabolites. Inactivates a number of drugs and xenobiotics and also bioactivates many xenobiotic substrates to their hepatotoxic or carcinogenic forms.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID181360
UniProtKB IDP05181
UniProtKB Entry NameCP2E1_HUMAN
Cellular LocationEndoplasmic reticulum membrane
Gene sequence
>lcl|BSEQ0012461|Cytochrome P450 2E1 (CYP2E1)
ATGTCTGCCCTCGGAGTCACCGTGGCCCTGCTGGTGTGGGCGGCCTTCCTCCTGCTGGTG
TCCATGTGGAGGCAGGTGCACAGCAGCTGGAATCTGCCCCCAGGCCCTTTCCCGCTTCCC
ATCATCGGGAACCTCTTCCAGTTGGAATTGAAGAATATTCCCAAGTCCTTCACCCGGTTG
GCCCAGCGCTTCGGGCCGGTGTTCACGCTGTACGTGGGCTCGCAGCGCATGGTGGTGATG
CACGGCTACAAGGCGGTGAAGGAAGCGCTGCTGGACTACAAGGACGAGTTCTCGGGCAGA
GGCGACCTCCCCGCGTTCCATGCGCACAGGGACAGGGGAATCATTTTTAATAATGGACCT
ACCTGGAAGGACATCCGGCGGTTTTCCCTGACCACCCTCCGGAACTATGGGATGGGGAAA
CAGGGCAATGAGAGCCGGATCCAGAGGGAGGCCCACTTCCTGCTGGAAGCACTCAGGAAG
ACCCAAGGCCAGCCTTTCGACCCCACCTTCCTCATCGGCTGCGCGCCCTGCAACGTCATA
GCCGACATCCTCTTCCGCAAGCATTTTGACTACAATGATGAGAAGTTTCTAAGGCTGATG
TATTTGTTTAATGAGAACTTCCACCTACTCAGCACTCCCTGGCTCCAGCTTTACAATAAT
TTTCCCAGCTTTCTACACTACTTGCCTGGAAGCCACAGAAAAGTCATAAAAAATGTGGCT
GAAGTAAAAGAGTATGTGTCTGAAAGGGTGAAGGAGCACCATCAATCTCTGGACCCCAAC
TGTCCCCGGGACCTCACCGACTGCCTGCTCGTGGAAATGGAGAAGGAAAAGCACAGTGCA
GAGCGCTTGTACACAATGGACGGTATCACCGTGACTGTGGCCGACCTGTTCTTTGCGGGG
ACAGAGACCACCAGCACAACTCTGAGATATGGGCTCCTGATTCTCATGAAATACCCTGAG
ATCGAAGAGAAGCTCCATGAAGAAATTGACAGGGTGATTGGGCCAAGCCGAATCCCTGCC
ATCAAGGATAGGCAAGAGATGCCCTACATGGATGCTGTGGTGCATGAGATTCAGCGGTTC
ATCACCCTCGTGCCCTCCAACCTGCCCCATGAAGCAACCCGAGACACCATTTTCAGAGGA
TACCTCATCCCCAAGGGCACAGTCGTAGTGCCAACTCTGGACTCTGTTTTGTATGACAAC
CAAGAATTTCCTGATCCAGAAAAGTTTAAGCCAGAACACTTCCTGAATGAAAATGGAAAG
TTCAAGTACAGTGACTATTTCAAGCCATTTTCCACAGGAAAACGAGTGTGTGCTGGAGAA
GGCCTGGCTCGCATGGAGTTGTTTCTTTTGTTGTGTGCCATTTTGCAGCATTTTAATTTG
AAGCCTCTCGTTGACCCAAAGGATATCGACCTCAGCCCTATACATATTGGGTTTGGCTGT
ATCCCACCACGTTACAAACTCTGTGTCATTCCCCGCTCATGA
GenBank Gene IDJ02625
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:2631
Chromosome Location10
Locus10q24.3-qter
References
  1. Song BJ, Gelboin HV, Park SS, Yang CS, Gonzalez FJ: Complementary DNA and protein sequences of ethanol-inducible rat and human cytochrome P-450s. Transcriptional and post-transcriptional regulation of the rat enzyme. J Biol Chem. 1986 Dec 15;261(35):16689-97. 3782137
  2. Umeno M, McBride OW, Yang CS, Gelboin HV, Gonzalez FJ: Human ethanol-inducible P450IIE1: complete gene sequence, promoter characterization, chromosome mapping, and cDNA-directed expression. Biochemistry. 1988 Dec 13;27(25):9006-13. 3233219
  3. Deloukas P, Earthrowl ME, Grafham DV, Rubenfield M, French L, Steward CA, Sims SK, Jones MC, Searle S, Scott C, Howe K, Hunt SE, Andrews TD, Gilbert JG, Swarbreck D, Ashurst JL, Taylor A, Battles J, Bird CP, Ainscough R, Almeida JP, Ashwell RI, Ambrose KD, Babbage AK, Bagguley CL, Bailey J, Banerjee R, Bates K, Beasley H, Bray-Allen S, Brown AJ, Brown JY, Burford DC, Burrill W, Burton J, Cahill P, Camire D, Carter NP, Chapman JC, Clark SY, Clarke G, Clee CM, Clegg S, Corby N, Coulson A, Dhami P, Dutta I, Dunn M, Faulkner L, Frankish A, Frankland JA, Garner P, Garnett J, Gribble S, Griffiths C, Grocock R, Gustafson E, Hammond S, Harley JL, Hart E, Heath