|Applications||ELISA, IHC, WB|
|Product Name||Anti-Transferrin/TF Antibody|
|Storage & Handling||At -20°C for one year. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for a longer time.Avoid repeated freezing and thawing.|
|Description||Rabbit IgG polyclonal antibody for Serotransferrin(TF) detection. Tested with WB, IHC-P, ELISA in Human.|
|Cite This Product||Anti-Transferrin/TF Antibody (Boster Biological Technology, Pleasanton CA, USA, Catalog # RP1022)|
|Contents/Buffer||Each vial contains 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.|
|Immunogen||Oryza sativa-derived human Transferrin recombinant protein(Position: V20-P698).|
Assay Dilutions Overview
ELISA , 0.1-0.5μg/ml, Human, -
Immunohistochemistry(Paraffin-embedded Section), 0.5-1μg/ml, Human, By Heat
Western blot, 0.1-0.5μg/ml, Human
Boster's Secondary Antibodies And IHC, WB Kits
The following reagents are used to generate the images below.Boster recommends Enhanced Chemiluminescent Kit with anti-Rabbit IgG (EK1002) for Western blot, and HRP Conjugated anti-Rabbit IgG Super Vision Assay Kit (SV0002-1) for IHC(P).
Images And Assay Conditions
Figure. Western blot analysis of Transferrin using anti- Transferrin antibody (RP1022).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 50ug of sample under reducing conditions.
Lane : Recombinant Human Transferrin Protein 0.5ng
After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti- Transferrin antigen affinity purified polyclonal antibody (Catalog # RP1022) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:10000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for Transferrin at approximately 76KD. The expected band size for Transferrin is at 76KD.
Protein Target Info (Source: Uniprot.org)
|Tissue Specificity||Expressed by the liver and secreted in plasma.|
|Alternative Names||Serotransferrin;Transferrin;Beta-1 metal-binding globulin;Siderophilin;TF;PRO1400;|
|Molecular Weight||77064 MW|
*if product is indicated to react with multiple species, protein info is based on the human gene.
|Protein Function||Transferrins are iron binding transport proteins which can bind two Fe(3+) ions in association with the binding of an anion, usually bicarbonate. It is responsible for the transport of iron from sites of absorption and heme degradation to those of storage and utilization. Serum transferrin may also have a further role in stimulating cell proliferation.|
|Research Areas||Cell Type Markers, Chip'Ing Antibodies, Domain Families, Epigenetics And Nuclear Signaling, Hlh / Leucine Zipper, Tags & Cell Markers, Transcription, Transcription Factors, Tumor Associated
*You can search these to find other products in these research areas.
|Background||Transferrins are iron-binding blood plasma glycoproteins that control the level of free iron in biological fluids. In humans, it is encoded by the TF gene. In humans, transferrin consists of a polypeptide chain containing 679 amino acids. The protein is composed of alpha helices and beta sheets to form two domains. The N- and C- terminal sequences are represented by globular lobes and between the two lobes is an iron-binding site. Transferrin is a glycoprotein that binds iron very tightly but reversibly. Although iron bound to transferrin is less than 0.1%(4 mg) of the total body iron, it is the most important iron pool, with the highest rate of turnover(25 mg/24 h). Transferrin has a molecular weight of around 80 kDa and contains 2 specific high-affinity Fe(III) binding sites. The affinity of transferrin for Fe(III) is extremely high(1023 M−1 at pH 7.4) but decreases progressively with decreasing pH below neutrality.|
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1. Post-translational modification:phosphorylation, methylation, glycosylation etc. These modifications prevent SDS molecules from binding to the target protein and thus make the band size appear larger than expected
2. Post-translational cleavage: this can cause smaller bands and or multiple bands
3. Alternative splicing: the same gene can have alternative splicing patterns generating different size proteins, all with reactivities to the antibody.
4. Amino Acid R chain charge: SDS binds to positive charges. The different size and charge of the Amino Acid side chains can affect the amount of SDS binding and thus affect the observed band size.
5. Multimers: Multimers are usually broken up in reducing conditions. However if the interactions between the multimers are strong, the band may appear higher.,