2013
Molecular Basis of Purinergic Signal Metabolism by Ectonucleotide Pyrophosphatase/Phosphodiesterases 4 and 1 and Implications in Stroke*♦
Albright RA, Ornstein DL, Cao W, Chang WC, Robert D, Tehan M, Hoyer D, Liu L, Stabach P, Yang G, De La Cruz EM, Braddock DT. Molecular Basis of Purinergic Signal Metabolism by Ectonucleotide Pyrophosphatase/Phosphodiesterases 4 and 1 and Implications in Stroke*♦. Journal Of Biological Chemistry 2013, 289: 3294-3306. PMID: 24338010, PMCID: PMC3916532, DOI: 10.1074/jbc.m113.505867.Peer-Reviewed Original ResearchConceptsExtracellular membrane proteinsMembrane proteinsSubstrate specificityMolecular basisHigh-resolution crystal structuresResolution crystal structureComparative structural analysisATP hydrolysisNPP1Brain vascular endotheliumCorresponding regionTerminal phosphateLow nanomolar concentrationsPurinergic signalsPlatelet aggregationProteinATPEnzymeNanomolar concentrationsVascular endotheliumPhosphodiesterases 4Ap3AMetabolismSurface of chondrocytesTissue mineralization
1998
A widely expressed βIII spectrin associated with Golgi and cytoplasmic vesicles
Stankewich M, Tse W, Peters L, Ch’ng Y, John K, Stabach P, Devarajan P, Morrow J, Lux S. A widely expressed βIII spectrin associated with Golgi and cytoplasmic vesicles. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 14158-14163. PMID: 9826670, PMCID: PMC24343, DOI: 10.1073/pnas.95.24.14158.Peer-Reviewed Original ResearchConceptsBetaIII spectrinGene mapsMembrane skeletonEndoplasmic reticulum marker calnexinPlasma membrane skeletonPleckstrin homology domainTrans-Golgi networkHuman brain cDNASyntenic regionsGene familyProtein 4.1Membrane associationCompartment markersImportant structural componentDa proteinSelf-association siteGolgi membranesHomology searchCDNA endsRapid amplificationUnidentified isoformChromosome 19Liver Golgi membranesGenBank databaseVesicle markers
1997
Site-Directed Mutagenesis of αII Spectrin at Codon 1175 Modulates Its μ-Calpain Susceptibility †
Stabach P, Cianci C, Glantz S, Zhang Z, Morrow J. Site-Directed Mutagenesis of αII Spectrin at Codon 1175 Modulates Its μ-Calpain Susceptibility †. Biochemistry 1997, 36: 57-65. PMID: 8993318, DOI: 10.1021/bi962034i.Peer-Reviewed Original ResearchConceptsSite-directed mutagenesisAlpha II spectrinCalpain cleavage sitesCleavage siteII-spectrinHelix CRecombinant GST-fusion proteinsBona fide proteinGST fusion proteinTriple-helical motifsStrict substrate specificityFamily of Ca2Protein kinase CDynamic molecular modelingStructural repeatsProminent substrateDifferent amino acidsSubstrate specificityIntracellular proteolysisPenultimate residueCysteine proteasesKinase CMost proteasesSteroid receptor activationSpectrin