ABCG2 Antibody | Affinity Biosciences

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Product:	ABCG2 Antibody
Catalog:	AF4041
Description:	Rabbit polyclonal antibody to ABCG2
Application:	WB
Reactivity:	Human, Mouse, Rat
Prediction:	Rabbit
Mol.Wt.:	65-80kd; 72kD(Calculated).
Uniprot:	Q9UNQ0
RRID:	AB_2835345

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Blocking peptides are peptides that bind specifically to the target antibody and block antibody binding. These peptide usually contains the epitope recognized by the antibody. Antibodies bound to the blocking peptide no longer bind to the epitope on the target protein. By comparing the staining from the blocked antibody versus the antibody alone, one can see which staining is specific.

Size	Price	Inventory
50ul	$250	In stock
100ul	$350	In stock
200ul	$450	In stock

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Related Downloads

MSDS

Data Sheet

COA

Protocols

WB Handbook

IHC Protocol

IF/ICC Protocol

Product Info

Source:

Rabbit

Application:

WB 1:500-1:1000
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:

Human,Mouse,Rat

Prediction:

Rabbit(88%)

Clonality:

Polyclonal

Specificity:

ABCG2 Antibody detects endogenous levels of total ABCG2.

RRID:

AB_2835345
Cite Format: Affinity Biosciences Cat# AF4041, RRID:AB_2835345.

Conjugate:

Unconjugated.

Purification:

The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).

Storage:

Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.

Alias:

Fold/Unfold

ABC transporter; ABC15; ABCG 2; ABCG2; ABCG2_HUMAN; ABCP; ATP binding cassette sub family G (WHITE) member 2; ATP binding cassette transporter G2; ATP-binding cassette sub-family G member 2; BCRP; BCRP1; BMDP; Breast cancer resistance protein; CD338; CDw338; CDw338 antigen; EST157481; GOUT1; MGC102821; Mitoxantrone resistance associated protein; Mitoxantrone resistance-associated protein; MRX; Multi drug resistance efflux transport ATP binding cassette sub family G (WHITE) member 2; MXR; MXR1; Placenta specific ATP binding cassette transporter; Placenta specific MDR protein; Placenta-specific ATP-binding cassette transporter; UAQTL1;

Immunogens

Immunogen:

Uniprot:

Q9UNQ0(ABCG2_HUMAN) >>Visit HPA database.

Gene(ID):

ABCG2(9429)

Expression:

Q9UNQ0 ABCG2_HUMAN:

Highly expressed in placenta (PubMed:9850061). Low expression in small intestine, liver and colon (PubMed:9861027). Expressed in brain (at protein level) (PubMed:12958161).

Description:

Xenobiotic transporter that may play an important role in the exclusion of xenobiotics from the brain. May be involved in brain-to-blood efflux. Appears to play a major role in the multidrug resistance phenotype of several cancer cell lines. When overexpressed, the transfected cells become resistant to mitoxantrone, daunorubicin and doxorubicin, display diminished intracellular accumulation of daunorubicin, and manifest an ATP-dependent increase in the efflux of rhodamine 123.

Sequence:

Q9UNQ0 ABCG2_HUMAN:
Protein BLAST With
NCBI/
ExPASy/
Uniprot

MSSSNVEVFIPVSQGNTNGFPATASNDLKAFTEGAVLSFHNICYRVKLKSGFLPCRKPVEKEILSNINGIMKPGLNAILGPTGGGKSSLLDVLAARKDPSGLSGDVLINGAPRPANFKCNSGYVVQDDVVMGTLTVRENLQFSAALRLATTMTNHEKNERINRVIQELGLDKVADSKVGTQFIRGVSGGERKRTSIGMELITDPSILFLDEPTTGLDSSTANAVLLLLKRMSKQGRTIIFSIHQPRYSIFKLFDSLTLLASGRLMFHGPAQEALGYFESAGYHCEAYNNPADFFLDIINGDSTAVALNREEDFKATEIIEPSKQDKPLIEKLAEIYVNSSFYKETKAELHQLSGGEKKKKITVFKEISYTTSFCHQLRWVSKRSFKNLLGNPQASIAQIIVTVVLGLVIGAIYFGLKNDSTGIQNRAGVLFFLTTNQCFSSVSAVELFVVEKKLFIHEYISGYYRVSSYFLGKLLSDLLPMRMLPSIIFTCIVYFMLGLKPKADAFFVMMFTLMMVAYSASSMALAIAAGQSVVSVATLLMTICFVFMMIFSGLLVNLTTIASWLSWLQYFSIPRYGFTALQHNEFLGQNFCPGLNATGNNPCNYATCTGEEYLVKQGIDLSPWGLWKNHVALACMIVIFLTIAYLKLLFLKKYS