PD, Ho TP, Hopkins B, Horne J, Howden PJ, Huckle E, Hynds C, Johnson C, Johnson D, Kana A, Kay M, Kimberley AM, Kershaw JK, Kokkinaki M, Laird GK, Lawlor S, Lee HM, Leongamornlert DA, Laird G, Lloyd C, Lloyd DM, Loveland J, Lovell J, McLaren S, McLay KE, McMurray A, Mashreghi-Mohammadi M, Matthews L, Milne S, Nickerson T, Nguyen M, Overton-Larty E, Palmer SA, Pearce AV, Peck AI, Pelan S, Phillimore B, Porter K, Rice CM, Rogosin A, Ross MT, Sarafidou T, Sehra HK, Shownkeen R, Skuce CD, Smith M, Standring L, Sycamore N, Tester J, Thorpe A, Torcasso W, Tracey A, Tromans A, Tsolas J, Wall M, Walsh J, Wang H, Weinstock K, West AP, Willey DL, Whitehead SL, Wilming L, Wray PW, Young L, Chen Y, Lovering RC, Moschonas NK, Siebert R, Fechtel K, Bentley D, Durbin R, Hubbard T, Doucette-Stamm L, Beck S, Smith DR, Rogers J: The DNA sequence and comparative analysis of human chromosome 10. Nature. 2004 May 27;429(6990):375-81. 15164054
  4. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. 15489334
  5. Lasker JM, Raucy J, Kubota S, Bloswick BP, Black M, Lieber CS: Purification and characterization of human liver cytochrome P-450-ALC. Biochem Biophys Res Commun. 1987 Oct 14;148(1):232-8. 3675576
  6. Robinson RC, Shorr RG, Varrichio A, Park SS, Gelboin HV, Miller H, Friedman FK: Human liver cytochrome P-450 related to a rat acetone-inducible, nitrosamine-metabolizing cytochrome P-450: identification and isolation. Pharmacology. 1989;39(3):137-44. 2587619
  7. Gillam EM, Guo Z, Guengerich FP: Expression of modified human cytochrome P450 2E1 in Escherichia coli, purification, and spectral and catalytic properties. Arch Biochem Biophys. 1994 Jul;312(1):59-66. 8031147
  8. Zerilli A, Ratanasavanh D, Lucas D, Goasduff T, Dreano Y, Menard C, Picart D, Berthou F: Both cytochromes P450 2E1 and 3A are involved in the O-hydroxylation of p-nitrophenol, a catalytic activity known to be specific for P450 2E1. Chem Res Toxicol. 1997 Oct;10(10):1205-12. 9348445
  9. Bian Y, Song C, Cheng K, Dong M, Wang F, Huang J, Sun D, Wang L, Ye M, Zou H: An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome. J Proteomics. 2014 Jan 16;96:253-62. doi: 10.1016/j.jprot.2013.11.014. Epub 2013 Nov 22. 24275569
  10. Porubsky PR, Meneely KM, Scott EE: Structures of human cytochrome P-450 2E1. Insights into the binding of inhibitors and both small molecular weight and fatty acid substrates. J Biol Chem. 2008 Nov 28;283(48):33698-707. doi: 10.1074/jbc.M805999200. Epub 2008 Sep 24. 18818195
  11. Hu Y, Oscarson M, Johansson I, Yue QY, Dahl ML, Tabone M, Arinco S, Albano E, Ingelman-Sundberg M: Genetic polymorphism of human CYP2E1: characterization of two variant alleles. Mol Pharmacol. 1997 Mar;51(3):370-6. 9058590
  12. Fairbrother KS, Grove J, de Waziers I, Steimel DT, Day CP, Crespi CL, Daly AK: Detection and characterization of novel polymorphisms in the CYP2E1 gene. Pharmacogenetics. 1998 Dec;8(6):543-52. 9918138
  13. Solus JF, Arietta BJ, Harris JR, Sexton DP, Steward JQ, McMunn C, Ihrie P, Mehall JM, Edwards TL, Dawson EP: Genetic variation in eleven phase I drug metabolism genes in an ethnically diverse population. Pharmacogenomics. 2004 Oct;5(7):895-931. 15469410