2013
ALDH16A1 is a novel non-catalytic enzyme that may be involved in the etiology of gout via protein–protein interactions with HPRT1
Vasiliou V, Sandoval M, Backos DS, Jackson BC, Chen Y, Reigan P, Lanaspa MA, Johnson RJ, Koppaka V, Thompson DC. ALDH16A1 is a novel non-catalytic enzyme that may be involved in the etiology of gout via protein–protein interactions with HPRT1. Chemico-Biological Interactions 2013, 202: 22-31. PMID: 23348497, PMCID: PMC3746320, DOI: 10.1016/j.cbi.2012.12.018.Peer-Reviewed Original ResearchConceptsProtein-protein interactionsSingle nucleotide polymorphismsSuch protein-protein interactionsCoiled-coil domainImportant cysteine residuesMissense single nucleotide polymorphismMost mammalian speciesALDH domainHuman cell linesALDH16A1Cysteine residuesMammalian speciesProtein structureUnique memberKey enzymeEtiology of goutGenesNucleotide polymorphismsHPRT activityProteinAcid metabolismCell linesLong formIntriguing possibilityLower animals
2010
Structural and Functional Modifications of Corneal Crystallin ALDH3A1 by UVB Light
Estey T, Chen Y, Carpenter JF, Vasiliou V. Structural and Functional Modifications of Corneal Crystallin ALDH3A1 by UVB Light. PLOS ONE 2010, 5: e15218. PMID: 21203538, PMCID: PMC3006428, DOI: 10.1371/journal.pone.0015218.Peer-Reviewed Original ResearchConceptsActive site CysNon-native aggregationNon-covalent interactionsAldehyde dehydrogenase 3A1MALDI-TOF mass spectrometryMammalian corneal epitheliumCorneal crystallinsSpectroscopic studiesChemical modificationUV-induced damageCys residuesGlucose-6-phosphate dehydrogenaseTertiary structureMass spectrometryMultifaceted roleResult of aggregationALDH3A1Enzymatic activityCorneal proteinsUV-induced inactivationOxidative stressProteinFunctional modificationsResiduesDirect absorption
2007
Hepatocyte‐specific Gclc deletion leads to rapid onset of steatosis with mitochondrial injury and liver failure
Chen Y, Yang Y, Miller ML, Shen D, Shertzer HG, Stringer KF, Wang B, Schneider SN, Nebert DW, Dalton TP. Hepatocyte‐specific Gclc deletion leads to rapid onset of steatosis with mitochondrial injury and liver failure. Hepatology 2007, 45: 1118-1128. PMID: 17464988, DOI: 10.1002/hep.21635.Peer-Reviewed Original ResearchConceptsLiver failureMitochondrial injuryLiver biochemistry testsSevere parenchymal damageNumerous liver diseasesMonths of ageGCLC geneHepatic failureLiver injuryParenchymal damageLiver diseaseDepletion of glutathioneHepatic steatosisHistological featuresGSH synthesisHepatic functionPostnatal dayHepatocyte deathKnockout miceRapid onsetBiochemistry testsHepatic GSHSteatosisUltrastructural examinationOxidative stressInteraction between the catalytic and modifier subunits of glutamate-cysteine ligase
Yang Y, Chen Y, Johansson E, Schneider SN, Shertzer HG, Nebert DW, Dalton TP. Interaction between the catalytic and modifier subunits of glutamate-cysteine ligase. Biochemical Pharmacology 2007, 74: 372-381. PMID: 17517378, DOI: 10.1016/j.bcp.2007.02.003.Peer-Reviewed Original ResearchConceptsGlutamate-cysteine ligaseHeterodimer formationEnzyme structure-function relationshipsTwo-hybrid systemGlutathione biosynthesis pathwayPrimary amino acid sequenceC-terminal regionAmino acid sequenceN-terminal regionStructure-function relationshipsBiosynthesis pathwayRegulatory subunitCatalytic subunitDeletion analysisRate-limiting enzymeTertiary structureModifier subunitAmino acidsPoint mutationsSubunitsGCLCGSH inhibitionLigaseEnzyme activityGCLM
2005
Glutamate Cysteine Ligase Catalysis DEPENDENCE ON ATP AND MODIFIER SUBUNIT FOR REGULATION OF TISSUE GLUTATHIONE LEVELS*
Chen Y, Shertzer HG, Schneider SN, Nebert DW, Dalton TP. Glutamate Cysteine Ligase Catalysis DEPENDENCE ON ATP AND MODIFIER SUBUNIT FOR REGULATION OF TISSUE GLUTATHIONE LEVELS*. Journal Of Biological Chemistry 2005, 280: 33766-33774. PMID: 16081425, DOI: 10.1074/jbc.m504604200.Peer-Reviewed Original Research