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Key Documents

SAB4200173

Sigma-Aldrich

Anti-Rab18 antibody produced in rabbit

~1.0 mg/mL, affinity isolated antibody

Synonyme(s) :

Anti-RAB18LI1, Anti-ras-related protein Rab-18

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About This Item

Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

rabbit

Conjugué

unconjugated

Forme d'anticorps

affinity isolated antibody

Type de produit anticorps

primary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Poids mol.

~23 kDa (an additional band at ∼43 kDa may appear in some extract preparations)

Espèces réactives

rat, mouse, human

Concentration

~1.0 mg/mL

Technique(s)

immunoprecipitation (IP): 5-10 μg using lysates of human PC3 cells
indirect immunofluorescence: 2.5-5.0 μg/mL using rat NRK cells
western blot: 1-2 μg/mL using whole extracts of mouse MM3MG cells

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... RAB18(22931)
mouse ... Rab18(19330)
rat ... Rab18(307039)

Description générale

Rab18 is a member of the Rab family of small guanosine triphosphatases (GTPases). The Rab family belongs to the Ras superfamily of small guanosine triphosphatases (GTPases). Rab proteins contain conserved regions involved in guanine-nucleotide binding, and hypervariable C-terminal domains with a cysteine motif.

Application

Anti-Rab18 antibody produced in rabbit has been used in:
  • immunoblotting
  • immunoprecipitation
  • immunofluorescence

Actions biochimiques/physiologiques

Rab guanosine triphosphatases (Rab GTPases) are central regulators of membrane trafficking between different subcellular compartments of eukaryotic cells. Their regulatory capacity depends on their ability to cycle between the guanosine diphosphate (GDP)-bound inactive and GTP-bound active states. Activation of a Rab protein is coupled to its association with intracellular membranes. Through their effector proteins, Rab GTPases regulate vesicle formation, actin- and tubulin-dependent vesicle movement and membrane fusion. The conserved regions of Rab proteins are implicated in subcellular targeting. Each Rab protein shows a characteristic subcellular distribution. Therefore, antibodies to Rab proteins may serve as useful tool for studying subcellular localization and membrane organization. Rab18 is involved in retrograde Golgi-endoplasmic reticulum (ER) trafficking.

Forme physique

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

Clause de non-responsabilité

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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Code de la classe de stockage

10 - Combustible liquids

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Characterization of Rab18, a lipid droplet-associated small GTPase
Martin S and Parton RG
Test, 438, 109-129 (2008)
The ESCRT-III protein CHMP1A mediates secretion of Sonic Hedgehog on a distinctive subtype of extracellular vesicles
Coulter ME, et al.
Testing, 24(4), 973-986 (2018)
The rab gtpase family
Stenmark H and Olkkonen VM
Genome Biology, 2(5), reviews3007-reviews3001 (2001)
Linbo Zhao et al.
mSphere, 2(4) (2017-08-18)
BK polyomavirus (BKPyV) is a human pathogen first isolated in 1971. BKPyV infection is ubiquitous in the human population, with over 80% of adults worldwide being seropositive for BKPyV. BKPyV infection is usually asymptomatic; however, BKPyV reactivation in immunosuppressed transplant
Latent CSN-CRL complexes are crucial for curcumin-induced apoptosis and recruited during adipogenesis to lipid droplets via small GTPase RAB18.
Dubiel, et al.
iScience, 26, 106468-106468 (2023)

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