2004
Relationship between Antiviral Activity and Host Toxicity: Comparison of the Incorporation Efficiencies of 2′,3′-Dideoxy-5-Fluoro-3′-Thiacytidine-Triphosphate Analogs by Human Immunodeficiency Virus Type 1 Reverse Transcriptase and Human Mitochondrial DNA Polymerase
Feng J, Murakami E, Zorca S, Johnson A, Johnson K, Schinazi R, Furman P, Anderson K. Relationship between Antiviral Activity and Host Toxicity: Comparison of the Incorporation Efficiencies of 2′,3′-Dideoxy-5-Fluoro-3′-Thiacytidine-Triphosphate Analogs by Human Immunodeficiency Virus Type 1 Reverse Transcriptase and Human Mitochondrial DNA Polymerase. Antimicrobial Agents And Chemotherapy 2004, 48: 1300-1306. PMID: 15047533, PMCID: PMC375312, DOI: 10.1128/aac.48.4.1300-1306.2004.Peer-Reviewed Original ResearchConceptsHuman mitochondrial DNA polymeraseMitochondrial DNA polymeraseDNA-DNAPolymerase gammaHuman immunodeficiency virusDNA polymerasePrimer-templateHuman mitochondrial DNA polymerase gammaPre-steady-state kinetic analysisMitochondrial DNA polymerase gammaDNA polymerase gammaMolecular mechanism of inhibitionHIV-1Treatment of human immunodeficiency virusExonuclease activityDNA-RNAReverse transcriptaseFood and Drug AdministrationClinical trial studyMolecular mechanismsMechanism of inhibitionHuman immunodeficiency virus type 1 reverse transcriptaseEnzymatic assayImmunodeficiency virusPolymerase
2003
Characterization of Novel Reverse Transcriptase and Other RNA-associated Catalytic Activities by Human DNA Polymerase γ IMPORTANCE IN MITOCHONDRIAL DNA REPLICATION*
Murakami E, Feng J, Lee H, Hanes J, Johnson K, Anderson K. Characterization of Novel Reverse Transcriptase and Other RNA-associated Catalytic Activities by Human DNA Polymerase γ IMPORTANCE IN MITOCHONDRIAL DNA REPLICATION*. Journal Of Biological Chemistry 2003, 278: 36403-36409. PMID: 12857740, DOI: 10.1074/jbc.m306236200.Peer-Reviewed Original ResearchConceptsMtDNA genomeMtDNA replicationPol gammaInitiation of mtDNA replicationRNA-primed DNA synthesisHuman mitochondrial DNA polymeraseMitochondrial DNA polymeraseReverse transcriptionDNA synthesis activityPhysiologically relevant ratesMitochondrial DNARibonucleotide incorporationProofreading activitySingle ribonucleotidesHeteroduplex intermediatesRibonucleotide triphosphatesRNA templateDNA primersDNA polymeraseReverse transcriptaseDNA excisionMtDNAAccessory subunitsDNA synthesisEnzymatic pathways
2001
Deoxythioguanosine triphosphate impairs HIV replication: a new mechanism for an old drug
KRYNETSKAIA N, FENG J, KRYNETSKI E, GARCIA J, PANETTA J, ANDERSON K, EVANS W. Deoxythioguanosine triphosphate impairs HIV replication: a new mechanism for an old drug. The FASEB Journal 2001, 15: 1902-1908. PMID: 11532970, DOI: 10.1096/fj.01-0124com.Peer-Reviewed Original ResearchConceptsAnti-retroviral agentsHIV replicationHIV-1 reverse transcriptaseReverse transcriptaseTreatment of HIVHuman lymphocyte culturesDifferent medicationsHost lymphocytesAdditive cytotoxicityHIV-1Old drugsLymphocyte culturesActive metaboliteHuman lymphocytesMinimal toxicityLymphocytesThioguanineSubstantial inhibitionTreatmentInhibitionHIV proteaseEarly stagesMedicationsHIVPatientsInsights into the Molecular Mechanism of Mitochondrial Toxicity by AIDS Drugs*
Feng J, Johnson A, Johnson K, Anderson K. Insights into the Molecular Mechanism of Mitochondrial Toxicity by AIDS Drugs*. Journal Of Biological Chemistry 2001, 276: 23832-23837. PMID: 11328813, DOI: 10.1074/jbc.m101156200.Peer-Reviewed Original ResearchMeSH KeywordsAcquired Immunodeficiency SyndromeAnti-HIV AgentsCytidine TriphosphateDeoxycytosine NucleotidesDideoxynucleotidesDNADNA Polymerase gammaDNA ReplicationDNA, MitochondrialDNA-Directed DNA PolymeraseExodeoxyribonucleasesHumansKineticsLamivudineMitochondriaNucleic Acid Synthesis InhibitorsReverse Transcriptase InhibitorsZalcitabineConceptsPol gammaHuman mitochondrial DNA polymeraseHuman pol gammaMitochondrial DNA replicationMitochondrial DNA polymeraseToxicity of nucleoside analogsCytosine analogsMechanism of mitochondrial toxicityExonuclease activityDNA primersDNA replicationDNA polymeraseNucleoside analogsRate of excisionStructure/function relationshipsMolecular mechanismsLong-term administrationToxic inhibitorsExonucleaseTreatment of AIDSPolymeraseClinical toxicityMitochondrial toxicityDNAPol
