2013
ASB2α, an E3 Ubiquitin Ligase Specificity Subunit, Regulates Cell Spreading and Triggers Proteasomal Degradation of Filamins by Targeting the Filamin Calponin Homology 1 Domain*
Razinia Z, Baldassarre M, Cantelli G, Calderwood DA. ASB2α, an E3 Ubiquitin Ligase Specificity Subunit, Regulates Cell Spreading and Triggers Proteasomal Degradation of Filamins by Targeting the Filamin Calponin Homology 1 Domain*. Journal Of Biological Chemistry 2013, 288: 32093-32105. PMID: 24052262, PMCID: PMC3814802, DOI: 10.1074/jbc.m113.496604.Peer-Reviewed Original ResearchConceptsHematopoietic cell differentiationSpecificity subunitProteasomal degradationF-actin-rich structuresE3 ubiquitin ligase complexCell differentiationNormal subcellular localizationHomology 1 domainLoss of filaminUbiquitin acceptor sitesActin-binding domainCross-linking proteinsActin-binding siteLigase complexActin cytoskeletonTransmembrane proteinSubcellular localizationΑ-actinin1Transient expressionASB2αDegradation of filaminMinimal fragmentLysine residuesFilaminCell adhesion
2011
The E3 ubiquitin ligase specificity subunit ASB2α targets filamins for proteasomal degradation by interacting with the filamin actin-binding domain
Razinia Z, Baldassarre M, Bouaouina M, Lamsoul I, Lutz PG, Calderwood DA. The E3 ubiquitin ligase specificity subunit ASB2α targets filamins for proteasomal degradation by interacting with the filamin actin-binding domain. Journal Of Cell Science 2011, 124: 2631-2641. PMID: 21750192, PMCID: PMC3138704, DOI: 10.1242/jcs.084343.Peer-Reviewed Original ResearchConceptsFilamin degradationProteasomal degradationCell differentiationDomain of filaminActin-rich structuresUbiquitin-proteasome pathwayExtracellular matrix connectionsActin cytoskeletonTransmembrane proteinSubcellular localizationMolecular basisSignaling cascadesASB2αActin filamentsFilaminAcute degradationBiochemical assaysMyeloid leukemia cellsImportant familyActinEarly eventsProteinLeukemia cellsImportant mechanismDifferentiation
2000
Distinct Domains of CD98hc Regulate Integrins and Amino Acid Transport*
Fenczik C, Zent R, Dellos M, Calderwood D, Satriano J, Kelly C, Ginsberg M. Distinct Domains of CD98hc Regulate Integrins and Amino Acid Transport*. Journal Of Biological Chemistry 2000, 276: 8746-8752. PMID: 11121428, DOI: 10.1074/jbc.m011239200.Peer-Reviewed Original ResearchConceptsAmino acid transportIntegrin functionAcid transportDistinct domainsType II transmembrane proteinIsoleucine transportAmino acid transportersCD98 heavy chainCell surface heterodimersTransmembrane domainCytoplasmic domainTransmembrane proteinSurface heterodimersExtracellular domainAcid transportersCD98hcHeavy chainProteinIntegrinsCovalent linkageDifferent light chainsLight chainDomainMutantsHeterodimersClass- and Splice Variant-specific Association of CD98 with Integrin β Cytoplasmic Domains*
Zent R, Fenczik C, Calderwood D, Liu S, Dellos M, Ginsberg M. Class- and Splice Variant-specific Association of CD98 with Integrin β Cytoplasmic Domains*. Journal Of Biological Chemistry 2000, 275: 5059-5064. PMID: 10671548, DOI: 10.1074/jbc.275.7.5059.Peer-Reviewed Original ResearchConceptsCytoplasmic domainIntegrin activationMuscle-specific splice variantIntegrin beta cytoplasmic domainsBasic amino acid transportType II transmembrane proteinIntegrin β cytoplasmic domainBeta cytoplasmic domainsIntegrin cytoplasmic domainCell fusion eventsIntegrin adhesion receptorsAmino acid transportTransmembrane proteinMembrane proteinsFusion eventsIntegrin classAdhesion receptorsSplice variantsAcid transportCD98Variant specificityProteinIntegrinsDomainActivation