General Information of Drug-Metabolizing Enzyme (DME ID: DME0013)
DME Name Cytochrome P450 2E1 (CYP2E1), Homo sapiens DME Info
UniProt ID
CP2E1_HUMAN
EC Number    EC: 1.14.14.1     (Click to Show/Hide the Complete EC Tree)
Oxidoreductase
Oxygen paired donor oxidoreductase
Flavin/flavoprotein donor oxidoreductase
EC: 1.14.14.1
Lineage    Species: Homo sapiens     (Click to Show/Hide the Complete Species Lineage)
Kingdom: Metazoa
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Species: Homo sapiens
Interactome
Disease Specific Interactions between Host Protein and DME (HOSPPI)
      ICD Disease Classification Healthy
               ICD-11: Healthy Click to Show/Hide the Full List of HOSPPI:        7 HOSPPI
                     Oligomerization
                            Cytochrome b5 (CYB5A) Health Heterooligomer
Uniprot ID
CYB5_HUMAN
Interaction Name CYB5A-CYP2E1 heterooligomerization [1], [2]
Studied Cell Lines Escherichia coli cell line
Affected Substrate(s): Chlorzoxazone (Metabolic product: Chlorzoxazone 6-hydroxylation)
Activity Vmax = 9.0 nmol/min/nmol P450
Description Cytochrome b5 (CYB5A) is reported to heterooligomerize with the CYP2E1 protein, which leads to an increased activity of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between CYB5A and CYP2E1 can facilitate the drug-metabolizing process of Cytochrome P450 2E1.
                            Cytochrome P450 2A6 (CYP2A6) Health Heterooligomer
Uniprot ID
CP2A6_HUMAN
Interaction Name CYP2E1, POR and CYP2A6 heterooligomerization [3]
Studied Cell Lines Baculovirus expression system
Affected Substrate(s): Coumarin
N-nitrosodimethylamine
Description Cytochrome P450 2A6 (CYP2A6) and NADPH-CYP450 reductase (POR) are reported to heterooligomerize with the CYP2E1 protein, which leads to a decreased activity of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction among CYP2A6, POR and CYP2E1 can decrease the drug-metabolizing process of Cytochrome P450 2E1.
                            Cytochrome P450 2A6 (CYP2A6) Health Heterooligomer
Uniprot ID
CP2A6_HUMAN
Interaction Name CYP2A6-CYP2E1 heterooligomerization [4]
Studied Cell Lines Living cells
Description Cytochrome P450 2A6 (CYP2A6) is reported to heterooligomerize with the CYP2E1 protein, which leads to a suppressed activity of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between CYP2A6 and CYP2E1 can inhibit the drug-metabolizing process of Cytochrome P450 2E1.
                            Cytochrome P450 2D6 (CYP2D6) Health Heterooligomer
Uniprot ID
CP2D6_HUMAN
Interaction Name CYP2D6-CYP2E1 heterooligomerization [5]
Studied Cell Lines Insect cell microsomes
Affected Substrate(s): 7-Methoxy-4-(trifluoromethyl) coumarin (Metabolic product: 7-MFC O-demethylation)
Description Cytochrome P450 2D6 (CYP2D6) is reported to heterooligomerize with the CYP2E1 protein, which leads to a decreased activity of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between CYP2D6 and CYP2E1 can decrease the drug-metabolizing process of Cytochrome P450 2E1.
                            Cytochrome P450 3A4 (CYP3A4) Health Heterooligomer
Uniprot ID
CP3A4_HUMAN
Interaction Name CYP3A4-CYP2E1 heterooligomerization [6]
Studied Cell Lines Insect cell microsomes
Affected Substrate(s): 7-Methoxy-4-(trifluoromethyl) coumarin (Metabolic product: 7-MFC O-demethylation)
Description Cytochrome P450 3A4 (CYP3A4) is reported to heterooligomerize with the CYP2E1 protein, which leads to activation of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between CYP3A4 and CYP2E1 can activate the drug-metabolizing process of Cytochrome P450 2E1.
