SERPINB9 (E9J8J) XP® Rabbit mAb (BSA and Azide Free) (#51560) Datasheet with Images Cell Signaling Technology

For Research Use Only. Not for Use in Diagnostic Procedures.

Applications:

WB, IHC-P

REACTIVITY:

SENSITIVITY:

Endogenous

MW (kDa):

Source/Isotype:

Rabbit IgG

UniProt ID:

#P50453

Entrez-Gene Id:

5272

Product Information

Product Usage Information

This product is the carrier free version of product #37908. All data were generated using the same antibody clone in the standard formulation which contains BSA and glycerol.

This formulation is ideal for use with technologies requiring specialized or custom antibody labeling, including fluorophores, metals, lanthanides, and oligonucleotides. It is not recommended for ChIP, ChIP-seq, CUT&RUN or CUT&Tag assays. If you require a carrier free formulation for chromatin profiling, please contact us. Optimal dilutions/concentrations should be determined by the end user.

Formulation

Supplied in 1X PBS, BSA and Azide Free.

For standard formulation of this product see product #37908

Storage

Store at -20°C. This product will freeze at -20°C so it is recommended to aliquot into single-use vials to avoid multiple freeze/thaw cycles. A slight precipitate may be present and can be dissolved by gently vortexing. This will not interfere with antibody performance.

Specificity / Sensitivity

SERPINB9 (E9J8J) XP^® Rabbit mAb (BSA and Azide Free) recognizes endogenous levels of total SERPINB9 protein.

Species Reactivity:

Human

Source / Purification

Monoclonal antibody is produced by immunizing animals with human SERPINB9 recombinant protein and reacts with an epitope surrounding Phe70.

Background

SERPINB9 (Sb9, PI-9) is a member of the serpin superfamily of proteins which bind to and inactivate serine proteinases (1,2). SERPINB9 is present in human CD4⁺ T cells, CD8⁺ T cells, NK cells, B cells, and myeloid cells, and is a physiological inhibitor of Granzyme B (GrB) (1,3,4). Granzyme B triggers apoptosis when released by cytotoxic T lymphocytes (1-4). SERPINB9 may function to protect effector and bystander cells from Granzyme B during an immune response (4). In mice, SPI6 is thought to be the functional homolog of SERPINB9 due to its inhibition of murine Granzyme B (2,5). SERPINB9 was recently identified as a potential immunotherapy target, due to its role in tumor cell survival through evasion of apoptosis (6).

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Applications Key

WB: Western Blotting IHC-P: Immunohistochemistry (Paraffin)

Cross-Reactivity Key

H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

SignalStain is a registered trademark of Cell Signaling Technology, Inc.

XP is a registered trademark of Cell Signaling Technology, Inc.

All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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