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SAB4200025

Sigma-Aldrich

Anti-VPS4 antibody produced in rabbit

~1.0 mg/mL, affinity isolated antibody, buffered aqueous solution

Synonym(s):

Anti-Vacuolar protein sorting 4

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~50 kDa

species reactivity

rat, human, mouse

concentration

~1.0 mg/mL

technique(s)

immunoprecipitation (IP): 2-4 μg using lysates of human HeLa cells
western blot: 1-2 μg/mL using whole extracts of mouse 3T3 or rat NRK cells

UniProt accession no.

Q9UN37

application(s)

research pathology

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... VPS4A(27183)
mouse ... Vps4a(116733)
rat ... Vps4a(246772)

General description

Vacuolar protein sorting-associated protein 4 (Vps4) is a member of the AAA protein family (ATPases associated with diverse cellular activities). Vps4 exists as two orthologs in humans (VPS4A and VPS4B). The gene encoding Vps4A is mapped to chromosome 16q22, while the gene for Vps4B resides on chromosome 18q21-q22.

Specificity

Anti-VPS4 recognizes human, mouse, and rat VPS4A and VPS4B.

Application

Anti-VPS4 antibody has been used in
  • immunoprecipitation
  • immunofluorescence Confocal Microscopy
  • immunohistochemistry
  • western blotting

Biochem/physiol Actions

Vacuolar protein sorting-associated protein 4 (VPS4) mediates endosomal membrane protein sorting, retroviral budding and cytokinesis by recognizing membrane-associated ESCRT-III assemblies and catalyzing their disassembly.

Physical form

Solution in 0.01 M phosphate buffered saline pH 7.4, containing 15 mM sodium azide.

Storage and Stability

Store at –20 °C. For continuous use, the product may be stored at 2–8 °C for up to one month. For extended storage, freeze in working aliquots at –20 °C. Repeated freezing and thawing is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Shimon Harel et al.
Biophysical journal, 121(21), 4229-4238 (2022-09-01)
The assembly and budding of newly formed human immunodeficiency virus-1 (HIV-1) particles occur at the plasma membrane of infected cells. Although the molecular basis for viral budding has been studied extensively, investigation of its spatiotemporal characteristics has been limited by
ANCHR mediates Aurora-B-dependent abscission checkpoint control through retention of VPS4
Thoresen SB, et al.
Nature Cell Biology, 16(6), 550-560 (2014)
The AAA-ATPase VPS4 regulates extracellular secretion and lysosomal targeting of alpha-synuclein
Hasegawa T, et al.
PLoS ONE, 6(12), e29460-e29460 (2011)
Aiqin Hu et al.
BMC genetics, 20(1), 7-7 (2019-01-13)
Vacuolar protein sorting-associated protein 4B (VPS4B) is a member of the ATP enzyme AAA protein family, and is mainly involved in protein degradation and cell membrane fusion. Recently, a dominant mutation in this gene was identified in human dentin dysplasia
VPS4 is a dynamic component of the centrosome that regulates centrosome localization of $\gamma$-tubulin, centriolar satellite stability and ciliogenesis
Ott C, et al.
Scientific reports, 8(1), 3353-3353 (2018)
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