                            Cytochrome P450 3A5 (CYP3A5) Health Heterooligomer
Uniprot ID
CP3A5_HUMAN
Interaction Name CYP3A5-CYP2E1 heterooligomerization [6]
Studied Cell Lines Insect cell microsomes
Affected Substrate(s): 7-Methoxy-4-(trifluoromethyl) coumarin (Metabolic product: 7-MFC O-demethylation)
Description Cytochrome P450 3A5 (CYP3A5) is reported to heterooligomerize with the CYP2E1 protein, which leads to activation of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between CYP3A5 and CYP2E1 can activate the drug-metabolizing process of Cytochrome P450 2E1.
                            NADPH-CYP450 reductase (POR) Health Heterodimer
Uniprot ID
NCPR_HUMAN
Interaction Name POR-CYP2E1 heterodimerization [3], [7]
Studied Cell Lines Baculovirus expression system
Affected Substrate(s): N-nitrosodimethylamine
Description NADPH-CYP450 reductase (POR) is reported to heterodimerize with the CYP2E1 protein, which leads to an altered activity of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between POR and CYP2E1 can modulate the drug-metabolizing process of Cytochrome P450 2E1.
      ICD Disease Classification 02 Neoplasms
               ICD-11: 2A00 Brain cancer Click to Show/Hide the Full List of HOSPPI:        8 HOSPPI
                     DNA methylation
                            DNA methyltransferase (DNMT) Medulloblastoma Moderate hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Moderate hypomethylation
p-value: 1.75E-60; delta-beta: -2.61E-01
Description DNA methyltransferase (DNMT) is reported to moderatly hypo-methylate the CYP2E1 gene, which leads to a moderatly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can moderatly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
                            DNA methyltransferase (DNMT) Brain neuroblastoma Significant hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Significant hypomethylation
p-value: 1.50E-07; delta-beta: -3.34E-01
Description DNA methyltransferase (DNMT) is reported to significantly hypo-methylate the CYP2E1 gene, which leads to a significantly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can significantly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
                            DNA methyltransferase (DNMT) Central neurocytoma Moderate hypermethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Moderate hypermethylation
p-value: 2.84E-02; delta-beta: 2.54E-01
Description DNA methyltransferase (DNMT) is reported to moderatly hyper-methylate the CYP2E1 gene, which leads to a moderatly decreased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can moderatly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
                            DNA methyltransferase (DNMT) Multilayered rosettes embryonal tumour Significant hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Significant hypomethylation
p-value: 8.50E-21; delta-beta: -6.09E-01
Description DNA methyltransferase (DNMT) is reported to significantly hypo-methylate the CYP2E1 gene, which leads to a significantly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can significantly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
                            DNA methyltransferase (DNMT) Cerebellar liponeurocytoma Significant hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Significant hypomethylation
p-value: 2.33E-04; delta-beta: -5.23E-01
Description DNA methyltransferase (DNMT) is reported to significantly hypo-methylate the CYP2E1 gene, which leads to a significantly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can significantly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
                            DNA methyltransferase (DNMT) Diffuse midline glioma Moderate hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Moderate hypomethylation
p-value: 8.44E-13; delta-beta: -2.18E-01
Description DNA methyltransferase (DNMT) is reported to moderatly hypo-methylate the CYP2E1 gene, which leads to a moderatly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can moderatly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
                            DNA methyltransferase (DNMT) Third ventricle chordoid glioma Significant hypermethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Significant hypermethylation
p-value: 6.00E-03; delta-beta: 4.15E-01
