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Rabbit polyclonal RAB1B antibody (A7514)
Supplier: ABclonal Inc.
Recommended applications: WB,IHC
WB 1:500 – 1:2000 IHC 1:50 – 1:200
Recommended protocols: check protocols
Click or hover above images to see image description for Rabbit polyclonal RAB1B antibody.
Check alternative names for the antibodyExpand
RAB1B antibody|Small GTP binding protein antibody|Anti-RAB1B antibody (ab76721)
SCBT cat No: sc-599|sc-130474|
Rabbit polyclonal RAB1B antibody
|Catalogue No.|| |
Human, Mouse, Rat
Recombinant protein of human RAB1B
|Recommended dilution|| |
WB 1:500 – 1:2000
|Molecular weight|| |
Predicted: 22kDa/Observed: Refer to figures
RAB1B antibody was tube-contained.
RAB1B antibody was purified using affinity purification.
Store at -20 Celsius degree. Avoid freeze / thaw cycles.
|Database links|| |
|Protein function|| |
The small GTPases Rab are key regulators of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes. Rabs cycle between an inactive GDP-bound form and an active GTP-bound form that is able to recruit to membranes different set of downstream effectors directly responsible for vesicle formation, movement, tethering and fusion. RAB1B regulates vesicular transport between the endoplasmic reticulum and successive Golgi compartments. Plays a role in the initial events of the autophagic vacuole development which take place at specialized regions of the endoplasmic reticulum.
|Protein sequence and domain|| |
Belongs to the small GTPase superfamily. Rab family.
|Protein post-translational modifications|| |
Prenylated; by GGTase II, only after interaction of the substrate with Rab escort protein 1 (REP1).; AMPylation at Tyr-77 by L.pneumophila DrrA occurs in the switch 2 region and leads to moderate inactivation of the GTPase activity. It appears to prolong the lifetime of the GTP state of RAB1B by restricting access of GTPase effectors to switch 2 and blocking effector-stimulated GTP hydrolysis, thereby rendering RAB1B constitutively active. It is later de-AMPylated by L.pneumophila SidD, releasing RAB1B from bacterial phagosomes.; Phosphocholinated at Ser-76 by L.pneumophila AnkX, leading to displace GDP dissociation inhibitors (GDI). Both GDP-bound and GTP-bound forms can be phosphocholinated. Dephosphocholinated by L.pneumophila Lem3, restoring accessibility to L.pneumophila GTPase effector LepB.
|Protein cellular localization|| |
Cytoplasm . Membrane ; Lipid-anchor ; Cytoplasmic side . Preautophagosomal structure membrane ; Lipid-anchor ; Cytoplasmic side . Note: Targeted by REP1 to membranes of specific subcellular compartments including endoplasmic reticulum, Golgi apparatus, and intermediate vesicles between these two compartments. In the GDP-form, colocalizes with GDI in the cytoplasm (By similarity).
Members of the RAB protein family, such as RAB1B, are low molecular mass monomeric GTPases localized on the cytoplasmic surfaces of distinct membrane-bound organelles. RAB1B functions in the early secretory pathway and is essential for vesicle transport between the endoplasmic reticulum (ER) and Golgi (Chen et al., 1997
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|Product type|| |
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