V-ATPase, A | vacuolar H+-ATPase subunit A

440 €

AS09 502 | clonality: polyclonal | host: rabbit | reactivity: Acetabularia sp. Hordeum vulgare, Oryza sativa, Pinus sylvestris, Pyrus sp. , Ricinus communis


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AS09 502

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product information

V-ATPase subunit A is a catalytic subunit of V1 complex of vacuolar ATPase. This enzyme (EC= is involved in acidification process of various compartements of eucaryotic cell.  This protein is coded by VHA-A gene. Alternative names: Vacuolar proton pump subunit alpha, vacuolar H(+)-ATPase subunit A, V-ATPase 69 kDa subunit


Purified native V-ATPase subunit A from Ricinus communis, B9RHV0

Host Rabbit
Clonality Polyclonal
Purity Serum
Quantity 100 ĩl

store at -20°C; make aliquots to avoid repeated freeze-thaw cycles. Please, remember to spin tubes briefly prior to opening them to avoid any losses that might occur from material adhering to the cap or sides of the tubes.

Tested applications ELISA (ELISA), western blot (WB)
Related products

collection of antibodies to vacuolar proteins

AS09 467 | anti-V-ATPase subunit A | vacuolar H+-ATPase

AS09 503 | anti-V-ATPase, B | vacuolar ATP synthase subunit beta

AS09 468 | anti-V-ATPase subunit c | vacuolar H+-ATPase, subunit c (16 kDa)

ASS09 497 | anti- V-ATPase subunit D |V-type proton ATPase subunit D

AS07 213 | anti-V-ATPase subunit E of tonoplast H+ATPase

AS09 499 | anti-V-ATPase subunit H |V-type proton ATPase subunit H

Plant protein extraction buffer

Secondary antibodies

Additional information

0.1 % sodium azide is added as preservative. For antibody re-suspending information check the tube lable.

Antibodies will detect target protein in a few  µg of a crude preparation loaded per well. If purified preparations of vacuolar and plasma membranes are used, one µg load per well should be sufficient.

Protocol for isolation of vacuolar membranes can be found here.

application information
Recommended dilution

1: 8000 (ELISA), 1: 2000 with standard ECL (WB)

Expected | apparent MW

63 | 68 kDa (Ricinus communis)

Confirmed reactivity

Acetabularia sp. Hordeum vulgare, Oryza sativa, Pinus sylvestris, Pyrus sp. , Ricinus communis

Predicted reactivity

dicots including:Arabidopsis thaliana, Cucumis sativus, Gossypium mexicanum, Vitis vinifera, monocots including: Hordeum vulgare, trees: Populus trichocarpa

Not reactive in

no confirmed exceptions from predicted reactivity known in the moment

Additional information

Protein or membrane sample should be treated at 70°C for 10 min before loading on the gel.

Diluted antibody solution can be used 2 to 3 times within one month if it  contains 0.1 % sodium azide as preservative and is stored at -20ºC to -80ºC.

Manufactured by Operon Biotechnologies.

Selected references

Kawamura et al. (2000). Tissue specificity of E subunit isoforms of plant vacuolar H(+)-ATPase and existence of isotype enzymes. J.Biol. Chem. 275:6515-6522. Nakanishi &  Maeshima (1998). Molecular cloning of vacuolar H(+)-pyrophosphatase and its developmental expression in growing hypocotyl of mung bean. Plant Physiol. 116:589-597. Smart et al. (1998). Genes involved in osmoregulation during turgor-driven cell expansion of developing cotton fibers are differentially regulated. Plant Physiol. 116:1539-1549. Matsuura-Eno et al. (1992). Mechanism of the Decline in Vacuolar H -ATPase Activity in Mung Bean Hypocotyls during Chilling. Plant Physiology 100:718-722.

application example



65 µg/lane of purified vacuolar membranes from Vigna radiata L. (1,3)and purified V-ATPase, 7.4 µg/lane(2,4)  were separated on 12 % SDS-PAGE and blotted 1h to PVDF membrane (40 min. at 10 V using BioRad semidry transfer). Filters were blocked 1h with 5 % low-fat milk powder in TBS-T (0.05% Triton X.100). Membranes were washed 5 times with TBS-T, each time in a fresh polystyrene box and probed with anti-V-ATPase subunit A antibodies (AS09 502, 1:2000, 1h) and secondary anti-rabbit (1:2000, 1 h). All steps were performed in RT with agitation.

CBB - staining with Coomasie blue - left panel. Immunoblot - western blot detectoin - right panel.


  western blot using anti-V-ATPase subunit A antibodies

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