Description DNA methyltransferase (DNMT) is reported to significantly hyper-methylate the CYP2E1 gene, which leads to a significantly decreased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can significantly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
                            DNA methyltransferase (DNMT) Oligodendroglioma Moderate hypermethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Moderate hypermethylation
p-value: 7.72E-14; delta-beta: 2.12E-01
Description DNA methyltransferase (DNMT) is reported to moderatly hyper-methylate the CYP2E1 gene, which leads to a moderatly decreased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can moderatly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
               ICD-11: 2B5F Uterine carcinosarcoma Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     DNA methylation
                            DNA methyltransferase (DNMT) Uterine carcinosarcoma Significant hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Significant hypomethylation
p-value: 5.11E-04; delta-beta: -3.36E-01
Description DNA methyltransferase (DNMT) is reported to significantly hypo-methylate the CYP2E1 gene, which leads to a significantly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can significantly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
               ICD-11: 2B60 Squamous cell carcinoma Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     DNA methylation
                            DNA methyltransferase (DNMT) Squamous cell carcinoma Moderate hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Moderate hypomethylation
p-value: 4.98E-04; delta-beta: -2.65E-01
Description DNA methyltransferase (DNMT) is reported to moderatly hypo-methylate the CYP2E1 gene, which leads to a moderatly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can moderatly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue adjacent to the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
               ICD-11: 2C12 Liver cancer Click to Show/Hide the Full List of HOSPPI:        5 HOSPPI
                     Oligomerization
                            Progesterone receptor 1 (PGRMC1) Liver cancer Heterooligomer
Uniprot ID
PGRC1_HUMAN
Interaction Name PGRMC1-CYP2E1 heterooligomerization [10]
Studied Cell Lines Human liver cancer cell line (HepG2)
Affected Substrate(s): Chlorzoxazone (Metabolic product: Chlorzoxazone 6-hydroxylase)
7-ethoxycoumarin (Metabolic product: 7-ethoxycoumarin O-deethylase)
Description Progesterone receptor 1 (PGRMC1) is reported to heterooligomerize with the CYP2E1 protein, which leads to a slight effect on the enzyme activity of Cytochrome P450 2E1. As a result, the interaction between PGRMC1 and CYP2E1 can slightly affect the drug-metabolizing process of Cytochrome P450 2E1.
                     Transcription-factor regulation
                            NF of activated T-cell 1 (NFATC1) Liver cancer Activation
Uniprot ID
NFAC1_HUMAN
Interaction Name NFATC1-CYP2E1 interaction [9]
Studied Cell Lines B16A2 cell line
Ensembl ID
ENSG00000131196
Description NF of activated T-cell 1 (NFATC1) is reported to activate the transcription of CYP2E1 gene, which leads to an increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between NFATC1 and CYP2E1 can activate the drug-metabolizing process of Cytochrome P450 2E1.
                            STAT 6 (STAT6) Liver cancer Activation
Uniprot ID
STAT6_HUMAN
Interaction Name STAT6-CYP2E1 interaction [9]
Studied Cell Lines B16A2 cell line
Ensembl ID
ENSG00000166888
Description STAT 6 (STAT6) is reported to activate the transcription of CYP2E1 gene, which leads to an increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between STAT6 and CYP2E1 can activate the drug-metabolizing process of Cytochrome P450 2E1.
                     Histone modification
                            Histone acetyltransferases (HATs) Liver cancer Activation
Uniprot ID
HAT1_HUMAN
Interaction Name HATs-CYP2E1 interaction [8]
Studied Cell Lines HepG2 cell line
Description Histone acetyltransferases (HATs) are reported to acetylate the CYP2E1 gene and thereby activate the transcriptional activity of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between HATs and CYP2E1 can enhance the drug-metabolizing process of Cytochrome P450 2E1.
