Recombinant Human RAPGEF2 protein (ab160611)


  • Product name
    Recombinant Human RAPGEF2 protein
  • Protein length
    Protein fragment


  • Nature
  • Source
    Wheat germ
  • Amino Acid Sequence
    • Species
    • Sequence
    • Amino acids
      1398 to 1487
    • Tags
      proprietary tag N-Terminus


Our Abpromise guarantee covers the use of ab160611 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • Applications


    Western blot

  • Form
  • Additional notes
    Protein concentration is above or equal to 0.05 mg/ml.
  • Concentration information loading...

Preparation and Storage

  • Stability and Storage

    Shipped on dry ice. Upon delivery aliquot and store at -80ºC. Avoid freeze / thaw cycles.

    pH: 8.00
    Constituents: 0.31% Glutathione, 0.79% Tris HCl

General Info

  • Alternative names
    • CNrasGEF
    • Cyclic nucleotide ras GEF
    • KIAA0313
    • Neural RAP guanine nucleotide exchange protein
    • nRap GEP
    • PDZ domain containing guanine nucleotide exchange factor 1
    • PDZ domain-containing guanine nucleotide exchange factor 1
    • PDZ GEF1
    • PDZ-GEF1
    • PDZGEF1
    • RA GEF
    • RA-GEF-1
    • Rap guanine nucleotide exchange factor 2
    • Rapgef2
    • Ras/Rap1-associating GEF-1
    see all
  • Function
    Functions as a guanine nucleotide exchange factor (GEF), which activates Rap and Ras family of small GTPases by exchanging bound GDP for free GTP in a cAMP-dependent manner. Serves as a link between cell surface receptors and Rap/Ras GTPases in intracellular signaling cascades. Acts also as an effector for Rap1 by direct association with Rap1-GTP thereby leading to the amplification of Rap1-mediated signaling. Shows weak activity on HRAS. It is controversial whether RAPGEF2 binds cAMP and cGMP (PubMed:23800469, PubMed:10801446) or not (PubMed:10608844, PubMed:10548487, PubMed:11359771). Its binding to ligand-activated beta-1 adrenergic receptor ADRB1 leads to the Ras activation through the G(s)-alpha signaling pathway. Involved in the cAMP-induced Ras and Erk1/2 signaling pathway that leads to sustained inhibition of long term melanogenesis by reducing dendrite extension and melanin synthesis. Provides also inhibitory signals for cell proliferation of melanoma cells and promotes their apoptosis in a cAMP-independent nanner. Regulates cAMP-induced neuritogenesis by mediating the Rap1/B-Raf/ERK signaling through a pathway that is independent on both PKA and RAPGEF3/RAPGEF4. Involved in neuron migration and in the formation of the major forebrain fiber connections forming the corpus callosum, the anterior commissure and the hippocampal commissure during brain development. Involved in neuronal growth factor (NGF)-induced sustained activation of Rap1 at late endosomes and in brain-derived neurotrophic factor (BDNF)-induced axon outgrowth of hippocampal neurons. Plays a role in the regulation of embryonic blood vessel formation and in the establishment of basal junction integrity and endothelial barrier function. May be involved in the regulation of the vascular endothelial growth factor receptor KDR and cadherin CDH5 expression at allantois endothelial cell-cell junctions.
  • Tissue specificity
    Expressed in primary neuronal and endocrine cells (at protein level). Highest expression levels in brain. Lower expression levels in heart, kidney, lung, placenta and blood leukocytes.
  • Sequence similarities
    Belongs to the RAPGEF2 family.
    Contains 1 cyclic nucleotide-binding domain.
    Contains 1 N-terminal Ras-GEF domain.
    Contains 1 PDZ (DHR) domain.
    Contains 1 Ras-associating domain.
    Contains 1 Ras-GEF domain.
  • Domain
    The Ras-associating domain is necessary for the Rap guanine nucleotide exchange activity. The N-terminal regionis necessary for cAMP-binding. The PDZ domain is necessary for its targeting to the cell membrane.
  • Post-translational
    Ubiquitinated by NEDD4, leading to proteasomal degradation.
    Phosphorylation by PLK2 promotes its activity.
  • Cellular localization
    Cytoplasm. Cytoplasm, perinuclear region. Cell membrane. Late endosome. Cell junction. Associated with the synaptic plasma membrane. Colocalizes with ADRB1 at the plasma membrane. Synaptosome. Enriched in synaptic plasma membrane and neuronal cell body. Colocalized with CTNNB1 at cell-cell contacts (By similarity). Localized diffusely in the cytoplasm before neuronal growth factor (NGF) stimulation. Recruited to late endosomes after NGF stimulation. Colocalized with the high affinity nerve growth factor receptor NTRK1 at late endosomes. Translocated to the perinuclear region in a RAP1A-dependent manner. Translocated to the cell membrane.
  • Information by UniProt


  • ab160611 on a 12.5% SDS-PAGE stained with Coomassie Blue.


ab160611 has not yet been referenced specifically in any publications.

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