Granuphilin c2a
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, … 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).
Granuphilin c2a
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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 … 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 …
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 ... WebRab27a 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, …
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 … 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!
WebGranuphilin C2A displays a lateral diffusion constant comparable to other C2 domains. However, the diffusion of the granuphilin C2AB tandem on the same membrane appears to be slower; suggesting substantial PS contacts for the C2B domain within the C2AB tandem. This effect represents a weak
business ghoulWebApr 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 … business ghostwritingWeband 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 business giants of nepalWebDec 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 … handwriting recognition tablet pcWebNov 5, 1990 · Granuphilin, a tandem C2 domain containing protein, mediates the docking of insulin granules onto plasma membrane. The 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 domain to PI(4,5)P2 head group, and further … business giants synonymWebSep 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 … business ghana real estateWebMay 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 … handwriting recognition software for pc