Human HTRA2/Omi Alexa Fluor™ Plus 594-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # FAB1458AFP594
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Western Blot, Immunocytochemistry
Label
Alexa Fluor Plus 594 (Excitation = 590 nm, Emission = 618 nm)
Antibody Source
Monoclonal Mouse IgG2B Clone # 229926
Product Specifications
Immunogen
E. coli-derived recombinant human HTRA2/Omi
Specificity
Detects the mitochondria-processed form of human HTRA2/Omi.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG2B
Applications
Application
Recommended Usage
Immunocytochemistry
Optimal dilution of this antibody should be experimentally determined.
Western Blot
Optimal dilution of this antibody should be experimentally determined.
Formulation, Preparation, and Storage
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied
Background: HTRA2/Omi
HTRA2/Omi is the mammalian homologue of bacterial high temperature requirement protein (HtrA). HTRA2/Omi localizes to the mitochondria and is processed to expose an amino-terminal Reaper-like motif similar to SMAC/Diablo. HTRA2/Omi is released from the mitochondria in response to apoptotic insult and can interact with the BIR2 or BIR3 domains of XIAP to relieve caspase-IAP inhibition. This effect can be measured by reversing XIAP-BIR2 (R&D Systems, Catalog # 786-XB) inhibition of Caspase-7 (R&D Systems, Catalog # 823-C7) cleavage of a fluorogenic peptide (DEVD-AFC, MP Bio, Catalog # AFC-138). IC50 values for this effect are typically between 0.2 and 1.5 μM. HTRA2/Omi is trimeric and functions as a serine protease. The serine protease activity may play a more central role in apoptosis than its IAP antagonizing function. A PDZ domain regulates the serine protease activity by blocking access to the active site.
References
- Suzuki, Y. et al. (2001) Mol. Cell. 8:613.
- van Loo, G. et al. (2002) Cell Death & Diff. 9:20.
- Hedge, R. et al. (2001) J. Biol. Chem. 277:432.
- Verhagen, A. et al. (2001) J. Biol. Chem. 277:445.
- Martins, L. et al. (2002) J. Biol. Chem. 277:439.
- Silke, J., and A. Verhagen (2002) Cell Death & Diff. 9:362.
- Savopoulos, J. et al. (2000) Protein Expression & Purification 19:227.
Long Name
High Temperature Requirement Protein-2
Alternate Names
Omi, PRSS25
Gene Symbol
HTRA2
UniProt
Additional HTRA2/Omi Products
Product Specific Notices
This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.
For research use only
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