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Erythropoietin-alpha Recombinant Protein | EPO recombinant protein

Human Erythropoietin-alpha Recombinant

Purity
>98%, as determined by SDS-PAGE and HPLC
Synonyms
Erythropoietin-alpha; Human Erythropoietin-alpha Recombinant; epo; Erythropoietin; EPO recombinant protein
Ordering
For Research Use Only!
Host
Chinese Hamster Ovary Cells (CHO)
Purity/Purification
>98%, as determined by SDS-PAGE and HPLC
Form/Format
Recombinant Erythropoietin alpha was lyophilized from a 0.2 um filtered PBS solution pH 7.
Sequence
MGVHECPAWL WLLLSLLSLP LGLPVLGAPP RLICDSRVLE RYLLEAKEAE NITTGCAEHC SLNENITVPD TKVNFYAWKR MEVGQQAVEV WQGLALLSEA VLRGQALLVN SSQPWEPLQL HVDKAVSGLR SLTTLLRALG AQKEAISPPD AASAAPLRTI TADTFRKLFR VYSNFLRGKL KLYTGEACRT GDR
Sequence Length
193
Domain
4 helix cytokine core
Host Note
Optimized DNA sequence encoding Human EPO mature chain was expressed in CHO cells.
Endotoxin
Endotoxin content was assayed using a LAL gel clot method.
Endotoxin level was found to be less than 0.1 ng/ug (1EU/ug).
Reconstitution
A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers
Molecular Weight Note
Native human Erythropoietin-alpha is generated by the proteolytic removal of the signal peptide and propeptide, the molecule has a calculated molecular mass of approximately 20 kDa.

Recombinant EPO-a is a glycosylated disulfide-linked homodimeric protein consisting of 166 amino acid residue subunits, and migrates as an approximately 35 kDa protein under reducing conditions in SDS-PAGE.
Preparation and Storage
The lyophilized protein is stable for at least 2 years from date of receipt at -20 degree C.
Upon reconstitution, this cytokine can be stored in working aliquots at 2 degree - 8 degree C for one month, or at -20 degree C for six months, with a carrier protein without detectable loss of activity.

Avoid repeated freeze/thaw cycles.
Related Product Information for EPO recombinant protein
EPO is predominantly synthesized and secreted by tubular and juxtatubular capillary endothelial and interstitial cells of the kidney. Approximately 10-15 % of the total amount of Epo comes from extrarenal sources and is predominantly produced by hepatocytes and Kupffer cells of the liver. Approximately 40 % of the molecular mass of Epo is due to its glycosylation. Glycosylation is an important factor determining the pharmacokinetic behavior of Epo in vivo. Non- glycosylated Epo has an extremely short biological half life. It still binds to its receptor and may even have a higher specific activity in vitro.
Product Categories/Family for EPO recombinant protein

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
21,307 Da
NCBI Official Full Name
erythropoietin
UniProt Protein Name
Erythropoietin
Protein Family
UniProt Gene Name
EPO
UniProt Entry Name
EPO_HUMAN

NCBI Description

This gene is a member of the EPO/TPO family and encodes a secreted, glycosylated cytokine composed of four alpha helical bundles. The protein is found in the plasma and regulates red cell production by promoting erythroid differentiation and initiating hemoglobin synthesis. This protein also has neuroprotective activity against a variety of potential brain injuries and antiapoptotic functions in several tissue types. [provided by RefSeq, Jul 2008]

Uniprot Description

EPO: Erythropoietin is the principal hormone involved in the regulation of erythrocyte differentiation and the maintenance of a physiological level of circulating erythrocyte mass. Genetic variation in EPO is associated with susceptbility to microvascular complications of diabetes type 2 (MVCD2). These are pathological conditions that develop in numerous tissues and organs as a consequence of diabetes mellitus. They include diabetic retinopathy, diabetic nephropathy leading to end-stage renal disease, and diabetic neuropathy. Diabetic retinopathy remains the major cause of new-onset blindness among diabetic adults. It is characterized by vascular permeability and increased tissue ischemia and angiogenesis. Belongs to the EPO/TPO family.

Protein type: Secreted; Secreted, signal peptide

Chromosomal Location of Human Ortholog: 7q22

Cellular Component: extracellular space; cell surface; extracellular region

Molecular Function: protein binding; erythropoietin receptor binding; hormone activity; protein kinase activator activity

Biological Process: hemoglobin biosynthetic process; erythrocyte maturation; blood circulation; apoptosis; positive regulation of transcription, DNA-dependent; response to lipopolysaccharide; response to testosterone stimulus; signal transduction; response to salt stress; response to vitamin A; peptidyl-serine phosphorylation; response to hyperoxia; positive regulation of tyrosine phosphorylation of Stat5 protein; response to estrogen stimulus; positive regulation of protein kinase activity; positive regulation of cell proliferation; positive regulation of Ras protein signal transduction; response to axon injury; response to electrical stimulus; positive regulation of neuron differentiation; positive regulation of DNA replication; embryo implantation; aging

Disease: Microvascular Complications Of Diabetes, Susceptibility To, 2

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Product Notes

The EPO epo (Catalog #AAA553224) is a Recombinant Protein produced from Chinese Hamster Ovary Cells (CHO) and is intended for research purposes only. The product is available for immediate purchase. The amino acid sequence is listed below: MGVHECPAWL WLLLSLLSLP LGLPVLGAPP RLICDSRVLE RYLLEAKEAE NITTGCAEHC SLNENITVPD TKVNFYAWKR MEVGQQAVEV WQGLALLSEA VLRGQALLVN SSQPWEPLQL HVDKAVSGLR SLTTLLRALG AQKEAISPPD AASAAPLRTI TADTFRKLFR VYSNFLRGKL KLYTGEACRT GDR. It is sometimes possible for the material contained within the vial of "Erythropoietin-alpha, Recombinant Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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