2023
Bump-and-hole engineering of human polypeptide N-acetylgalactosamine transferases to dissect their protein substrates and glycosylation sites in cells
Calle B, Gonzalez-Rodriguez E, Mahoney K, Cioce A, Bineva-Todd G, Tastan O, Roustan C, Flynn H, Malaker S, Schumann B. Bump-and-hole engineering of human polypeptide N-acetylgalactosamine transferases to dissect their protein substrates and glycosylation sites in cells. STAR Protocols 2023, 4: 101974. PMID: 36633947, PMCID: PMC9843269, DOI: 10.1016/j.xpro.2022.101974.Peer-Reviewed Original ResearchConceptsProtein substratesGlycosylation sitesGalNAc-T familyTransfection of cellsIndividual glycosyltransferasesBioorthogonal reportersN-acetylgalactosamine transferaseSubstrate specificityBiological functionsGalNAc-TsDisease relevanceMolecular biologyComplete detailsGlycosyltransferasesTransferaseCellsBiosynthesisBiologyReporterTransfectionGlycansSubstrateEnzymeHole engineeringSites
2019
Isolation of Major Histocompatibility Complex (MHC)-Associated Peptides by Immunoaffinity Purification
Penny SA, Malaker SA. Isolation of Major Histocompatibility Complex (MHC)-Associated Peptides by Immunoaffinity Purification. Methods In Molecular Biology 2019, 2024: 235-243. PMID: 31364053, DOI: 10.1007/978-1-4939-9597-4_14.ChaptersConceptsMass spectrometryAntibody conjugationImmunoaffinity purificationSurface of cellsMajor histocompatibility complexAutoimmune diseasesT cellsImmune componentsDisease processMoleculesHistocompatibility complexAntigenic peptidesMHCAssociated peptidePurificationPeptidesSurfaceSpectrometryElutionCellsComplexesConjugationCD8CD4Cancer
2017
Shared peptide binding of HLA Class I and II alleles associate with cutaneous nevirapine hypersensitivity and identify novel risk alleles
Pavlos R, McKinnon EJ, Ostrov DA, Peters B, Buus S, Koelle D, Chopra A, Schutte R, Rive C, Redwood A, Restrepo S, Bracey A, Kaever T, Myers P, Speers E, Malaker SA, Shabanowitz J, Jing Y, Gaudieri S, Hunt DF, Carrington M, Haas DW, Mallal S, Phillips EJ. Shared peptide binding of HLA Class I and II alleles associate with cutaneous nevirapine hypersensitivity and identify novel risk alleles. Scientific Reports 2017, 7: 8653. PMID: 28819312, PMCID: PMC5561238, DOI: 10.1038/s41598-017-08876-0.Peer-Reviewed Original ResearchConceptsHypersensitivity reactionsHLA moleculesTreatment-limiting hypersensitivity reactionClass IDrug hypersensitivity syndromeHuman leukocyte antigen (HLA) systemHLA class IHLA-C allelesClass II allelesLeukocyte antigen systemHLA-B allelesNevirapine hypersensitivityHypersensitivity syndromeHLA associationsIndependent associationHLA-DRB1T cellsImmune responseNovel risk allelesPathogenic mechanismsDrug specific interactionsMultiple class IAntigen systemPrimary predispositionRisk alleles