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Invitrogen™ PMCA4 ATPase Monoclonal Antibody (JA9)

Mouse Monoclonal Antibody

Supplier:  Invitrogen™ MA1914

Catalog No. MA1914


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Description

Description

MA1-914 specifically detects plasma membrane calcium pump PMCA4 ATPase from human, bovine, porcine and rat tissues. MA1-914 has been successfully used in Western blot, immunohistochemistry and ELISA procedures. By Western blot, this antibody detects an ~129 kDa and an ~133 kDa protein representing PMCA4b and PMCA4a ATPase, respectively. The MA1-914 antigen is purified human erythrocyte PMCA ATPase. The epitope for this antibody has been mapped to amino acids 51-75 of PMCA4 ATPase. This sequence is common to both PMCA4a and 4b ATPase.

The calcium pump of the plasma membrane, termed PMCA ATPase, pumps calcium from the cytosol to the extracellular space. This membrane-bound enzyme is related to a number of other ATPases including the SERCA ATPase and the sodium/K+ pump. There are four different genes encoding PMCA ATPase and studies have revealed 20 isoforms of the pump generated by alternate splicing of the primary gene products. mRNA distribution studies show that gene products 1 and 4 are transcribed in most tissues, however, products 2 and 3 are more tissue specific. Transcription of the splicing variants has also been found to be tissue specific. In the pancreas, where insulin secretion is calcium dependent, the beta cells only express the 4b isoform, however the alpha and gamma cells express both 4a and 4b isoforms. Studies have also shown that different splice variants have different affinities for calcium and calmodulin (Cat. # MA3-917 and MA3-918).
TRUSTED_SUSTAINABILITY
Specifications

Specifications

PMCA4 ATPase
Monoclonal
1 mg/mL
PBS with 1 mg/mL BSA and 0.05% sodium azide
D3K0R6, P23634, Q64542
Atp2b4
Purified human erythrocyte PMCA.
100 μg
Primary
Human, Rat, Bovine, Pig
Antibody
IgG1
ELISA, Flow Cytometry, Immunohistochemistry (Frozen), Immunohistochemistry (Paraffin), Western Blot, Immunocytochemistry
JA9
Unconjugated
Atp2b4
ATP2B2; ATP2B4; ATPase plasma membrane Ca2+ transporting 4; ATPase, Ca++ transporting, plasma membrane 4; ATPase, Ca++ transporting, plasma membrane 4 ATP synthase, H+ transporting, mitochondrial F1; ATPase, Ca++ transporting, plasma membrane 4 tv2; matrix-remodeling-associated protein 1; MXRA1; plasma membrane Ca2+-ATPases 4; plasma membrane calcium ATPase; plasma membrane calcium ATPase 4; plasma membrane calcium ATPase 4 variant b; Plasma membrane calcium ATPase isoform 4; plasma membrane calcium pump; Plasma membrane calcium pump isoform 4; plasma membrane calcium-pumping ATP-ase; plasma membrane calcium-transporting ATPase 4; PMCA4; PMCA4b; PMCA4x; sarcolemmal calcium pump
Mouse
Purified
RUO
100623420, 282146, 29600, 493
-20°C, Avoid Freeze/Thaw Cycles
Liquid
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