TPO (Animal Free)

TPO is a lineage-specific growth factor produced in the liver, kidney and skeletal muscle. It stimulates the proliferation and maturation of megakaryocytes, and promotes increased circulating levels of platelets in vivo. TPO signals through the c-mpl receptor, and acts as an important regulator of circulating platelets. Human and murine TPO exhibit cross-species reactivity. Recombinant Murine TPO is a fully biologically active 174 amino acid polypeptide (18.7 kDa), which contains the erythropoietin-like domain of the full length TPO protein.

Product Specifications

Synonyms

TPO, Thrombopoietin, MGDF, Megakaryocyte colony-stimulating factor, c-MPL Ligand

NCBI Gene ID

21832

UniProt

P40226

Accession Number

NP_033405.1

Accession Number mRNA

NM_009379.3

Chromosomal Location

12 C; 12 15.0 cM

Reactivity

Mouse

Cross Reactivity

Human, Mouse

Sequence

SPVAPACDPRLLNKLLRDSHLLHSRLSQCPDVDPLSIPVLLPAVDFSLGEWKTQTEQSKAQDILGAVSLLLEGVMAARGQLEPSCLSSLLGQLSGQVRLLLGALQGLLGTQLPLQGRTTAHKDPNALFLSLQQLLRGKVRFLLLVEGPTLCVRRTLPTTAVPSSTSQLLTLNKF

Endotoxin

< 0.01 ng/µg of protein (< 0.1 EU/µg)

Purity

≥ 98% by SDS-PAGE gel and HPLC analyses.

Bioactivity

The ED50 as determined by the dose-dependent stimulation of the proliferation of human MO7e cells was found to be ≤ 1.0 ng/ml, corresponding to a specific activity of ≥ 1 x 106 units/mg.

Length

174

Form

Lyophilized

Molecular Weight

18.7 kDa

Host or Source

E. coli

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