Human Transferrin Protein (TFN-HM101)
Catalog: TFN-HM101
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Product Description | Recombinant Human Transferrin Protein is expressed from HEK293 with His tag at the C-Terminus.It contains Val20-Pro698. |
Product Background |
Transferrin (Tf), an iron transporter, is mainly biosynthesized in the liver, but can also be biosynthesized in the brain; i.e., by oligodendrocytes and the choroid plexus, a cerebrospinal fluid (CSF) producing tissue. The CSF contains two Tf isoforms, brain-type Tf and serum-type Tf, which differ in their glycan structures. Brain-type Tf is uniquely glycolsylated with biantennary asialo- and agalacto-complex type N-glycans that carry bisecting β1,4-GlcNAc and core α1,6-Fuc. The glycans of serum-type Tf in the CSF are similar to those of Tf in serum. |
Product Category |
Recombinant Protein |
Target |
Transferrin |
Synonyms | Serotransferrin; Transferrin; Siderophilin; TF; PRO1557; PRO2086; HEL-S-71p; TFQTL1 |
Gene/Protein ID |
AAH59367 |
Species |
Human |
Exact Sequence |
Val20-Pro698 |
Molecular Weight | The protein has a predicted MW of 76.3 kDa. Due to glycosylation, the protein migrates to 78-82 kDa based on Tris-Bis PAGE result. |
Activity |
The affinity constant of 27.50 nM as determined in SPR assay (Biacore T200). See testing image for detail. |
Product Tag |
C-His |
Express System |
HEK293 |
Purity | > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC |
Endotoxin | Less than 1EU per ug by the LAL method. |
Form | Lyophilized |
Shipping | Shipped at ambient temperature. |
Formulation | Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
Reconstitution | Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water. |
Stability And Storage | Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |
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