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species

Results

Score

Rabbit

Horse

Bovine

Sheep

Pig

Dog

Xenopus

Zebrafish

Chicken

Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

PTMs - Q9UNQ0 As Substrate

Q9UNQ0

Site	PTM Type	Enzyme	Source
S50	Phosphorylation		Uniprot
S100	Phosphorylation		Uniprot
S103	Phosphorylation		Uniprot
S143	Phosphorylation		Uniprot
K172	Ubiquitination		Uniprot
S187	Phosphorylation		Uniprot
T194	Phosphorylation		Uniprot
S195	Phosphorylation		Uniprot
K323	Ubiquitination		Uniprot
S353	Phosphorylation		Uniprot
K357	Ubiquitination		Uniprot
T362	Phosphorylation	P11309 (PIM1)	Uniprot
Y464	Phosphorylation		Uniprot
N596	N-Glycosylation		Uniprot

Research Backgrounds

Q9UNQ0_ABCG2_HUMAN

Function:

Broad substrate specificity ATP-dependent transporter of the ATP-binding cassette (ABC) family that actively extrudes a wide variety of physiological compounds, dietary toxins and xenobiotics from cells. Involved in porphyrin homeostasis, mediating the export of protoporphyrin IX (PPIX) from both mitochondria to cytosol and cytosol to extracellular space, it also functions in the cellular export of heme. Also mediates the efflux of sphingosine-1-P from cells. Acts as a urate exporter functioning in both renal and extrarenal urate excretion. In kidney, it also functions as a physiological exporter of the uremic toxin indoxyl sulfate (By similarity). Also involved in the excretion of steroids like estrone 3-sulfate/E1S, 3beta-sulfooxy-androst-5-en-17-one/DHEAS, and other sulfate conjugates. Mediates the secretion of the riboflavin and biotin vitamins into milk (By similarity). Extrudes pheophorbide a, a phototoxic porphyrin catabolite of chlorophyll, reducing its bioavailability (By similarity). Plays an important role in the exclusion of xenobiotics from the brain (Probable). It confers to cells a resistance to multiple drugs and other xenobiotics including mitoxantrone, pheophorbide, camptothecin, methotrexate, azidothymidine, and the anthracyclines daunorubicin and doxorubicin, through the control of their efflux. In placenta, it limits the penetration of drugs from the maternal plasma into the fetus (By similarity). May play a role in early stem cell self-renewal by blocking differentiation (By similarity).

PTMs:

N-glycosylated. Glycosylation-deficient ABCG2 is normally expressed and functional.

Phosphorylated. Phosphorylation at Thr-362 by PIM1 is induced by drugs like mitoxantrone and is associated with cells increased drug resistance. It regulates the localization to the plasma membrane, the homooligomerization and therefore, the activity of the transporter.

Subcellular Location:

Cell membrane>Multi-pass membrane protein. Apical cell membrane>Multi-pass membrane protein. Mitochondrion membrane>Multi-pass membrane protein.
Note: Enriched in membrane lipid rafts.

Tissue Specificity:

Highly expressed in placenta. Low expression in small intestine, liver and colon. Expressed in brain (at protein level).

Subunit Structure:

Homodimer; disulfide-linked. The minimal functional unit is a homodimer, but the major oligomeric form in plasma membrane is a homotetramer with possibility of higher order oligomerization up to homododecamers.

Family&Domains:

The extracellular loop 3 (ECL3) is involved in binding porphyrins and transfer them to other carriers, probably albumin.

Belongs to the ABC transporter superfamily. ABCG family. Eye pigment precursor importer (TC 3.A.1.204) subfamily.

Research Fields

· Environmental Information Processing > Membrane transport > ABC transporters.

· Human Diseases > Drug resistance: Antineoplastic > Antifolate resistance.

References

1). Advanced oxidation protein products upregulate efflux transporter expression and activity through activation of the Nrf-2-mediated signaling pathway in vitro and in vivo. European Journal of Pharmaceutical Sciences (PubMed: 32315774) [IF=4.6]

Application: WB Species: rat Sample:

Fig. 2. |Effects of AOPPs on the expression of efflux transporter in vivo. (A) AOPPs levels in plasma of the sham, 5/6 nx, control and adenine groups were analyzed as described previously. (B) The mRNA expression of ABCG2, ABCB1 and ABCC2 in the sham, 5/6 nx, control and adenine groups was detected by RT-PCR. (C) The protein expression of ABCG2, ABCB1 and ABCC2 in the sham, 5/6 nx, control and adenine groups was detected by Western blot.

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ABCG2 Antibody - #AF4041