BNIP3 Antibody [HRP]


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Product Details

Reactivity Hu, Mu(-), FeSpecies Glossary
Applications WB

BNIP3 Antibody [HRP] Summary

A synthetic peptide against an N-terminal region (within residues 1-50) of the human BNIP3 protein. [UniProt# Q12983]
Mitochondrion. Note: Co-expression with the EIB 19-kDa protein results in a shift in NIP3 localization to the nuclear envelope.
Predicted Species
Feline (93%). Backed by our 100% Guarantee.
Immunogen affinity purified
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  • Western Blot
Application Notes
This BNIP3 antibody is useful for Immunocytochemistry/immunofluorescence and Western Blot. In Western blot a band is seen in hypoxic samples at approx. 30 and 60 kDa, representing the BNIP3 protein. There are some non-specific bands present as well. It is recommended that normoxic samples are run next to the hypoxic samples as a negative control.

The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Theoretical MW
21 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Readout System

Reactivity Notes

Human. Immunogen sequence has 93% homology to feline and 87% homology to bovine and canine proteins. Does not work in mouse.

Packaging, Storage & Formulations

Store at 4C in the dark.
No Preservative
Immunogen affinity purified


This conjugate is made on demand. Actual recovery may vary from the stated volume of this product. The volume will be greater than or equal to the unit size stated on the datasheet.

Alternate Names for BNIP3 Antibody [HRP]

  • BCL2/adenovirus E1B 19 kDa protein-interacting protein 3
  • BCL2/adenovirus E1B 19kDa interacting protein 3
  • BCL2/adenovirus E1B 19kD-interacting protein 3
  • BNIP3
  • Nip3


BNIP3, formerly NIP3 (nineteen kDa interacting protein-3), is a pro-apoptotic, mitochondrial protein classified in the Bcl 2 family based on limited sequence homology to the Bcl 2 homology 3 (BH3) domain (amino acids 110-118) and C-terminal TM domain. BNIP3 expressed in yeast and mammalian cells interacts with survival promoting proteins Bcl 2, Bcl XL, CED9 and the adenovirus E1B 19K protein. Typically the BH3 domain of pro-apoptotic Bcl-2 homologues mediates Bcl 2/Bcl XL heterodimerization and confers pro-apoptotic activity. BNIP3 represents a subfamily of Bcl 2 related proteins, which functions without a typical BH3 domain to regulate apoptosis from both mitochondrial and nonmitochondrial sites by selective Bcl 2/Bcl XL interactions. The N-terminus (residues 1-49) and the C-terminus TM domain of BNIP3 are critical for Bcl 2 heterodimerization, and either region is sufficient for Bcl XL interaction. The TM domain of BNIP3 is critical for homodimerization, pro-apoptotic function, and mitochondrial targeting. BNIP3 contains PEST sequences suggesting that the protein may be susceptible to rapid degradation by proteases. PEST sequences commonly contain high local concentrations of amino acids P, E, S, T, and D flanked by charged amino acids and these are abundantly present in NIP3. Thus, the posttranslational control of BNIP3 expression through rapid protein degradation may constitute a mechanism for regulating the intracellular levels of a potentially lethal protein. Homologues of BNIP3 sharing both structural and functional similarity have been identified in mammals: Nix (also called BNIP3L/BNIP3alpha\/B5) and, in C. elegans, ceBNIP3. The TM domain of BNIP3 and Nix share 80% identity. Endogenous BNIP3 is loosely associated with mitochondrial membrane in normal tissue but fully integrates into the mitochondrial outer membrane with the N-terminus in the cytoplasm and the C-terminus in the membrane during induction of cell death. This is accompanied by rapid and profound mitochondrial dysfunction characterized by opening of the mitochondrial permeability transition (PT) pore, proton electrochemical gradient suppression, and increased reactive oxygen species production. BNIP3 has been reported to localize to the nuclear envelope when co-expressed with E1B 19K. Endogenous BNIP3 protein is abundant in murine andhuman skeletal muscle and is not detectable in lysates of all other nonskeletal muscle-bearing tissues and many cell lines, including myoblasts and differentiated myocytes. BNIP3 also plays a role in autophagy. Hypoxia-induced autophagy requires expression of this protein. Beclin, an autophagy protein, is kept in check by Bcl2 (normoxic). When Bcl2 lets go of Beclin it then binds BNIP3/L3 (hypoxic), causing autophagy.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Secondary Antibodies


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Blogs on BNIP3.

BNIP3 - a regulator of mitochondrial autophagy and cell death
Bcl-2 nineteen-kilodalton interacting protein 3 (BNIP3) is a pro-apoptotic BH3-only protein. BNIP3 localizes to the mitochondrial membrane where it plays a key role in mitochondrial autophagy and cell death pathways. Similar to other Bcl-2 family m...  Read full blog post.

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Gene Symbol BNIP3