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GM130 Antibody

Rabbit Monoclonal Antibody

  • WB - GM130 Antibody AJ1327b
    A. Western blot analysis on HeLa cell lysate using anti-GM130 RabMAb (Cat. #AJ1327b), dilution 1:1000
Product Information
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
Primary Accession Q08379
Reactivity Human
Host Rabbit
Clonality Monoclonal
Clone Names EP818Y
Calculated MW 113086 Da
Gene ID 2801
Other Names Golgin subfamily A member 2, 130 kDa cis-Golgi matrix protein, GM130, GM130 autoantigen, Golgin-95, GOLGA2
Target/Specificity A synthetic peptide corresponding to residues in human Golgi Matrix Protein (GM130) was used as a immunogen.
Dilution WB~~1:500~1000
Format 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsGM130 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Function Peripheral membrane component of the cis-Golgi stack that acts as a membrane skeleton that maintains the structure of the Golgi apparatus, and as a vesicle thether that facilitates vesicle fusion to the Golgi membrane. Together with p115/USO1 and STX5, involved in vesicle tethering and fusion at the cis-Golgi membrane to maintain the stacked and inter-connected structure of the Golgi apparatus. Plays a central role in mitotic Golgi disassembly: phosphorylation at Ser-37 by CDK1 at the onset of mitosis inhibits the interaction with p115/USO1, preventing tethering of COPI vesicles and thereby inhibiting transport through the Golgi apparatus during mitosis (By similarity). Also plays a key role in spindle pole assembly and centrosome organization (PubMed:26165940). Promotes the mitotic spindle pole assembly by activating the spindle assembly factor TPX2 to nucleate microtubules around the Golgi and capture them to couple mitotic membranes to the spindle: upon phosphorylation at the onset of mitosis, GOLGA2 interacts with importin-alpha via the nuclear localization signal region, leading to recruit importin- alpha to the Golgi membranes and liberate the spindle assembly factor TPX2 from importin-alpha. TPX2 then activates AURKA kinase and stimulates local microtubule nucleation. Upon filament assembly, nascent microtubules are further captured by GOLGA2, thus linking Golgi membranes to the spindle (PubMed:19242490, PubMed:26165940). Regulates the meiotic spindle pole assembly, probably via the same mechanism (By similarity). Also regulates the centrosome organization (PubMed:18045989, PubMed:19109421). Also required for the Golgi ribbon formation and glycosylation of membrane and secretory proteins (PubMed:16489344, PubMed:17314401).
Cellular Location Golgi apparatus, cis-Golgi network membrane; Peripheral membrane protein {ECO:0000250|UniProtKB:Q62839}. Cytoplasm, cytoskeleton, spindle pole. Note=Peripheral membrane protein associated with cis-Golgi stacks (By similarity) Associates with the mitotic spindle during mitosis (PubMed:26165940). {ECO:0000250|UniProtKB:Q62839, ECO:0000269|PubMed:26165940}
Research Areas
Citations (0)

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Golgi Matrix Protein (GM130) is peripheral cytoplasmic protein that is bound to the Golgi membranes. It has been implicated as a maintainer of cis-Golgi structure (1). During mitosis, it regulates the disassembly and reassembly of the Golgi complex. It is also linked to docking and fusion of coatomer (COP I) coated vesicles to the Golgi membrane (2). The COOH-terminal domain of GM130 is highly homologous to Golgi human auto-antigen, golgin-95. GM130 interacts specifically and GTP-dependent manner with Rab1b protein, a regulator of anterograde traffic between ER and Golgi membranes (3). GM130 is also activator of YSK1, an essential player in cell migration.


1. Nakamura N, et al. J Cell Biol 131:1715-1726, 1995
2. Warren G, Annual Rev Biochem 62:323-348, 1993
3. Weide T, et al. EMBO Rep 2:336-341, 2001

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Cat# AJ1327b

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