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
2008
ASB2 targets filamins A and B to proteasomal degradation
Heuzé ML, Lamsoul I, Baldassarre M, Lad Y, Lévêque S, Razinia Z, Moog-Lutz C, Calderwood DA, Lutz PG. ASB2 targets filamins A and B to proteasomal degradation. Blood 2008, 112: 5130-5140. PMID: 18799729, PMCID: PMC2597609, DOI: 10.1182/blood-2007-12-128744.Peer-Reviewed Original ResearchConceptsAnkyrin repeat-containing proteinFilamin AE3 ubiquitin ligase complexActin-binding protein filamin AFilamin degradationRepeat-containing proteinUbiquitin ligase complexSeries of proliferationHematopoietic cell differentiationProtein filamin AAcid-induced differentiationSuppressor of cytokineLigase complexSpecificity subunitLeukemia cellsHematopoietic differentiationHematopoietic progenitor cellsProteasomal degradationMolecular basisAcute promyelocytic leukemia cellsSpecific proteinsCell spreadingPromyelocytic leukemia cellsArrest of differentiationCell differentiation