Granuphilin c2a

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WebJan 13, 2015 · Another example is the study of the interaction of granuphilin-C2A domain with phosphatidylinositol 4, 5-bisphosphate [PI(4, 5)P 2 ] head group and PI(4, 5)P 2 … 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 …

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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 … navy 15 year retirement eligibility

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WebFeb 1, 2015 · The recognition of granuphilin C2A to PI(4,5)P2 within lipid bilayer was analyzed by NMR, using nanodisc system. Abstract. Phosphatidylinositol 4,5-bisphosphate (PI(4,5)P2) is a key player in regulating the process of excytosis, including insulin secretion. Granuphilin, a tandem C2 domain containing protein, mediates the docking of insulin ... WebMar 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 … 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 mark gagnon comedian wife

The C2 domains of granuphilin are high-affinity sensors for …

Multivalent lipid targeting by the calcium-independent …

WebHHMI’s Janelia Research Campus in Ashburn, Virginia, cracks open scientific fields by breaking through technical and intellectual barriers. Our integrated teams of lab scientists … WebDec 12, 2013 · Proteins containing C2 domains are the sensors for Ca 2+ and PI(4,5)P 2 in a myriad of secretory pathways. Here, the use of a free-mounting system has enabled us to capture an intermediate state of Ca 2+ binding to the C2A domain of rabphilin 3A that suggests a different mechanism of ion interaction.Structural comparisons between C2A … mark gagner cromwell ctWebSynaptotagmin-like protein 4 (Slp-4), also known as granuphilin, is a Rab effector responsible for docking secretory vesicles to the plasma membrane before exocytosis. ... mark gaddis physical therapist

"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 " - Granuphilin c2a

Granuphilin c2a

WebFeb 11, 2024 · Seventy percent of the world’s internet traffic passes through all of that fiber. That’s why Ashburn is known as Data Center Alley. The Silicon Valley of the east. The … 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.

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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! 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 …

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. 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).

WebAll 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 … WebInsights 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:

WebDec 20, 2006 · Instead, the C2 domains, particularly the C2A domain, of exophilin4 showed markedly higher phospholipid-binding activities than those of granuphilin. The …

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 … mark gabriel and associatesWebSynaptotagmin-like protein 4 (Slp-4), also known as granuphilin, is a Rab effector responsible for docking secretory vesicles to the plasma … mark gager bexar county interviewWebSep 1, 2014 · The granuphilin C2A domain shows significant protein-to-membrane FRET when added to liposomes closely resembling the lipid composition of the plasma … navy 1950s tv showsWebNov 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 … mark gaigg of hortonville wisWebCorvallis 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 ... mark gager bexar countyWebGranuphilin is a membrane binding protein responsible, in part, for docking insulin secretory vesicles to the plasma membrane. Granuphilin, also known as synaptotagmin … mark gaetz congressWebSep 1, 2014 · Granuphilin contains two C2 domains, C2A and C2B, that interact with the plasma membrane lipid phosphatidylinositol-(4,5)-bisphosphate [PI(4,5)P 2]. The goal of this study was to determine membrane-binding mechanisms, affinities, and kinetics of both granuphilin C2 domains using fluorescence spectroscopic techniques. navy 1mc announcements sounds