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Anti-PMCA2 Antibody

Plasma membrane Ca2+ ATPase 2, ATP2B2

Cat #: ACP-002
Alternative Name Plasma membrane Ca2+ ATPase 2, ATP2B2
Lyophilized Powder yes
Type: Polyclonal
Host: Rabbit
Reactivity: m, r
May also work in: h*
  • Peptide (C)KEIPDPSSINAKTLE, corresponding to amino acid residues 522-536 of rat PMCA2 (Accession P11506). 2nd intracellular loop.
Accession (Uniprot) Number P11506
Gene ID 24215
Peptide confirmation Confirmed by amino acid analysis and mass spectrometry.
Homology Mouse - identical; human - 13/15 amino acid residues identical.
RRID AB_2340922.
Purity Affinity purified on immobilized antigen.
Form Lyophilized powder. Reconstituted antibody contains phosphate buffered saline (PBS), pH 7.4, 1% BSA, 0.05% NaN3.
Isotype Rabbit IgG.
Storage before reconstitution The antibody ships as a lyophilized powder at room temperature. Upon arrival, it should be stored at -20°C.
Reconstitution 50 µl or 0.2 ml double distilled water (DDW), depending on the sample size.
Antibody concentration after reconstitution 0.8 mg/ml.
Storage after reconstitution The reconstituted solution can be stored at 4°C for up to 1 week. For longer periods, small aliquots should be stored at -20°C. Avoid multiple freezing and thawing. Centrifuge all antibody preparations before use (10000 x g 5 min).
Standard quality control of each lot Western blot analysis.
Applications: wb
May also work in: ic*, ifc*, ih*, ip*
Western blot
  • Western blot analysis of rat (lanes 1 and 3) and mouse (lanes 2 and 4) brain membranes:
    Western blot analysis of rat (lanes 1 and 3) and mouse (lanes 2 and 4) brain membranes:
    1,2. Anti-PMCA2 Antibody (#ACP-002), (1:400).
    3,4. Anti-PMCA2  Antibody, preincubated with PMCA2 Blocking Peptide (#BLP-CP002).
  1. Jensen, T.P. et al. (2004) Brain Res. Dev. Brain Res. 152, 129.
  2. Strehler, E.E. and Zacharias, D.A. (2001) Physiol. Rev. 81, 21.
  3. Talarico, E.F. et al. (2005) Mol. Vis. 11, 169.
  4. Jensen, T.P. et al. (2007) J. Physiol. 579, 85.
  5. Burette, A. and Weinberg, R.J. (2007) J. Comp. Neurol. 500, 1127.
Scientific background

The plasma membrane calcium ATPase (PMCA) is a transport protein in the plasma membrane of cells responsible for removing calcium (Ca2+) from the cell. This pump is vital for regulating the amount of Ca2+ within cells1.

The PMCA and the sodium/calcium exchanger (NCX) are together the main regulators of intracellular Ca2+ concentrations2.

Since it transports Ca2+ into the extracellular space, the PMCA is also an important regulator of the Ca2+ concentration in the extracellular space3.

The PMCA belongs to a family of P-type primary ion transport ATPases, and is expressed in a variety of tissues, including the brain4.

The pump is powered by the hydrolysis of adenosine triphosphate (ATP), with a stoichiometry of one Ca2+ ion removed for each molecule of ATP hydrolyzed. It binds to Ca2+ ions with a high affinity (a Km of 100 to 200 nM) but does not remove Ca2+ at a very fast rate. This is in contrast to the NCX, which has a low affinity and a high capacity. Thus, the PMCA is effective at binding Ca2+ even when its concentration within the cell is very low, and so is suited to maintaining Ca2+ at its normally very low levels. The NCX is better suited to removing large amounts of Ca2+ quickly, as it is needed in neurons after an action potential. Thus the activities of the two types of pump complement each other5.

Application key:

CBE- Cell-based ELISA, FC- Flow cytometry, ICC- Immunocytochemistry, IE- Indirect ELISA, IF- Immunofluorescence, IFC- Indirect flow cytometry, IHC- Immunohistochemistry, IP- Immunoprecipitation, LCI- Live cell imaging, N- Neutralization, WB- Western blot

Species reactivity key:

H- Human, M- Mouse, R- Rat
Last update: 08/01/2023

Alomone Labs is pleased to offer a highly specific antibody directed against an epitope of rat PMCA2. Anti-PMCA2 Antibody (#ACP-002) can be used in western blot analysis and has been designed to recognize PMCA2 from mouse, rat and human samples.

For research purposes only, not for human use



Scientific Background

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