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Western blot analysis of XBP-1 in PC-3 cell lysate with XBP-1 antibody at (A) 0.5, (B) 1 and (C) 2 μg/mL.
Immunocytochemistry of XBP-1 in HepG2 cells with XBP-1 antibody at 2 μg/mL.
Western blot analysis of XBP-1 in PC-3 cell lysate with XBP-1 antibody at (A) 0.5, (B) 1 and (C) 2 μg/mL.
Trial Size

XBP-1 Antibody

CATALOG NUMBER: 3685

Clonality:
Polyclonal
Tested Applications:
ELISA, ICC, WB
Host Species:
Rabbit
Species Reactivity:
Human, Mouse, Rat
Conjugate:
Unconjugated
Specifications
Host Species:
Rabbit
Species Reactivity:
Human, Mouse, Rat
Homology:
Predicted species reactivity based on immunogen sequence: Bovine: (83%)
Immunogen:
XBP-1 antibody was raised against a 17 amino acid synthetic peptide from near the carboxy terminus of human XBP-1.
The immunogen is located within the last 50 amino acids of XBP-1.
Conjugate:
Unconjugated
Tested Applications:
ELISA, ICC, WB
Application Note:
XBP-1 antibody can be used for the detection of XBP-1 by Western blot at 0.5 - 2 μg/mL. Antibody can also be used for immunocytochemistry starting at 2 μg/mL.
Antibody validated: Western Blot in human samples and Immunocytochemistry in human samples. All other applications and species not yet tested.
Positive Control 1:
Cat. No. 1216 - PC-3 Cell Lysate
Positive Control 2:
Cat. No. 1211 - HepG2 Cell Lysate
Positive Control 3:
Cat. No. 17-011 - Hep G2 Cell Slide
Purification:
XBP-1 Antibody is affinity chromatography purified via peptide column.
Clonality:
Polyclonal
Isotype:
IgG
physical-state:
Liquid
Buffer:
XBP-1 Antibody is supplied in PBS containing 0.02% sodium azide.
Concentration:
1 mg/mL
Storage Conditions:
XBP-1 antibody can be stored at 4°C for three months and -20°C, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.
Ncbi Official Symbol:
XBP1
Additional Names:
XBP-1 Antibody: XBP2, TREB5, XBP-1, XBP2, X-box-binding protein 1, Tax-responsive element-binding protein 5
Protein Accession Number:
P17861
Protein Gi Number:
60416406
Ncbi Gene Id Number:
7494
User Note:
Optimal dilutions for each application to be determined by the researcher.
Background:
XBP-1 Antibody: X box binding protein 1 (XBP-1) is a key protein in the mammalian unfolded protein response (UPR) that protects the cell against the stress of malfolded proteins in the endoplasmic reticulum (ER). Upon sensing unfolded proteins, an ER transmembrane endonuclease and kinase termed IRE1p is activated and excises an intron from XBP-1 mRNA. The spliced XBP-1 mRNA results in a 371 amino acid protein (XBP-1s) which is then translocated to the nucleus where it binds to the regulatory elements of downstream genes. Together with other UPR transcription factors such as ATF6, XBP-1 stimulates the production of ER stress proteins including the ER resident protein chaperones glucose regulated protein (GRP) 78 and GRP94.
Background Reference 1:
Yoshida H, Matsui T, Yamamoto T, et al. XBP1 mRNA is induced by ATF6 and spliced by IRE1p in response to ER stress to produce a highly active transcription factor. Cell 2001; 107:881-91.
Background Reference 2:
Calfon M, Zeng H, Urano F, et al. IRE1 couples endoplasmic reticulum load to secretory capacity by processing the XBP-1 mRNA. Nature 2002; 415:92-6.
Background Reference 3:
Haze K, Yoshida H, Yanagi H, et al. Mammalian transcription factor ATF6 is synthesized as a transmembrane protein and activated by proteolysis in response to endoplasmic stress. Mol. Cell. Biol. 1999; 10:3787-99.
Background Reference 4:
Little E, Ramakrishnan M, Roy B, et al. The glucose-regulated proteins (GRP78 and GRP94): functions, gene regulation, and applications. Crit. Rev. Eukaryot. Gene Expr. 1994; 4:1-18.

FOR RESEARCH USE ONLY

For additional information, visit ProSci’s Terms & Conditions Page.

Disclaimer:
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.

CATALOG NUMBER:

3685

List Size:
0.02 mg, 0.1 mg

List Price:

Price range: $99.00 through $445.00

Datasheet
Shipping Info

$65 Standard Overnight flat rate for as many products shipped within the United States.

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