2000
Mechanism of Inhibition of the Human Immunodeficiency Virus Type 1 Reverse Transcriptase by d4TTP: an Equivalent Incorporation Efficiency Relative to the Natural Substrate dTTP
Vaccaro J, Parnell K, Terezakis S, Anderson K. Mechanism of Inhibition of the Human Immunodeficiency Virus Type 1 Reverse Transcriptase by d4TTP: an Equivalent Incorporation Efficiency Relative to the Natural Substrate dTTP. Antimicrobial Agents And Chemotherapy 2000, 44: 217-221. PMID: 10602755, PMCID: PMC89660, DOI: 10.1128/aac.44.1.217-221.2000.Peer-Reviewed Original ResearchConceptsHIV-1HIV-1 RTHuman immunodeficiency virus type 1Immunodeficiency virus type 1Target human immunodeficiency virus type 1Inhibition of HIV-1 RTNatural substrateVirus type 1Pre-steady-state kinetic analysisNucleoside analogue inhibitorsDNA synthesisRNA-dependent DNA synthesisAIDS patientsPrimer-template complexHuman immunodeficiency virus type 1 reverse transcriptaseNucleoside triphosphate analoguesType 1Mechanism of inhibitionD4TTPIncorporation efficiencyDTTPDNATriphosphate analoguesAnalogue inhibitorsInhibition
1996
HIV-1 Reverse Transcriptase Resistance to Nonnucleoside Inhibitors †
Spence R, Anderson K, Johnson K. HIV-1 Reverse Transcriptase Resistance to Nonnucleoside Inhibitors †. Biochemistry 1996, 35: 1054-1063. PMID: 8547241, DOI: 10.1021/bi952058+.Peer-Reviewed Original ResearchConceptsMutant enzymesPre-steady-state techniquesSingle nucleotide incorporationWild-type complexMaximum incorporation rateNucleotide incorporationEnzyme complexDuplex DNAAffinity 2Cysteine mutationsTwo-step bindingWild-typeConformational changesDecreased affinityEnzymePresence of nevirapineInhibitor resistanceMutationsIncorporation rateY181C mutationWild-type RTReverse transcriptaseHIV-1NevirapineY181C
1995
Mechanism of Inhibition of HIV-1 Reverse Transcriptase by Nonnucleoside Inhibitors
Spence R, Kati W, Anderson K, Johnson K. Mechanism of Inhibition of HIV-1 Reverse Transcriptase by Nonnucleoside Inhibitors. Science 1995, 267: 988-993. PMID: 7532321, PMCID: PMC7526747, DOI: 10.1126/science.7532321.Peer-Reviewed Original ResearchConceptsActive site catalytic residuesPre-steady-state kinetic analysisNucleotide-induced conformational changesInterfere with nucleotide bindingPre-steady-state burstEnzyme-DNA complexPre-steady-stateReverse transcriptasePresence of saturating concentrationsCatalytic residuesNucleotide bindingNucleoside triphosphatesDNA polymerizationNucleotide analogsHydrophobic pocketMechanism of inhibitionNonnucleoside inhibitorsConformational changesNoncompetitive inhibitorInhibition of HIV-1 reverse transcriptaseKinetic analysisHIV-1 reverse transcriptaseSaturating concentrationsTranscriptaseInhibitors
1992
Mechanism and fidelity of HIV reverse transcriptase.
Kati W, Johnson K, Jerva L, Anderson K. Mechanism and fidelity of HIV reverse transcriptase. Journal Of Biological Chemistry 1992, 267: 25988-25997. PMID: 1281479, DOI: 10.1016/s0021-9258(18)35706-5.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceBinding SitesDeoxyribonucleotidesDNAEscherichia coliHIV Reverse TranscriptaseHIV-1KineticsModels, BiologicalMolecular Sequence DataNucleic Acid HeteroduplexesOligodeoxyribonucleotidesOligoribonucleotidesRecombinant ProteinsRNARNA-Directed DNA PolymeraseSubstrate SpecificityTemplates, GeneticConceptsRNA templateRNA/DNA heteroduplexesRNA cleavageDuplex DNAPre-steady state burstRate of DNA polymerizationDNA-dependent polymerasesRNA cleavage productsBinding of dNTPSingle nucleotide incorporationRibonuclease domainRNA-dependentVirus reverse transcriptasePublished crystal structureNucleotide incorporationNucleoside triphosphatesHuman immunodeficiency virus reverse transcriptaseDNTP complexDissociation of DNADNA polymerizationReverse transcriptaseDATPHeteroduplexCleavage productsRNA