RAB21 Antibody

Datasheet

Code	CSB-PA891733LA01HU
Size	US$166
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Image	IHC image of CSB-PA891733LA01HU diluted at 1:400 and staining in paraffin-embedded human ovarian cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a biotinylated secondary antibody and visualized using an HRP conjugated SP system. Immunofluorescence staining of HepG2 cells with CSB-PA891733LA01HU at 1:133, counter-stained with DAPI. The cells were fixed in 4% formaldehyde, permeabilized using 0.2% Triton X-100 and blocked in 10% normal Goat Serum. The cells were then incubated with the antibody overnight at 4°C. The secondary antibody was Alexa Fluor 488-congugated AffiniPure Goat Anti-Rabbit IgG(H+L).
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Target Background

Product Details

Full Product Name

Rabbit anti-Homo sapiens (Human) RAB21 Polyclonal antibody

Uniprot No.

Q9UL25

Target Names

RAB21

Alternative Names

KIAA0118 antibody; RAB 21 antibody; RAB21 antibody; RAB21; member RAS oncogene family antibody; RAB21_HUMAN antibody; Ras-related protein Rab-21 antibody

Raised in

Rabbit

Species Reactivity

Human

Immunogen

Recombinant Human Ras-related protein Rab-21 protein (141-222AA)

Immunogen Species

Homo sapiens (Human)

Conjugate

Non-conjugated

The RAB21 Antibody (Product code: CSB-PA891733LA01HU) is Non-conjugated. For RAB21 Antibody with conjugates, please check the following table.

Conjugate	Product Code	Product Name	Application
HRP	CSB-PA891733LB01HU	RAB21 Antibody, HRP conjugated	ELISA
FITC	CSB-PA891733LC01HU	RAB21 Antibody, FITC conjugated
Biotin	CSB-PA891733LD01HU	RAB21 Antibody, Biotin conjugated	ELISA

Clonality

Polyclonal

Isotype

IgG

Purification Method

>95%, Protein G purified

Concentration

It differs from different batches. Please contact us to confirm it.

Buffer

Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4

Form

Liquid

Tested Applications

ELISA, IHC, IF

Recommended Dilution

Application	Recommended Dilution
IHC	1:200-1:500
IF	1:50-1:200

Protocols

ELISA Protocol
Immunohistochemistry (IHC) Protocol
Immunofluorescence (IF) Protocol

Troubleshooting and FAQs

Antibody FAQs

Storage

Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.

Lead Time

Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

Usage

For Research Use Only. Not for use in diagnostic or therapeutic procedures.

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Target Background

Function

Small GTPase involved in membrane trafficking control. During the mitosis of adherent cells, controls the endosomal trafficking of integrins which is required for the successful completion of cytokinesis. Regulates integrin internalization and recycling, but does not influence the traffic of endosomally translocated receptors in general. As a result, may regulate cell adhesion and migration. Involved in neurite growth. Following SBF2/MTMT13-mediated activation in response to starvation-induced autophagy, binds to and regulates SNARE protein VAMP8 endolysosomal transport required for SNARE-mediated autophagosome-lysosome fusion. Modulates protein levels of the cargo receptors TMED2 and TMED10, and required for appropriate Golgi localization of TMED10.

Gene References into Functions

Rab21 silencing can induce apoptosis and inhibit proliferation in human glioma cells. PMID: 29270202
Starvation-induced MTMR13 and RAB21 activity regulates VAMP8 to promote autophagosome-lysosome fusion. PMID: 25648148
High RAB21 expression is associated with glioma. PMID: 24477653
Taken together, these data suggest that Rab21 plays a negative role in the EGF-mediated MAPK signaling pathway. Overexpression of Rab21 attenuated EGF-mediated mitogen-activated protein kinase (MAPK) signaling by inducing EGFR degradation. PMID: 22525675
Rab21 (and Rab5) associate with the cytoplasmic domains of alpha-integrin chains, and their expression influences the endo/exocytic traffic of integrins. This function of Rab21 is dependent on its GTP/GDP cycle and proper membrane targeting PMID: 16754960
Results show that targeted trafficking of integrins to and from the cleavage furrow is required for successful cytokinesis, and that this is regulated by Rab21. PMID: 18804435
show that TI-VAMP interacts with the Vps9 domain and ankyrin-repeat-containing protein Varp, a guanine nucleotide exchange factor of the small GTPase Rab21, through a specific domain herein called the interacting domain. PMID: 19745841

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Subcellular Location

Endoplasmic reticulum membrane; Lipid-anchor. Golgi apparatus, trans-Golgi network. Golgi apparatus membrane. Early endosome membrane. Cytoplasmic vesicle membrane. Cleavage furrow. Cell projection, neuron projection.

Protein Families

Small GTPase superfamily, Rab family

Tissue Specificity

Widely expressed. In jejunal tissue, predominantly expressed in the apical region of the epithelial cell layer of the villi, weak expression, if any, in the crypt epithelium. Capillary endothelium and some cell types in the lamina propria also show expres

Database Links

HGNC: 18263

OMIM: 612398

KEGG: hsa:23011

STRING: 9606.ENSP00000261263

UniGene: Hs.524590

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Antibody FAQs What Is an Antibody? How to Choose an Antibody for Scientific Research? The difference between primary antibody and secondary antibod The Meaning of Irregular Antibody Screening Tag Antibodies, Your Good Partner in Protein Research How to Choose the Loading Control Antibodies?

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301-363-4651 (Available 9 a.m. to 5 p.m. CST from Monday to Friday)

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7505 Fannin St., Ste 610, Room 7 (CUBIO Innovation Center), Houston, TX 77054, USA

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