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Anti-GAPex 5 antibody (ab65929)

This fast track antibody is not yet fully characterised. It is subject to these terms and conditions

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Overview

Product name

Anti-GAPex 5 antibody
See all GAPex 5 products (2) ...

Description

Rabbit polyclonal to GAPex 5

This product is a fast track antibody. It has been affinity purified and shows high titre values against the immunizing peptide by ELISA. Read the terms of use »

Cross reactivity

Predicted to work with

Mouse, Cow, Human, Xenopus laevis

Immunogen

Synthetic peptide conjugated to KLH derived from within residues 1300 - 1400 of Mouse GAPex 5.

(Peptide available as ab74478.)

Properties

Form

Liquid

Storage instructions

Store at +4°C short term (1-2 weeks). Aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

Storage buffer

Preservative: 0.02% Sodium Azide
Constituents: 1% BSA, PBS, pH 7.4

Concentration

Concentration information loading...

Purity

Immunogen affinity purified

Clonality

Polyclonal

Isotype

IgG

  • Immunocytochemistry/ Immunofluorescence - GAPex 5 antibody (ab65929)Immunocytochemistry/ Immunofluorescence - GAPex 5 antibody (ab65929) image (enlarge)

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - GAPex 5 antibody (ab65929)Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - GAPex 5 antibody (ab65929) image (enlarge)

Applications

Application notes

This antibody gave a positive result in ELISA against the immunizing peptide (ab74478).
IF/ICC: See image below
IHC-P: See image below

Not yet tested in other applications.

Target

Relevance

GAPex 5 plays a role in several processes such as endocytosis, insulin receptor internalisation and LC2A4/GLUT4 trafficking. It acts as both a GTPase-activating protein (GAP) and a guanine nucleotide exchange factor (GEF). GAPex 5 is a GEF for the small G protein Rab31, promoting the exchange of GDP bound to Rab31 for GTP and thus regulating LC2A4/GLUT4 trafficking. In the absence of insulin, GAPex 5 maintains Rab31 in an active (GTP-bound) state, thereby promoting a futile cycle between LC2A4/GLUT4 storage vesicles and early endosomes, keeping LC2A4/GLUT4 inside the cells. Following insulin stimulation, GAPex 5 is translocated to the plasma membrane, enabling the release of LC2A4/GLUT4 from the intracellular storage vesicles. GAPex 5 is also involved in EGFR trafficking and degradation, and also has GEF activity for Rab5 and GAP activity for Ras.

Cellular localization

Cell Membrane (peripheral membrane protein) and Cytoplasmic

Alternative names

  • GAPEX5 antibody
  • GAPVD1 antibody
  • GTPase activating protein and VPS9 domains 1 antibody
  • KIAA1521 antibody
  • Rab5 activating protein 6 antibody
  • RAP6 antibody
see all

Anti-GAPex 5 antibody images:

This Fast-Track antibody is not yet fully characterised. These images represent inconclusive preliminary data.


  Immunocytochemistry/ Immunofluorescence - GAPex 5 antibody (ab65929)

Immunocytochemistry/ Immunofluorescence - GAPex 5 antibody (ab65929)

ICC/IF image of ab65929 stained MCF7 cells. The cells were 4% PFA fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab65929, 5µg/ml) overnight at +4°C. The secondary antibody (green) was Alexa Fluor® 488 goat anti-rabbit IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.This antibody also gave a positive IF result in xxxx cells. However, this Fast-Track antibody is not yet fully characterised. This image represents inconclusive preliminary data.

  Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - GAPex 5 antibody (ab65929)

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - GAPex 5 antibody (ab65929)

IHC image of ab65929 staining in human breast carcinoma formalin fixed paraffin embedded tissue section, performed on a Leica BondTM system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab65929, 5µg/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.

For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.

References for Anti-GAPex 5 antibody (ab65929)

ab65929 has not yet been referenced specifically in any publications.

Publishing research using ab65929? Please let us know so that we can cite the reference in this datasheet

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"