Granuphilin c2a

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August undefined, 2024

WebJan 1, 2024 · The results of an in vitro binding study indicated that the C2A domain of Slp3 and Slp5 functions as an atypical Ca 2+-dependent phospholipid-binding domain ... Slp4/granuphilin was originally identified as a rabphilin-like protein associated with insulin granules in pancreatic β cells (Wang et al. 1999). WebThe C2A domain plays key roles in this process through interaction with PI (4,5)P2. In this study, we have investigated the molecular recognition mechanism of granuphilin-C2A …

Multivalent lipid targeting by the calcium-independent C2A …

WebNov 25, 2005 · Deletion analysis showed that the syntaxin-2/3 (or Munc18-1/2)-binding site is a linker domain of Slp4-a (amino acid residues 144-354), a previously uncharacterized region located between the N-terminal Rab27A binding domain and the C2A domain. We also found that the Slp4-a.syntaxin-2 complex is actually present in rat parotid glands … WebC2 Education is the fastest-growing test prep and tutoring center in the country. Use our Center Locator to help find a center near you and get started! fish and chip shops in maldon essex

The Slp4-a Linker Domain Controls Exocytosis through Interaction …

WebJan 1, 2024 · The C2A domain of Slp-4 is known to drive this protein's ability to bind cellular PMs primarily via interaction with PIP 2 (12, 13).However, the protein retains an affinity for membranes containing the anionic lipids PS and/or PI, even in the absence of PIP 2 ().Here, we set out to discern the contributions of PIP 2 and background anionic lipid binding to … WebMay 31, 2024 · Synaptotagmin-like protein 4 (Slp-4), also known as granuphilin, is a Rab effector responsible for docking secretory vesicles to the plasma membrane before … WebDec 20, 2006 · Instead, the C2 domains, particularly the C2A domain, of exophilin4 showed markedly higher phospholipid-binding activities than those of granuphilin. The … fish and chip shops in mirfield

Exophilin4/Slp2-a Targets Glucagon Granules to the Plasma …

Structural Basis of Phosphoinositide (PIP) Recognition

Weband the C2A domains of rabphilins (16). The PIP 2 binding site of the Slp-4 C2A domain was previously reported to center on this cluster (19). Notably, a large region around the cluster contains other basic residues that impart a positively charged electrostatic surface (Fig. 1). The Slp-4 C2A domain plays a critical role in targeting its WebInsights into the molecular recognition of the granuphilin C2A domain with PI(4,5)P2 MLA Chanjuan Wan, et al. "Insights Into the Molecular Recognition of the Granuphilin C2a … fish and chip shops in market draytonWebusing site-directed mutagenesis and NMR. Overall, granuphilin demonstrates the capability to bind to background anionic lipids and phosphoinositides inde-pendently, but the presence of both lipids greatly increases the binding afﬁnity of this protein. This suggests that granuphilin may serve as a coincidence de- fish and chip shops in measham

"WebAug 24, 2024 · The C2A domain of granuphilin binds strongly to plasma membranes containing PIP2 via a conserved lysine cluster (red circle) embedded in a large electropositive surface (blue oval) containing many basic residues (blue sticks). A single exposed hydrophobic residue (gray sticks) also contributes to membrane affinity. " - Granuphilin c2a

Granuphilin c2a

Aml A Alnaas , Abena Watson-Siriboe , Sherleen Tran , Mikias …

WebJan 27, 2015 · Granuphilin C2A has similar affinity for liposomes containing either 24% PS or 2% PIP2, but affinity increases ∼100-fold in the presence of both target lipids. Binding site(s) for the two lipids ...

