Review Article

Structure-Based Drug Design for Cytochrome P450 Family 1 Inhibitors

Table 1

The summary of studies on CYP1-ligand interactions.

Cytochrome P450LigandMethodsNotesReferences

CYP1A1 and other cytochromes
CYP1A1 and CYP1A2Aromatic amines, heterocyclic amines, aromatic hydrocarbons (benzo(a)pyrenemethylcholantrene), phenacetin, furafylline, and 7-methoxyresorufinHomology modeling based on the CYP102 crystal structureHuman, mouse, rabbit, and trout CYP sequences[22]
CYP1A17-Ethoxyresorufin, 7-methoxyresorufin, and benzo[a]pyreneHomology modeling[28]
CYP1A1, CYP1A2, and CYP1B1Rutaecarpine and its derivativesHomology modeling[29]
CYP1A1Arachidonic acid and eicosopentaenoic acidHomology modelingMolecular docking explains regiospecificity of metabolism[30]
CYP1A1 and CYP1A27-Methoxyresorufin and 7-ethoxyresorufinHomology modelingActive site mutations in human CYP1A1 and CYP1A2[31]
CYP1A1 and CYP1A2Dietary flavonoidsHomology modeling[32]
CYP1A1B[a]P, B[a]P-7R, 8R-dihydrodiol, B[a]P-7S, 8S-dihydrodiol, eicosapentaenoate, and arachidonateHomology modelingRegioselectivity[33]
CYP1A1EthoxyresorufinHomology modeling[34]
CYP1A1B[a]PWild-type and exon 6 del CYP1A1 homology models[35]
CYP1A1, CYP1A2, and CYP1B1Alkoxyl derivatives of 7,8-dehydrorutaecarpineHomology models based on the crystal structure of rabbit CYP2C5[36]
CYP1A1B[a]P, TCB, and TCDDRat, human, scup, and killifish homology models[37]
CYP1A1Representative ligands: α-naphthoflavone and benzothiazoleHomology modeling[38]
CYP1A1 and CYP1A2 (CYP2A6 and CYP2B1)ArylacetylenesCYP1A2 crystal structure (PDB: 2HI4) and homology model of CYP1A1Distances of ligands to heme, Fe, and Phe residues were analyzed[39]
CYP1A1Benzoxazoles and benzothiazolesCoMFA, homology modeling, and molecular docking[40]
CYP1A1, CYP1A2, and CYP1B1 (CYP2C9 and CYP3A4)33 flavonoid derivativesPDB: 2HI4 and homology models of CYP1A1 and CYP1B1Hydroxyl and methoxy derivatives of flavone more potent as CYP inhibitors[41]
CYP1A1, CYP1A2, and CYP1B1MethoxyflavonoidsPDB: 2HI4 and homology models of CYP1A1 and CYP1B1Important amino acid residues[42]
CYP1A1 and CYP2B1p-Aminophenol-succinic acid derivatives (acetylcholinesterase inhibitors)Homology modeling of rat CYPs based on structures of CYP1A2 and CYP3A4 and molecular dynamicsBiological experiments on rat microsomes induced with 5,6-benzoflavone and phenobarbital[43]
CYP1A1, CYP1A2, and CYP1B117-β-EstradiolPDB: 2HI4 and homology models of CYP1A1 and CYP1B1Important amino acid residues[44]
CYP1A13,3′,4,4′,5-PentachlorobiphenylHomology modelingRat and human recombinant microsomes[45]
CYP1A1 and CYP1B1Resveratrol and its derivativesHomology modeling based on CYP1A2 crystal structure[46]
CYP1A1 and CYP1B1Dietary flavonoidsHomology models based on the structure of CYP1A2 (PDB: 2HI4)[47]
CYP1A1 and CYP1A2 (CYP1A6 and CYP2B1)Flavone propargyl ethersCYP1A2 crystal structure (PDB: 2HI4) and homology model of CYP1A1Flavone propargyl ethers are more potent inhibitors of CYP1A1 and CYP1A2 than the parent hydroxy flavones[48]
CYP1A1 and CYP1A2Phenacetin and acetaminophenCYP1A2 crystal structure (PDB: 2HI4) and homology model of CYP1A1Isoform-selective metabolism[49]
CYP1A1 and CYP1B1Polycyclic aromatic hydrocarbonsHomology modeling[50]
CYP1A1SulforaphaneThe tertiary structure of CYP1A1 was generated with the combination methods of threading, ab initio modeling, and structural refinementSulforaphane failed to reduce the genotoxic effect of TCDD in yeast cells[51]
CYP1A1Pyrimidobenzothiazole (NSC745689)Homology modeling and molecular dynamics[52]
CYP1A1, CYP1A2, and CYP1B1 (CYP2A6 and CYP2B1)PyranoflavonesMolecular surface images generated from UCSF Chimera[53]
CYP1A1 and CYP1A2EthynylflavonesPDB: 4I8V and PDB: 2HI4Selective inhibitory activity toward CYP1A1[54]
CYP1A1Polychlorinated dibenzo-p-dioxins and coplanar polychlorinated biphenylsHomology modelingRat and human CYP1A1[55]
CYP1A1, CYP1A2, and CYP1B1PolymethoxystilbenesPDB: 4I8V, PDB: 2HI4, and PDB: 3PM0Potent and selective inhibitory activity of 2,3′,4′-trimethoxy-trans-stilbene[56]
CYP1A1, CYP1A2, and CYP1B130 drugs metabolized by CYPsPDB: 4I8V, PDB: 2HI4, and PDB: 3PM0MetaSite[57]
CYP1A1 and CYP1A222 aromatic hydrocarbons and 3 fluorogenic alkoxyaryl compoundsPDB: 4I8V and PDB: 2HI4CYP1A variants[58]
CYP1A1, CYP1A2, and CYP1B1AlkoxyresorufinsHomology modelingBaikal seal and human CYPs[59]
CYP1A1, CYP1A2, and CYP1B15F-203, 5-aminoflavone, 17-β-estradiol, melatonin, debrisoquine, theophylline, clozapine, and lidocainePDB: 4I8V, PDB: 2HI4, and PDB: 3PM0Differences in substrate specificity among CYPs[60]
CYP1A1Naringenin and dihydroxybergamottinRat homology model, human PDB: 4I8V, and molecular dynamics[61]
CYP1A1Compounds selected by virtual screening of databasesDatabase screening, Hypo1; metabolite prediction study, MetaSite software; molecular docking studies; and molecular dynamics simulationsAntiproliferative activity on MDA-MB-435 human cells and two lead compounds with antitumor activity against MDA-MB-435 line[62]
CYP1A1, CYP1A2, and CYP1B1Polymethoxy- and methylthio-trans-stilbene derivativesPDB: 4I8V, PDB: 2HI4, and PDB: 3PM0[63]