                     DNA methylation
                            DNA methyltransferase (DNMT) Liver cancer Moderate hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Adjacent Tissue Moderate hypomethylation
p-value: 2.85E-07; delta-beta: -2.02E-01
Description DNA methyltransferase (DNMT) is reported to moderatly hypo-methylate the CYP2E1 gene, which leads to a moderatly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can moderatly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue adjacent to the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
DME methylation in tissue other than the diseased tissue of patients
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
               ICD-11: 2C30 Melanoma Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     DNA methylation
                            DNA methyltransferase (DNMT) Melanoma Significant hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Significant hypomethylation
p-value: 1.64E-03; delta-beta: -3.28E-01
Description DNA methyltransferase (DNMT) is reported to significantly hypo-methylate the CYP2E1 gene, which leads to a significantly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can significantly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
               ICD-11: 2C90 Renal cell carcinoma Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     DNA methylation
                            DNA methyltransferase (DNMT) Renal cell carcinoma Significant hypermethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Other Disease Section Significant hypermethylation
p-value: 1.55E-02; delta-beta: 1.76E-01
Description DNA methyltransferase (DNMT) is reported to significantly hyper-methylate the CYP2E1 gene, which leads to a significantly decreased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can significantly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
DME methylation in tissue other than the diseased tissue of patients
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
      ICD Disease Classification 05 Endocrine/nutritional/metabolic diseases
               ICD-11: 5A61 Pituitary gland hypofunction Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     DNA methylation
                            DNA methyltransferase (DNMT) Chordoma Moderate hypermethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Moderate hypermethylation
p-value: 1.11E-02; delta-beta: 2.23E-01
Description DNA methyltransferase (DNMT) is reported to moderatly hyper-methylate the CYP2E1 gene, which leads to a moderatly decreased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can moderatly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
               ICD-11: 5B81 Obesity Click to Show/Hide the Full List of HOSPPI:        1 HOSPPI
                     DNA methylation
                            DNA methyltransferase (DNMT) Obesity Moderate hypomethylation
Interaction Name DNMT-CYP2E1 interaction
The Methylation Level of Disease Section Compare with the Healthy Individual Tissue Moderate hypomethylation
p-value: 1.72E-09; delta-beta: -2.35E-01
Description DNA methyltransferase (DNMT) is reported to moderatly hypo-methylate the CYP2E1 gene, which leads to a moderatly increased expression of the drug-metabolizing enzyme Cytochrome P450 2E1. As a result, the interaction between DNMT and CYP2E1 can moderatly affect the drug-metabolizing process of Cytochrome P450 2E1.
DME methylation in the diseased tissue of patients
DME methylation in the normal tissue of healthy individuals
Violin Diagram of DME Disease-specific Methylation Level Click to View the Clearer Original Diagram
References
1 Reconstitution of recombinant cytochrome P450 2C10(2C9) and comparison with cytochrome P450 3A4 and other forms: effects of cytochrome P450-P450 and cytochrome P450-b5 interactions. Arch Biochem Biophys. 1997 Jun 15;342(2):329-37.
2 Structural and functional effects of cytochrome b5 interactions with human cytochrome P450 enzymes. J Biol Chem. 2017 Dec 22;292(51):20818-20833.
3 Competitive interactions between cytochromes P450 2A6 and 2E1 for NADPH-cytochrome P450 oxidoreductase in the microsomal membranes produced by a baculovirus expression system. Arch Biochem Biophys. 1997 Jun 1;342(1):82-91.
4 Microsomal monooxygenase as a multienzyme system: the role of P450-P450 interactions. Expert Opin Drug Metab Toxicol. 2011 May;7(5):543-58.
5 Toward a systems approach to the human cytochrome P450 ensemble: interactions between CYP2D6 and CYP2E1 and their functional consequences. Biochem J. 2017 Oct 10;474(20):3523-3542.
6 Interactions among cytochromes P450 in microsomal membranes: oligomerization of cytochromes P450 3A4, 3A5, and 2E1 and its functional consequences. J Biol Chem. 2015 Feb 6;290(6):3850-64.
7 Fluorescence resonance energy transfer analysis of cytochromes P450 2C2 and 2E1 molecular interactions in living cells. J Biol Chem. 2003 Aug 15;278(33):31269-76.
8 Histone acetylation and arachidonic acid cytotoxicity in HepG2 cells overexpressing CYP2E1. Naunyn Schmiedebergs Arch Pharmacol. 2014 Mar;387(3):271-80.
9 IL-4-mediated transcriptional regulation of human CYP2E1 by two independent signaling pathways. Biochem Pharmacol. 2010 Nov 15;80(10):1592-600.
10 Progesterone receptor membrane component 1 modulates human cytochrome p450 activities in an isoform-dependent manner. Drug Metab Dispos. 2011 Nov;39(11):2057-65.

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