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SAB4200660

Sigma-Aldrich

Monoclonal Anti-GOLPH3 antibody produced in mouse

clone GOL3-1, purified from hybridoma cell culture

Synonym(s):

GOPP1, GPP34, MIDAS, golgi phosphoprotein 3 (coat-protein)

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

Quality Level

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

GOL3-1

form

buffered aqueous solution

mol wt

antigen ~34 kDa

species reactivity

human, mouse, rat

concentration

~1 mg/mL

technique(s)

immunoblotting: 2.5-5 μg/mL using using whole extracts of rat PC-12 cells.
immunofluorescence: 2.5-5 μg/mL using mouse 3T3 cells
immunoprecipitation (IP): 5-10 μg using using lysates of human HeLa cells

isotype

IgG1

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... GOLPH3(64083)
mouse ... Golph3(66629)
rat ... Golph3(78961)

General description

GOLPH3 (golgi phosphoprotein 3) is an abundant phosphatidylinositol-4-phosphate (PtdIns4P)-interacting protein which is conserved from yeast to humans. This protein is localized to Golgi through PtdIns4P. This gene is localized to human chromosome 5p13. GOLPH3 has a molecular weight of 34kDa.
Monoclonal Anti-GOLPH3 (mouse IgG1 isotype) is derived from the hybridoma GOL3-1 produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice. GOLPH3 (Golgi phosphoprotein 3) is a peripheral membrane protein of the Golgi stack that localizes to the trans-Golgi network. GOLPH3 is conserved from yeast to human. This gene was described as an oncogene that is commonly amplified in human cancer and in cancer cell lines.

Immunogen

synthetic peptide corresponding to a sequence at the N-terminal region of human Golph3

Application

Monoclonal Anti-GOLPH3 antibody produced in mouse has been used in:
  • immunoblotting
  • immunoprecipitation
  • immunofluorescence

Biochem/physiol Actions

GOLPH3 (golgi phosphoprotein 3) links Golgi membrane to actin cytoskeleton by interacting with MYO18A, which is an unconventional myosin. This, in turn, is crucial for Golgi architecture and vesicle trafficking. It is an oncogene, which is susceptible to amplification in cancers, and is responsible for controlling the response to the anti-cancer drug, rapamycin. It is thought to function as a coat protein during Golgi trafficking.
GOLPH3 has a role in Golgi trafficking and morphology. It interacts with the unconventional myosin MYO18A, linking Golgi membranes to the actin cytoskeleton. GOLPH3 is also required for Golgi function. Overexpression of GOLPH3 is correlated with hyperactivation of mTOR signaling, in human cancer cells.

Physical form

Solution in 0.01 M phos­phate buffered saline, pH 7.4, containing 15 mM sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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A W Bell et al.
The Journal of biological chemistry, 276(7), 5152-5165 (2000-10-24)
A mass spectrometric analysis of proteins partitioning into Triton X-114 from purified hepatic Golgi apparatus (84% purity by morphometry, 122-fold enrichment over the homogenate for the Golgi marker galactosyl transferase) led to the unambiguous identification of 81 proteins including a
Kenneth L Scott et al.
Nature, 459(7250), 1085-1090 (2009-06-26)
Genome-wide copy number analyses of human cancers identified a frequent 5p13 amplification in several solid tumour types, including lung (56%), ovarian (38%), breast (32%), prostate (37%) and melanoma (32%). Here, using integrative analysis of a genomic profile of the region
Holly C Dippold et al.
Cell, 139(2), 337-351 (2009-10-20)
Golgi membranes, from yeast to humans, are uniquely enriched in phosphatidylinositol-4-phosphate (PtdIns(4)P), although the role of this lipid remains poorly understood. Using a proteomic lipid-binding screen, we identify the Golgi protein GOLPH3 (also called GPP34, GMx33, MIDAS, or yeast Vps74p)

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