CYP1A2 and other cytochromes
CYP1A2Caffeine and MeIQHomology model based on CYP BM3 crystal structure[64]
CYP1A2 (CYP2D6 and CYP3A4)Selected substratesHomology modelingSubstrate selectivity studies[65]
CYP1A27-MethoxyresorufinHomology model based on the crystal structure of CYP2C5Hydrogen bonds and π-π stacking with Phe226[66]
CYP1A2 (CYP2A6, CYP2C9, CYP3A4, and CYP2E1)Caffeine, theophylline, acetanilide, phenacetin, 7-methoxycoumarin, 7-ethoxycoumarin, 3-cyano-7′-ethoxycoumarin, naproxen, tacrine, amitriptyline, clozapine, and 7-ethoxyresorufinPDB: 2HI4Regioselectivity prediction of CYP1A2-mediated metabolism[67]
CYP1A2Methoxyresorufin and ethoxyresorufinCYP1A2 homology model and crystal structure PDB: 2HI4 and homology structures of CYP1A2 mutants[68]
CYP1A2Virtual screening of CYP1A2 ligandsPDB: 2HI4 and automated docking (Gold version 3.2)Prediction of the site of metabolism[69]
CYP1A2Structurally diverse CYP1A2 ligands (substrates and inhibitors)PDB: 2HI4 and molecular dynamicsVersatility and plasticity of the CYP1A2 active site[70]
CYP1A2 (CYP2C9)Chrysin, 7,8-benzoflavone, 7-hydroxyflavone, and warfarinPDB: 2HI4 and molecular dynamics[71]
CYP1A2PhenacetinPDB: 2HI4Wild-type and mutant forms of enzyme[72]
CYP1A2Virtual screening of 971 herb compoundsPharmacophore searching and docking procedure to CYP1A2 crystal structure (PDB: 2HI4)Herb-drug interactions[73]
CYP1A2 (CYP2A6, CYP2C9, and CYP2D6)PDB: 2HI4 and molecular dynamicsFlexibility at normal and high-pressure conditions (300 MPa)[74]
CYP1A2 and CYP1B1Polymethoxy-trans-stilbenesPDB: 2HI4 and homology model of CYP1B1Potent and selective inhibitory activity of 2,4,2′,6′-tetramethoxy-trans-stilbene[75]
CYP1A27,8-Benzoflavone, oroxylin, and wogoninPDB: 2HI4, binding free energy analysis with the MM-PBSL method, and molecular dynamics[76]
CYP1A2 and CYP1B14′-Methylthio-trans-stilbene derivativesPDB: 2HI4 and PDB: 3PM0[77]
CYP1A27-EthoxyresorufinPDB: 2HI4, ensemble docking, and molecular dynamicsPhe186Leu mutation[78]
CYP1A2 (CYP2C9, CYP2D6, and CYP3A4)Kinase inhibitorsPDB: 2HI4Drug-drug interactions[79]
CYP1A2 (CYP2A6, CYP2C9, CYP3A4, and CYP2E1)AcetaminophenLarge-scale 2D umbrella sampling, PDB: 2HI4, and molecular dynamicsRegioselectivity[80]
CYP1A2The initial structure of wild-type CYP1A2 (CYP1A2.1) constructed from the CYP1A2 crystal structure PDB: 2HI4, and CYP1A2 mutants constructed from CYP1A2.1 refined after molecular dynamics simulationInfluence of amino acid mutations on the 3D structure and dynamic properties of the enzyme[81]

CYP1B1
CYP1B117-β-Estradiol, α-naphthoflavone, 7-ethoxycoumarin, 7-ethoxyresorufin, bufuralol, and benzo(a)pyrene-7,8-diolHomology model based on the structure of CYP2C5Allelic variant effects on metabolism[82]
CYP1B117-β-EstradiolMolecular dynamics simulations of homology-modeled structuresPCG-associated mutants[83]
CYP1B17,8-Benzoflavone derivativesPDB: 3PM0; MOE docking programInhibitors that eliminate CYP1B1-mediated drug resistance[16]

B[a]P: benzo[a]pyrene; TCB: 2,3′,4,4′-tetrachlorobiphenyl; TCDD: tetrachlorodibenzo-p-dioxin; PCG: primary congenital glaucoma.