Molecular weight (DA)
56kD
Immunogen
Synthesized peptide derived from part region of human protein
Specificity
VATB2 Polyclonal Antibody detects endogenous levels of protein.
Formulation
Liquid in PBS containing 50% glycerol, and 0.02% sodium azide.
Dilution rate
WB 1:500-2000 ELISA 1:5000-20000
Purification process (Immunogen)
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Background
This gene encodes a component of vacuolar ATPase (V-ATPase), a multisubunit enzyme that mediates acidification of eukaryotic intracellular organelles. V-ATPase dependent organelle acidification is necessary for such intracellular processes as protein sorting, zymogen activation, receptor-mediated endocytosis, and synaptic vesicle proton gradient generation. V-ATPase is composed of a cytosolic V1 domain and a transmembrane V0 domain. The V1 domain consists of three A, three B, and two G subunits, as well as a C, D, E, F, and H subunit. The V1 domain contains the ATP catalytic site. The protein encoded by this gene is one of two V1 domain B subunit isoforms and is the only B isoform highly expressed in osteoclasts. [provided by RefSeq, Jul 2008],
Function
function:Non-catalytic subunit of the peripheral V1 complex of vacuolar ATPase. V-ATPase is responsible for acidifying a variety of intracellular compartments in eukaryotic cells.,similarity:Belongs to the ATPase alpha/beta chains family.,subcellular location:Endomembrane. Identified by mass spectrometry in melanosome fractions from stage I to stage IV.,subunit:V-ATPase is an heteromultimeric enzyme composed of a peripheral catalytic V1 complex (main components: subunits A, B, C, D, E, and F) attached to an integral membrane V0 proton pore complex (main component: the proteolipid protein).,
Gene Name
ATP6V1B2 ATP6B2 VPP3
Protein name
V-type proton ATPase subunit B, brain isoform (V-ATPase subunit B 2) (Endomembrane proton pump 58 kDa subunit) (HO57) (Vacuolar proton pump subunit B 2)
Fields
>>Oxidative phosphorylation;>>Metabolic pathways;>>Phagosome;>>mTOR signaling pathway;>>Synaptic vesicle cycle;>>Collecting duct acid secretion;>>Vibrio cholerae infection;>>Epithelial cell signaling in Helicobacter pylori infection;>>Human papillomavirus infection;>>Rheumatoid arthritis
Human protein sequence Database
P21281
Mouse protein sequence database
P62814
Rat protein sequence database
P62815
Cellular localization
Apical cell membrane . Melanosome . Cytoplasm . Cytoplasmic vesicle, secretory vesicle, synaptic vesicle membrane ; Peripheral membrane protein . Cytoplasmic vesicle, clathrin-coated vesicle membrane ; Peripheral membrane protein . Identified by mass spectrometry in melanosome fractions from stage I to stage IV. .
Tissue expression
Kidney; localizes to early distal nephron, encompassing thick ascending limbs and distal convoluted tubules (at protein level).
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