产品: FXN 抗体
货号: DF6590
描述: Rabbit polyclonal antibody to FXN
应用: WB IHC
反应: Human, Mouse, Rat
预测: Zebrafish, Bovine, Horse, Sheep, Rabbit, Dog, Chicken
分子量: 23kDa; 23kD(Calculated).
蛋白号: Q16595
RRID: AB_2838552

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产品描述

来源:
Rabbit
应用:
WB 1:500-1:2000, IHC 1:50-1:200
*The optimal dilutions should be determined by the end user.
*Tips:

WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.

反应:
Human,Mouse,Rat
预测:
Zebrafish(91%), Bovine(92%), Horse(100%), Sheep(92%), Rabbit(100%), Dog(100%), Chicken(92%)
克隆:
Polyclonal
特异性:
FXN Antibody detects endogenous levels of total FXN.
RRID:
AB_2838552
引用格式: Affinity Biosciences Cat# DF6590, RRID:AB_2838552.
偶联:
Unconjugated.
纯化:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
保存:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
别名:

展开/折叠

CyaY; d-FXN; FA; FARR; Frataxin mature form; Frataxin(81-210); FRDA; FRDA_HUMAN; Friedreich ataxia protein; Fxn; i-FXN; m56-FXN; m78-FXN; m81-FXN; MGC57199; X25;

抗原和靶标

免疫原:
Uniprot:
基因/基因ID:
表达:
Q16595 FRDA_HUMAN:

Expressed in the heart, peripheral blood lymphocytes and dermal fibroblasts.

描述:
FXN, also named as FRDA, X25, m81-FXN, d-FXN, m78-FXN and i-FXN, belongs to the frataxin family. It promotes the biosynthesis of heme and assembly and repair of iron-sulfur clusters by delivering Fe2+ to proteins involved in these pathways. FXN may play a role in the protection against iron-catalyzed oxidative stress through its ability to catalyze the oxidation of Fe2+ to Fe3+; the oligomeric form but not the monomeric form has in vitro ferroxidase activity. FXN is cleaved to be 4 chains. The mature form of FXN is 14kd or 18kd.
序列:
MWTLGRRAVAGLLASPSPAQAQTLTRVPRPAELAPLCGRRGLRTDIDATCTPRRASSNQRGLNQIWNVKKQSVYLMNLRKSGTLGHPGSLDETTYERLAEETLDSLAEFFEDLADKPYTFEDYDVSFGSGVLTVKLGGDLGTYVINKQTPNKQIWLSSPSSGPKRYDWTGKNWVYSHDGVSLHELLAAELTKALKTKLDLSSLAYSGKDA

种属预测

种属预测:

score>80的预测可信度较高,可尝试用于WB检测。*预测模型主要基于免疫原序列比对,结果仅作参考,不作为质保凭据。

Species
Results
Score
Horse
100
Dog
100
Rabbit
100
Bovine
92
Sheep
92
Chicken
92
Zebrafish
91
Pig
0
Xenopus
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

翻译修饰 - Q16595 作为底物

Site PTM Type Enzyme
S81 Phosphorylation
T94 Phosphorylation
Y118 Phosphorylation P12931 (SRC)
Y143 Phosphorylation
S160 Phosphorylation
S161 Phosphorylation
K197 Acetylation
K197 Ubiquitination
Y205 Phosphorylation

研究背景

功能:

Promotes the biosynthesis of heme and assembly and repair of iron-sulfur clusters by delivering Fe(2+) to proteins involved in these pathways. May play a role in the protection against iron-catalyzed oxidative stress through its ability to catalyze the oxidation of Fe(2+) to Fe(3+); the oligomeric form but not the monomeric form has in vitro ferroxidase activity. May be able to store large amounts of iron in the form of a ferrihydrite mineral by oligomerization; however, the physiological relevance is unsure as reports are conflicting and the function has only been shown using heterologous overexpression systems. Modulates the RNA-binding activity of ACO1.

翻译修饰:

Processed in two steps by mitochondrial processing peptidase (MPP). MPP first cleaves the precursor to intermediate form and subsequently converts the intermediate to yield frataxin mature form (frataxin(81-210)) which is the predominant form. The additional forms, frataxin(56-210) and frataxin(78-210), seem to be produced when the normal maturation process is impaired; their physiological relevance is unsure.

细胞定位:

Mitochondrion. Cytoplasm>Cytosol.
Note: PubMed:18725397 reports localization exclusively in mitochondria.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
组织特异性:

Expressed in the heart, peripheral blood lymphocytes and dermal fibroblasts.

亚基结构:

Monomer (probable predominant form). Oligomer. Monomers and polymeric aggregates of >1 MDa have been isolated from mitochondria. A small fraction of heterologous overexpressed recombinant frataxin forms high-molecular wight aggregates that incoroprate iron. Interacts with LYRM4. Interacts with ACO1. Interacts with ISCU isoform 1 and isoform 2. Interacts with FECH; one iron-bound FXN monomer seems to interact with a FECH homodimer. Interacts with SDHA and SDHB. Interacts with ACO2; the interaction is dependent on citrate (By similarity). Interacts with HSPA9.

蛋白家族:

Belongs to the frataxin family.

研究领域

· Metabolism > Metabolism of cofactors and vitamins > Porphyrin and chlorophyll metabolism.

文献引用

1). Protective Role of Dioscin against Doxorubicin-Induced Chronic Cardiotoxicity: Insights from Nrf2-GPX4 Axis-Mediated Cardiac Ferroptosis. Biomolecules, 2024 (PubMed: 38672439) [IF=5.5]

Application: WB    Species: Rat    Sample:

Figure 8 Dioscin suppresses cardiac ferroptosis by regulating the Nrf2/GPX4 signaling pathway in DOX-induced rats. (A) Representative Western blotting images of Nrf2, HO-1, and TfR1 in DOX-induced rat treated with or without dioscin. (B–D) Bar charts indicate the protein expression levels of Nrf2, HO-1, and TfR1 in cardiac tissues. Data are mean ± SD (n = 3). (E–K) Bar charts indicate the mRNA expression levels of Nrf2, HO-1, TfR1, DMT1, FTL, FTH1, and FPN in cardiac tissues. Data are mean ± SD (n = 6). (L) Representative Western blotting images of NOX4, ABCB8, and FXN in DOX-induced rat treated with or without dioscin. (M–O) Bar charts indicate the protein expression levels of NOX4, ABCB8, and FXN in cardiac tissues. Data are mean ± SD (n = 3). (P–R) Bar charts indicate the mRNA expression levels of NOX4, ABCB8, and FXN in cardiac tissues. Data are mean ± SD (n = 6). (S) Representative images of immunofluorescence analysis of Nrf2 and NOX4 expression were captured by fluorescence microscopy. (T,U) The bar chart indicates the Nrf2 and NOX4 intensity in cardiac tissue. Data are mean ± SD (n = 3). * p < 0.05, ** p < 0.01, *** p < 0.001 vs. DOX treatment group; # p < 0.05, ## p < 0.01, ### p < 0.001 vs. control group. (A,L) Original western blotting figures can be found in Figures S5 and S6.

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