Frataxin Antikörper (AA 20-210)

Produktnummer ABIN7871845

Der Kaninchen Polyklonal anti-Frataxin Antikörper (ABIN7871845) detektiert spezifisch Frataxin in WB, ELISA, IHC und FACS. Dieser Antikörper reagiert spezifisch mit Proben aus Human.

Kurzübersicht für Frataxin Antikörper (AA 20-210) (ABIN7871845)

Target: Frataxin (FXN)

Reaktivität: Human

Wirt: Kaninchen

Klonalität: Polyklonal

Konjugat: Dieser Frataxin Antikörper ist unkonjugiert

Applikation: Western Blotting (WB), ELISA, Immunohistochemistry (IHC), Flow Cytometry (FACS)

Produktdetails anti-Frataxin Antikörper

Bindungsspezifität: AA 20-210

Verwendungszweck: FXN Antibody / Frataxin

Aufreinigung: Immunogen affinity purified

Immunogen: E.coli-derived human FXN recombinant protein (Position: Q20-A210) was used as the immunogen for the FXN antibody.

Isotyp: IgG

Anwendungsinformationen

Applikationshinweise: Optimal dilution of the FXN antibody should be determined by the researcher.

Beschränkungen: Nur für Forschungszwecke einsetzbar

Handhabung

Format: Lyophilized

Rekonstitution: Adding 0.2 mL of distilled water will yield a concentration of 500 μg/mL

Buffer: Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.

Lagerung: 4 °C,-20 °C

Informationen zur Lagerung: After reconstitution, the FXN antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.

Details zu Frataxin

Target: Frataxin (FXN)

Andere Bezeichnung: FXN

Hintergrund: FXN antibody detects Frataxin, a mitochondrial matrix protein encoded by the FXN gene on chromosome 9q21.11. Frataxin plays a fundamental role in iron-sulfur (Fe-S) cluster biogenesis, iron homeostasis, and oxidative stress protection. It is ubiquitously expressed but highly abundant in metabolically active tissues such as heart, skeletal muscle, pancreas, and neurons, where mitochondrial energy metabolism is critical. FXN belongs to the frataxin family of mitochondrial proteins and is essential for the proper function of enzymes involved in oxidative phosphorylation and the tricarboxylic acid (TCA) cycle.

FXN acts as an iron chaperone that delivers ferrous iron (Fe2+) to scaffold proteins such as ISCU for the assembly of Fe-S clusters. These clusters serve as cofactors for numerous mitochondrial enzymes, including aconitase and complex I-III components of the respiratory chain. By regulating mitochondrial iron utilization, FXN prevents toxic iron accumulation and the generation of reactive oxygen species (ROS). Co-localization studies demonstrate FXN interaction with ISCU and NFS1 within mitochondrial nucleoids, coordinating Fe-S cluster synthesis and incorporation into target proteins.

Structurally, Frataxin is a small alpha-beta fold protein with a conserved acidic ridge that binds iron ions. It belongs to the mitochondrial Fe-S cluster assembly machinery family. FXN also associates with chaperones and proteases such as HSP60 and Lon protease, maintaining protein stability and turnover in the mitochondrial matrix. It undergoes processing from a cytosolic precursor into a mature mitochondrial form via the mitochondrial targeting sequence at its N-terminus.

Functionally, FXN is crucial for cellular respiration, antioxidant defense, and metabolic balance. It supports the activity of Fe-S-dependent enzymes in the electron transport chain and modulates mitochondrial redox status. In neurons, FXN ensures energy supply and protects against oxidative stress, while in cardiac tissue, it maintains contractile efficiency by preserving mitochondrial integrity. Developmentally, FXN expression peaks during embryogenesis and early postnatal stages, coinciding with rapid mitochondrial biogenesis in growing tissues.

Loss-of-function mutations in FXN cause Friedreich's ataxia, an autosomal recessive neurodegenerative disease characterized by impaired motor coordination, cardiomyopathy, and diabetes. The deficiency leads to mitochondrial iron overload, defective Fe-S cluster assembly, and increased oxidative stress. Pathway involvement includes Fe-S cluster biosynthesis, oxidative phosphorylation, and cellular stress response. In cancer research, FXN downregulation is associated with altered metabolic reprogramming and mitochondrial dysfunction.

Immunohistochemical staining using FXN antibody shows mitochondrial localization in neurons, cardiac myocytes, and hepatocytes. The FXN antibody from NSJ Bioreagents is a reliable reagent for studying mitochondrial metabolism, iron homeostasis, and neurodegenerative disease mechanisms such as Friedreich's ataxia.

UniProt: Q16595

Pathways: Transition Metal Ion Homeostasis, Regulation of Cell Size