Transferrin Protein, Rat (HEK293, His)
Based on 1 Customer Validation
Transferrin is an important iron-binding transport protein that combines two Fe(3+) ions with an anion, usually bicarbonate. Its primary function is to transport iron from the site of absorption and heme degradation to the site of storage and utilization. Transferrin Protein, Rat (HEK293, His) is the recombinant rat-derived Transferrin protein, expressed by HEK293 , with C-His labeled tag.
- Species: Rat
- Source: HEK293
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Storage:Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
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Biological Activity
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Technical Parameters
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Product Properties
- Documentation
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Biological Activity
Description
Transferrin is an important iron-binding transport protein that combines two Fe(3+) ions with an anion, usually bicarbonate. Its primary function is to transport iron from the site of absorption and heme degradation to the site of storage and utilization. Transferrin Protein, Rat (HEK293, His) is the recombinant rat-derived Transferrin protein, expressed by HEK293 , with C-His labeled tag.
Background
Transferrin, a crucial iron-binding transport protein, demonstrates the ability to bind two Fe(3+) ions in conjunction with an anion, typically bicarbonate. Its primary function involves facilitating the transport of iron from sites of absorption and heme degradation to those designated for storage and utilization within the body. Beyond its fundamental role in iron homeostasis, serum transferrin may also contribute to the stimulation of cell proliferation. Structured as a monomer, transferrin's versatile properties underscore its significance in maintaining the delicate balance of iron distribution and participating in cellular processes vital for overall physiological function.
Verified Bioactivity
Measured in a serum-free cell proliferation assay using MCF-7 human breast cancer cells. The ED50 for this effect is typically 143.5 ng/mL, corresponding to a specific activity is 6.969×103 units/mg.
Technical Parameters
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Species Rat
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Source HEK293
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Tag C-His
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Accession
P12346 (V20-S698)
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Molecular Construction
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N-term
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Transferrin (V20-S698)
Accession # P12346 -
His
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C-term
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Protein Length
Full Length of Mature Protein
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Synonyms
TF; Epididymis Secretory Sperm Binding Protein Li 71p; Transferrin; CDNA FLJ54029, Highly Similar To Serotransferrin; Serotransferrin; Transferrin, Isoform CRA_c; Beta-1 Metal-Binding Globulin; TF Protein; Siderophilin; HEL-S-71p; PRO1557; TFQTL1; PRO2086
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AA Sequence
VPDKTVKWCAVSEHENTKCISFRDHMKTVLPADGPRLACVKKTSYQDCIKAISGGEADAITLDGGWVYDAGLTPNNLKPVAAEFYGSLEHPQTHYLAVAVVKKGTDFQLNQLQGKKSCHTGLGRSAGWIIPIGLLFCNLPEPRKPLEKAVASFFSGSCVPCADPVAFPQLCQLCPGCGCSPTQPFFGYVGAFKCLRDGGGDVAFVKHTTIFEVLPQKADRDQYELLCLDNTRKPVDQYEDCYLARIPSHAVVARNGDGKEDLIWEILKVAQEHFGKGKSKDFQLFGSPLGKDLLFKDSAFGLLRVPPRMDYRLYLGHSYVTAIRNQREGVCPEGSIDSAPVKWCALSHQERAKCDEWSVSSNGQIECESAESTEDCIDKIVNGEADAMSLDGGHAYIAGQCGLVPVMAENYDISSCTNPQSDVFPKGYYAVAVVKASDSSINWNNLKGKKSCHTGVDRTAGWNIPMGLLFSRINHCKFDEFFSQGCAPGYKKNSTLCDLCIGPAKCAPNNREGYNGYTGAFQCLVEKGDVAFVKHQTVLENTNGKNTAAWAKDLKQEDFQLLCPDGTKKPVTEFATCHLAQAPNHVVVSRKEKAARVSTVLTAQKDLFWKGDKDCTGNFCLFRSSTKDLLFRDDTKCLTKLPEGTTYEEYLGAEYLQAVGNIRKCSTSRLLEACTFHKS
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Predicted Molecular Mass
74.5 kDa
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Molecular Weight
Approximately 89 kDa, based on SDS-PAGE under reducing conditions.
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Purity
≥ 95%, as determined by reducing SDS-PAGE.
Product Properties
Lyophilized powder.
Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.2.
<1 EU/μg, determined by LAL method.
It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).
Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Room temperature in continental US; may vary elsewhere.
Documentation
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Data Sheet (240 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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