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Rabbit polyclonal GBF1 antibody (A8468)
Supplier: ABclonal Inc.
Recommended applications: WB,IHC
WB 1:500 – 1:2000 IHC 1:50 – 1:100
Recommended protocols: check protocols
Click or hover above images to see image description for Rabbit polyclonal GBF1 antibody.
Check alternative names for the antibodyExpand
ARF1GEF antibody|BFA resistant GEF 1 antibody|BFA-resistant GEF 1 antibody|FLJ21263 antibody|FLJ21500 antibody|GBF1 antibody|GBF1_HUMAN antibody|golgi brefeldin A resistant guanine nucleotide exchange factor 1 antibody|Golgi specific brefeldin A resistance factor 1 antibody|Golgi specific Brefeldin A-resistance factor antibody|Golgi-specific brefeldin A-resistance guanine nucleotide exchange antibody|Golgi-specific brefeldin A-resistance guanine nucleotide exchange factor 1 antibody|KIAA0248 antibody|MGC134877 antibody|MGC134878 antibody|Anti-GBF1 antibody (ab86071)
SCBT cat No: sc-136240|sc-27940|sc-27938|
Rabbit polyclonal GBF1 antibody
|Catalogue No.|| |
Recombinant protein of human GBF1
|Recommended dilution|| |
WB 1:500 – 1:2000
|Molecular weight|| |
Predicted: 206kDa/Observed: Refer to figures
GBF1 antibody was tube-contained.
GBF1 antibody was purified using affinity purification.
Store at -20 Celsius degree. Avoid freeze / thaw cycles.
|Alternative antibody names|| |
|Database links|| |
|Protein names|| |
|Protein function|| |
Guanine-nucleotide exchange factor (GEF) for members of the Arf family of small GTPases involved in trafficking in the early secretory pathway; its GEF activity initiates the coating of nascent vesicles via the localized generation of activated ARFs through replacement of GDP with GTP. Recruitment to cis-Golgi membranes requires membrane association of Arf-GDP and can be regulated by ARF1, ARF3, ARF4 and ARF5. Involved in the recruitment of the COPI coat complex to the endoplasmic reticulum exit sites (ERES), and the endoplasmic reticulum-Golgi intermediate (ERGIC) and cis-Golgi compartments which implicates ARF1 activation. Involved in COPI vesicle-dependent retrograde transport from the ERGIC and cis-Golgi compartments to the endoplasmatic reticulum (ER) . Involved in the trans-Golgi network recruitment of GGA1, GGA2, GGA3, BIG1, BIG2, and the AP-1 adaptor protein complex related to chlathrin-dependent transport; the function requires its GEF activity (probably at least in part on ARF4 and ARF5) . Has GEF activity towards ARF1 . Has in vitro GEF activity towards ARF5 (By similarity). Involved in the processing of PSAP . Required for the assembly of the Golgi apparatus . The AMPK-phosphorylated form is involved in Golgi disassembly during mitotis and under stress conditions . May be involved in the COPI vesicle-dependent recruitment of PNPLA2 to lipid droplets; however, this function is under debate . In neutrophils, involved in G protein-coupled receptor (GPCR)-mediated chemotaxis und superoxide production. Proposed to be recruited by phosphatidylinositol-phosphates generated upon GPCR stimulation to the leading edge where it recruits and activates ARF1, and is involved in recruitment of GIT2 and the NADPH oxidase complex .
|Protein tissue specificity|| |
|Protein sequence and domain|| |
The DCB (dimerization and cyclophiln-binding) and HUS (homology upstream of Sec7) domains are necessary for dimerization. The DCB domain is proposed to support constitutive homodimerization; the HUS domain interacts with the DCB domain which may occur intramolecular or intermolecuar (By similarity).Contains 1 SEC7 domain.
|Protein post-translational modifications|| |
AMPK-mediated phosphorylation at Thr-1337 is induced by 2-deoxyglucose (2-DG) and AICA ribonucleotide, and occurs during mitosis leading to membrane disassociation and inactivation of ARF1 during mitosis.
|Protein cellular localization|| |
Golgi apparatus, cis-Golgi network . Endoplasmic reticulum-Golgi intermediate compartment . Golgi apparatus, trans-Golgi network . Cytoplasm . Lipid droplet . Membrane; Peripheral membrane protein . Note: Cycles rapidly on and off early Golgi membranes . Stabilized on membranes when complexed with ARF1-GDP and is released from both ARF1 and membranes after it catalyzes GDP displacement and ARF1 binds GTP. Continuous cycles of recruitment and dissociation of GBF1 to membranes are required for sustained ARF activation and COP I recruitment . In neutrophils is translocated from the Golgi to the leading edge upon GPCR stimulation . Localization to lipid droplets is questionable .
This gene encodes a member of the Sec7 domain family. The encoded protein is a guanine nucleotide exchange factor that regulates the recruitment of proteins to membranes by mediating GDP to GTP exchange. The encoded protein is localized to the Golgi apparatus and plays a role in vesicular trafficking by activating ADP ribosylation factor 1. The encoded protein has also been identified as an important host factor for viral replication. Multiple transcript variants have been observed for this gene.
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|Product type|| |
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