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ActoFactor™ Recombinant Mouse Endoglin

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  • Specification
  • Recommended Products
  • Cat.No.
  • CSC-CTK0660
  • Description
  • Endoglin, also known as CD105, is a Type I integral membrane glycoprotein with a large, disulfide-linked, extracellular region and a short, constitutively phosphorylated, cytoplasmic tail. Two splice variants of human endoglin, the S-endoglin and L-endoglin that differ in the length of their cytoplasmic tails have been identified. Endoglin is highly expressed on vascular endothelial cells, chondrocytes, and syncytiotrophoblasts of term placenta. It is also found on activated monocytes, bone marrow pro-erythroblasts, and leukemic cells of lymphoid and myeloid lineages. Human and mouse endoglin share approximately 70% and 97% amino acid sequence identity in their extracellular and intracellular domains, respectively. Endoglin is an accessory receptor for the TGF-beta superfamily ligands. Endoglin does not bind ligands by itself, but does so by associating with a ligand-binding serine/threonine kinase receptor. Endoglin binds TGF- beta 1 and TGF-beta 3 but not TGF-beta 2 efficiently by associating with TGF-beta type II receptor (TbetaRII). It interacts with activin-A and BMP-7 using either the activin type II or type IIB receptors. In the case of BMP-2 which binds directly to the type I but not the type II BMP receptor, endoglin binds via either BMPR-IA (ALK-3) or BMPR-1B (ALK-6). Although the consequence of endoglin interactions on the functions of TGF-beta family ligands is poorly understood, endoglin has clearly been shown to be required for angiogenesis and to play a key role in heart development. Mutations in human endoglin or ALK-1 (another type I serine/threonine receptor) lead to the vascular disorder hereditary hemorrhagic telangiectasia (HHT). Mice heterozygous for endoglin have been developed as disease models for HHT. Endoglin has been shown to be a powerful marker of neovascularization. It is also useful as a functional marker that defines long-term repopulating hematopoietic stem cells. A DNA sequence encoding the extracellular domain of mouse Endoglin (Met 1 - Gly 581) was expressed in insect cells. Mouse Endoglin is a disulfide-linked homodimeric protein. Based on N-terminal sequence analysis, the primary structure of recombinant mature Endoglin starts at Glu 26. Endoglin has a calculated monomeric molecular mass of 61 kDa but as a result of glycosylation, migrates at approximately 75 - 85 kDa under reducing conditions in SDS-PAGE.
  • Species
  • Mouse
  • Product Overview
  • Mouse Eng expressed in Insect cells
  • Molecular Mass
  • 85 kDa
  • Size
  • CAT# CSC-CTK0660-25 (25 μg); CAT# CSC-CTK0660-125 (125 μg)
  • Expression System
  • Insect cells
  • Purity
  • Greater than 95% as determined by SDS-PAGE analysis.
  • Activity
  • Measured by its ability to bind with TGF-beta RII/Fc in a functional ELISA.
  • Endotoxin Level
  • Less than 1 EU/μg.
  • Formulation
  • Lyophilized from a steril-filtered protein solution with no additives.
  • Reconstitution
  • Please centrifuge product briefly before opening vial. The lyophilized protein should be reconstituted in sterile, ultra-pure water to a concentration of 0,1 - 1,0 mg/ml. This solution can then be diluted into other aqueous buffers and stored at -20°C for future use.
  • Storage & Stability
  • The lyophilized protein, though stable at room temperature for up to 3 weeks, is best stored desiccated at -20°C. Reconstituted rMu sCD105 should be used immediately or stored long-term in undiluted working aliquots at -20°C. For long-term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze-thaw cycles.

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      Tel: 1-631-626-9181
      Fax: 1-631-614-7828
      Email: info@creative-bioarray.com
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      Tel: 44-207-097-1828
      Email: info@creative-bioarray.com
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Contact Us
USA
45-1 Ramsey Road, Shirley, NY 11967, USA
Tel: 1-631-626-9181
Fax: 1-631-614-7828
Email: info@creative-bioarray.com

Europe
Tel: 44-207-097-1828
Email: info@creative-bioarray.com