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WebFeb 15, 2006 · Synaptotagmin-like protein 4-a (Slp4-a)/granuphilin-a is specifically localized on dense-core vesicles in certain neuroendocrine cells and negatively controls dense-core vesicle exocytosis through specific interaction with Rab27A. However, the precise molecular mechanism of its inhibitory effect on exocytosis has never been … WebAbena Watson-Siriboe's 10 research works with 40 citations and 570 reads, including: Multivalent lipid targeting by the calcium-independent C2A domain of synaptotagmin-like protein 4/ granuphilin

WebNov 1, 2013 · Granuphilin contains two C2 domains, C2A and C2B, that interact with the plasma membrane lipid phosphatidylinositol-(4,5)-bisphosphate [PI(4,5)P2]. The goal of this study was to determine membrane-binding mechanisms, affinities, and kinetics of both granuphilin C2 domains using fluorescence spectroscopic techniques. WebSynaptotagmin-like protein 4 (Slp-4), also known as granuphilin, is a Rab effector responsible for docking secretory vesicles to the plasma membrane before exocytosis. Slp-4 binds vesicular Rab proteins via an N-terminal …

WebMay 29, 2024 · Multivalent lipid targeting by the calcium-independent C2A domain of Slp-4/granuphilin Aml A Alnaas 1, Abena Watson-Siriboe 1, Sherleen Tran , Mikias Negussie, Jack A. Henderson , J. Ryan Osterberg 1, Nara Lee Chon , Julianna Oviedo,1 Tatyana Lyakhova1, Cole Michel2, Nichole Reisdorph 2, Richard Reisdorph , Colin T. Shearn3, … WebApr 1, 2016 · Furthermore, granuphilin forms a 180-nm cluster at the site of each docked granule, along with granuphilin-interacting Rab27a and Munc18-1 clusters. These …

WebSynaptotagmin-like protein 4 (Slp-4), also known as granuphilin, is a Rab effector responsible for docking secretory vesicles to the plasma membrane before exocytosis. ...

WebSep 1, 2014 · The granuphilin C2A domain shows significant protein-to-membrane FRET when added to liposomes closely resembling the lipid composition of the plasma membrane cytosolic leaflet (Corbin et al., 2007, Voelker, 2008).Since some C2 domains are known to dock preferentially to PIP x lipids, such physiologically relevant lipid mixtures … fish and chip shops in mineheadWebRab27a and Rab27b have recently been recognized to play versatile roles in regulating the exocytosis of secretory granules and lysosome-related organelles by using multiple effector proteins. However, the precise roles of these effector proteins in particular cell types largely remain uncharacterized, except for those in pancreatic β cells and in melanocytes. Here, … fish and chip shops in lytham st annesWebLearn about Equinix DC2 carrier-neutral data center, located at 21715 Filigree Court, Ashburn, VA. See our interconnection options, certifications and more. camryn industriesWebMar 7, 2002 · Granuphilin/Slp-4 is a member of the synaptotagmin-like protein family expressed in pancreatic β-cells and in the pituitary gland. We show by confocal microscopy that both granuphilin-a and -b colocalize with insulin-containing secretory granules positioned at the periphery of pancreatic β-cells. Overexpression of granuphilins in … fish and chip shops in malvernWebInsights into the molecular recognition of the granuphilin C2A domain with PI(4,5)P2. 7: 24184645: 2014: The C2 domains of granuphilin are high-affinity sensors for plasma membrane lipids. 5: 27032672: 2016: Granuphilin exclusively mediates functional granule docking to the plasma membrane. 4: fish and chip shops in mashamWebCorvallis Veterinary Hospital. Jul 2007 - Sep 20092 years 3 months. 1543 NW 9th St. Corvallis, OR 97330. As part of a small veterinary clinic I gained proficiency in a diverse set of skills ... camryn hurleyWebAll Slp members basically share an N-terminal Slp homology domain (SHD) and C-terminal tandem C2 domains (named the C2A domain and the C2B domain) with the SHD and C2 domains being separated by a linker sequence of various length. Slp1/JFC1 and Slp2/exophilin 4 promote granule docking to the plasma membrane. Additionally, their … fish and chip shops in mersea island