Search Results - "Grace, Christy R.R."
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Mechanism of Polyubiquitination by Human Anaphase-Promoting Complex: RING Repurposing for Ubiquitin Chain Assembly
Published in Molecular cell (23-10-2014)“…Polyubiquitination by E2 and E3 enzymes is a predominant mechanism regulating protein function. Some RING E3s, including anaphase-promoting complex/cyclosome…”
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A Dual E3 Mechanism for Rub1 Ligation to Cdc53
Published in Molecular cell (10-09-2010)“…In ubiquitin-like protein (UBL) cascades, a thioester-linked E2∼UBL complex typically interacts with an E3 enzyme for UBL transfer to the target. Here we…”
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A RING E3-substrate complex poised for ubiquitin-like protein transfer: structural insights into cullin-RING ligases
Published in Nature structural & molecular biology (01-08-2011)“…How RING E3 ligases mediate E2-to-substrate ubiquitin-like protein (UBL) transfer remains unknown. Here we address how the RING E3 RBX1 positions NEDD8's E2…”
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Alteration of RNA Splicing by Small-Molecule Inhibitors of the Interaction between NHP2L1 and U4
Published in SLAS discovery (01-02-2018)“…Splicing is an important eukaryotic mechanism for expanding the transcriptome and proteome, influencing a number of biological processes. Understanding its…”
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Distinct Structural and Functional Roles of Conserved Residues in the First Extracellular Domain of Receptors for Corticotropin-releasing Factor and Related G-protein-coupled Receptors
Published in The Journal of biological chemistry (28-12-2007)“…The G-protein-coupled receptor B1 family includes corticotropin-releasing factor (CRF), growth hormone-releasing hormone, incretin, and pituitary adenylate…”
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A switch element in the autophagy E2 Atg3 mediates allosteric regulation across the lipidation cascade
Published in Nature communications (09-08-2019)“…Autophagy depends on the E2 enzyme, Atg3, functioning in a conserved E1-E2-E3 trienzyme cascade that catalyzes lipidation of Atg8-family ubiquitin-like…”
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Dual RING E3 Architectures Regulate Multiubiquitination and Ubiquitin Chain Elongation by APC/C
Published in Cell (02-06-2016)“…Protein ubiquitination involves E1, E2, and E3 trienzyme cascades. E2 and RING E3 enzymes often collaborate to first prime a substrate with a single ubiquitin…”
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RING E3 mechanism for ubiquitin ligation to a disordered substrate visualized for human anaphase-promoting complex
Published in Proceedings of the National Academy of Sciences - PNAS (28-04-2015)“…Significance The anaphase-promoting complex/cyclosome (APC) is a multisubunit RING E3 ubiquitin (Ub) ligase that regulates mitosis, meiosis, and numerous…”
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Allosteric regulation through a switch element in the autophagy E2, Atg3
Published in Autophagy (02-01-2020)“…Lipidation of Atg8-family ubiquitin-like proteins (UBLs) plays important roles in macroautophagy/autophagy. This process is catalyzed by an E1-E2-E3 trienzyme…”
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Protein engineering of a ubiquitin-variant inhibitor of APC/C identifies a cryptic K48 ubiquitin chain binding site
Published in Proceedings of the National Academy of Sciences - PNAS (27-08-2019)“…Ubiquitin (Ub)-mediated proteolysis is a fundamental mechanism used by eukaryotic cells to maintain homeostasis and protein quality, and to control timing in…”
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Structural insights into the role of the Smoothened cysteine-rich domain in Hedgehog signalling
Published in Nature communications (19-12-2013)“…Smoothened (Smo) is a member of the Frizzled (FzD) class of G-protein-coupled receptors (GPCRs), and functions as the key transducer in the Hedgehog (Hh)…”
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NMR Structure and Peptide Hormone Binding Site of the First Extracellular Domain of a Type B1 G Protein-Coupled Receptor
Published in Proceedings of the National Academy of Sciences - PNAS (31-08-2004)“…The corticotropin-releasing factor (CRF) ligand family has diverse effects on the CNS, including the modulation of the stress response. The ligands' effects…”
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Electron microscopy structure of human APC/[C.sup.CDH1]-EMI1 reveals multimodal mechanism of E3 ligase shutdown
Published in Nature structural & molecular biology (01-07-2013)“…The anaphase-promoting complex/cyclosome (APC/C) is a ~1.5-MDa multiprotein E3 ligase enzyme that regulates cell division by promoting timely…”
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The three-dimensional structure of the N-terminal domain of corticotropin-releasing factor receptors: sushi domains and the B1 family of G protein-coupled receptors
Published in Annals of the New York Academy of Sciences (01-07-2006)“…The corticotropin-releasing factor (CRF) receptors, CRF-R1 and CRF-R2, belong to the B1 subfamily of G protein-coupled Receptors (GPCRs), including receptors…”
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Unique helical conformation of the fourth cytoplasmic loop of the CB1 cannabinoid receptor in a negatively charged environment
Published in Journal of structural biology (01-09-2007)“…The proximal portion of the C-terminus of the CB(1) cannabinoid receptor is a primary determinant for G-protein activation. A 17 residue proximal C-terminal…”
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Unique helical conformation of the fourth cytoplasmic loop of the CB 1 cannabinoid receptor in a negatively charged environment
Published in Journal of structural biology (2007)“…The proximal portion of the C-terminus of the CB 1 cannabinoid receptor is a primary determinant for G-protein activation. A 17 residue proximal C-terminal…”
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NMR techniques for very large proteins and rnas in solution
Published in Annual review of biophysics and biomolecular structure (01-01-2006)“…Three-dimensional structure determination of small proteins and oligonucleotides by solution NMR is established. With the development of novel NMR and labeling…”
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