Search Results - "Hirsch, Joel A"
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Structural Basis of a Kv7.1 Potassium Channel Gating Module: Studies of the Intracellular C-Terminal Domain in Complex with Calmodulin
Published in Structure (London) (04-11-2014)“…Kv7 channels tune neuronal and cardiomyocyte excitability. In addition to the channel membrane domain, they also have a unique intracellular C-terminal (CT)…”
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2
Structural basis for active single and double ring complexes in human mitochondrial Hsp60-Hsp10 chaperonin
Published in Nature communications (21-04-2020)“…mHsp60-mHsp10 assists the folding of mitochondrial matrix proteins without the negative ATP binding inter-ring cooperativity of GroEL-GroES. Here we report the…”
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3
APP Homodimers Transduce an Amyloid-β-Mediated Increase in Release Probability at Excitatory Synapses
Published in Cell reports (Cambridge) (12-06-2014)“…Accumulation of amyloid-β peptides (Aβ), the proteolytic products of the amyloid precursor protein (APP), induces a variety of synaptic dysfunctions ranging…”
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4
A novel Ca2+-binding protein that can rapidly transduce auxin responses during root growth
Published in PLoS biology (11-07-2019)“…Signaling cross talks between auxin, a regulator of plant development, and Ca2+, a universal second messenger, have been proposed to modulate developmental…”
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Differential Interactions Between Beclin 1 and Bcl-2 Family Members
Published in Autophagy (01-11-2007)“…Autophagy, a cellular degradation system, promotes both cell death and survival. The interaction between Bcl-2 family proteins and Beclin 1, a Bcl-2…”
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Structural Flexibility of CaV1.2 and CaV2.2 I-II Proximal Linker Fragments in Solution
Published in Biophysical journal (04-06-2013)“…Voltage-dependent calcium channels (CaV) enable the inward flow of calcium currents for a wide range of cells. CaV1 and CaV2 subtype α1 subunits form the…”
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The KCNQ1 (Kv7.1) COOH Terminus, a Multitiered Scaffold for Subunit Assembly and Protein Interaction
Published in The Journal of biological chemistry (29-02-2008)“…The Kv7 subfamily of voltage-dependent potassium channels, distinct from other subfamilies by dint of its large intracellular COOH terminus, acts to regulate…”
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The role of a voltage-dependent Ca2+ channel intracellular linker: a structure-function analysis
Published in The Journal of neuroscience (30-05-2012)“…Voltage-dependent calcium channels (VDCCs) allow the passage of Ca(2+) ions through cellular membranes in response to membrane depolarization. The channel…”
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RGK Family G-Domain:GTP Analog Complex Structures and Nucleotide-Binding Properties
Published in Journal of molecular biology (21-10-2011)“…The RGK family of small G-proteins, including Rad, Gem, Rem1, and Rem2, is inducibly expressed in various mammalian tissues and interacts with…”
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10
A common Ca2+-driven interdomain module governs eukaryotic NCX regulation
Published in PloS one (29-06-2012)“…Na(+)/Ca(2+) exchanger (NCX) proteins mediate Ca(2+)-fluxes across the cell membrane to maintain Ca(2+) homeostasis in many cell types. Eukaryotic NCX contains…”
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Ancient origins of RGK protein function: modulation of voltage-gated calcium channels preceded the protostome and deuterostome split
Published in PloS one (03-07-2014)“…RGK proteins, Gem, Rad, Rem1, and Rem2, are members of the Ras superfamily of small GTP-binding proteins that interact with Ca2+ channel β subunits to modify…”
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Intracellular domains interactions and gated motions of IKS potassium channel subunits
Published in The EMBO journal (22-07-2009)“…Voltage‐gated K + channels co‐assemble with auxiliary β subunits to form macromolecular complexes. In heart, assembly of Kv7.1 pore‐forming subunits with KCNE1…”
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13
The Role of KCNQ1 Mutations and Maternal Beta Blocker Use During Pregnancy in the Growth of Children With Long QT Syndrome
Published in Frontiers in endocrinology (Lausanne) (24-04-2018)“…Two missense mutations in , an imprinted gene that encodes the alpha subunit of the voltage-gated potassium channel Kv7.1, cause autosomal dominant growth…”
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14
Competitive and Non-competitive Regulation of Calcium-dependent Inactivation in CaV1.2 L-type Ca2+ Channels by Calmodulin and Ca2+-binding Protein 1
Published in The Journal of biological chemistry (03-05-2013)“…CaV1.2 interacts with the Ca2+ sensor proteins, calmodulin (CaM) and calcium-binding protein 1 (CaBP1), via multiple, partially overlapping sites in the main…”
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15
Prosthodontic Considerations in Post-cancer Reconstructions
Published in Oral and maxillofacial surgery clinics of North America (01-05-2015)“…The restoration of function after oncologic surgery of the oral cavity constitutes one of the major challenges facing head and neck oncology. Within the…”
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Reconstitution of β-adrenergic regulation of CaV1.2: Rad-dependent and Rad-independent protein kinase A mechanisms
Published in Proceedings of the National Academy of Sciences - PNAS (25-05-2021)“…L-type voltage-gated CaV1.2 channels crucially regulate cardiac muscle contraction. Activation of β-adrenergic receptors (β-AR) augments contraction via…”
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Structural Insights into the M‑Channel Proximal C‑Terminus/Calmodulin Complex
Published in Biochemistry (Easton) (27-09-2016)“…The Kv7 (KCNQ) channel family, comprising voltage-gated potassium channels, plays major roles in fine-tuning cellular excitability by reducing firing frequency…”
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Transition of Arrestin into the Active Receptor-binding State Requires an Extended Interdomain Hinge
Published in The Journal of biological chemistry (15-11-2002)“…Arrestins selectively bind to the phosphorylated activated form of G protein-coupled receptors, thereby blocking further G protein activation. Structurally,…”
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Reconstitution of β-adrenergic regulation of Ca V 1.2: Rad-dependent and Rad-independent protein kinase A mechanisms
Published in Proceedings of the National Academy of Sciences - PNAS (25-05-2021)“…L-type voltage-gated Ca 1.2 channels crucially regulate cardiac muscle contraction. Activation of β-adrenergic receptors (β-AR) augments contraction via…”
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20
Structure of the multimodular endonuclease FokI bound to DNA
Published in Nature (London) (03-07-1997)“…FokI is a member of an unusual class of bipartite restriction enzymes that recognize a specific DNA sequence and cleave DNA nonspecifically a short distance…”
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