Human TGFBR1/ALK5 Protein, ECD (Extracellular Domain), Fc-fusion, Biotinylated, Recombinant

Description

The TGFβ (transforming growth factor β) superfamily proteins are pleiotropic cytokines that regulate a diverse range of cellular processes, including proliferation, differentiation, migration, adhesion and death.  The TGFβ superfamily elicits 4 signaling pathways: TGFβ, Bone Morphogenic Protein (BMP), Activin, and Nodal.  Each pathway signals through a heteromeric receptor complex composed of at least two type-I and two type-II transmembrane receptors containing cytoplasmic serine/threonine kinase domains. These receptors are distinguished by the presence of a glycine/serine-rich juxta-membrane domain found only in the type I receptors. Either type receptor may initially bind ligand, followed by the recruitment of an alternate-type receptor counterpart to form a signal-activating complex. The type I receptors are also referred to as ALKs (Activin receptor-like kinases). TGFBR1 (transforming growth factor β receptor I), also known as ALK5, SKR4, and ACVRLK4, is a type I receptor for TGFβ that functions as a tumor suppressor by inhibiting the cell cycle in the G1 phase. TGFBR1 may play an important role in development.  Mice deficient in TGFBR1 die at midgestation with severe defects in vascular development and an absence of circulating red blood cells. Defects in TGFBR1 are the cause of Loeys-Dietz syndrome type 1A (LDS1A), Loeys-Dietz syndrome type 2A (LDS2A), and aortic aneurysm familial thoracic type 5 (AAT5).  TGFBR1 is involved in proper lymphatic network development. Mutations in TGFBR1 have been identified in multiple human cancers, such as pancreatic, colorectal, ovarian, and head and neck cancers.

 

 

Gene Symbol: TGFBR1; ALK5; AAT5; ESS1; LDS1; MSSE; SKR4; ALK-5; LDS1A; LDS2A; TGFR-1; TGFBRI; ACVRLK4; TbetaR-I

 

NCBI Gene ID: 7046

 

Uniprot Entry: P36897

 

Construct Details: The recombinant human TGFBR1-Fc fusion protein is expressed as a 320 amino acid protein consisting of Leu34 - Glu125 region of TGFBR1 (UniProt accession #P36897) and a C-terminal Fc fusion from human IgG1, which exists as a dimer/tetramer/octamer under non-reducing condition (see the gel image above, labeled as "DTT: -").

 

Source: Human cells stably expressing human TGFBR1-Fc and growing in chemical-defined media with no animal components or antibiotics

 

Deduced Amino Acid Sequence:

LQCFCHLCTKDNFTCVTDGLCFVSVTETTDKVIHNSMCIAEIDLIPRDRPFVCAPSSK

TGSVTTTYCCNQDHCNKIELPTTVKSSPGLGPVESTGTHTCPPCPAPELLGGPSVFLF

PPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYR

VVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMT

KNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRW

QQGNVFSCSVMHEALHNHYTQKSLSLSPGK

 

M.W.: Calculated molecular mass (kDa): 35.6; Estimated by SDS-PAGE under reducing condition (kDa): ~45

 

Calculated PI: 6.39

 

Calculated extinction coefficients (M-1 cm-1, at 280nm):  37900

 

Purity: >95% judged by SDS-PAGE under reducing condition (see the gel image above, labeled as "S" and "M" for marker)

 

Formulation: Supplied at 0.5 mg/ml in sterile PBSpH7.4 (carrier & preservative free). The purified recombinant protein was labeled with Biotin (3-5 Biotin per molecule) using the standard procedure.

 

Endotoxin Level: <0.1 EU per 1 μg of purified recombinant protein determined by the LAL method

 

Biological Activity: Immobilized TGFBR1 protein binds human TGFβ1 in a functional ELISA.  Blocks TGFβ1-mediated signaling activity.

 

 

 

 

  

FOR RESEARCH USE ONLY. NOT FOR DIAGNOSTIC OR THERAPEUTIC USE IN HUMAN.

Restriction: This product is not transferable or re-sellable.  Customer obtain no right to transfer, assign, or sublicense its use rights, or to transfer, resell, package, or otherwise distribute the product, or to use the product for the benefit of any third party or for any commercial purpose.  Customer may only use the product in compliance with applicable local, state and federal laws, regulations and rules.  Customer may not directly or indirectly use the product or allow the transfer, transmission, export or re-export of all or any part of the product in violation of any export control law or regulation of the united states or any other relevant jurisdiction.  Your use of this product constitutes acceptance of the terms of this limited use agreement.  Please refer to our “terms & conditions” for details.  If you are not willing to accept the limitation of this agreement, G&P Biosciences will accept return of the product for a full/partial refund.

 

 

The product is shipped at 4°C. Upon receipt, centrifuge the product briefly before opening the vial. It is recommended to store small aliquots at the temperature below –20°C for long-term storage and the product is stable for 3 months. The undiluted protein can be stored at 4°C for no more than 2 weeks.

 

 

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

 

 

 

FOR RESEARCH USE ONLY. NOT FOR DIAGNOSTIC OR THERAPEUTIC USE IN HUMAN.

 

 

1. Nature 370:341 (1994). 

2. Cell 87:1215 (1996). 

3. Nature 383:168 (1996). 

4. Cell 96:425 (1999). 

5. Mol. Cell 8:671 (2001). 

 

 

 

Product datasheet (pdf) can be downloaded here: FCL0238B-PDS.pdf

 

 

 

Additional supporting documents, including COA and MSDS are available upon request.

 

 

 

FOR RESEARCH USE ONLY. NOT FOR DIAGNOSTIC OR THERAPEUTIC USE IN HUMAN.

Restriction: This product is not transferable or re-sellable.  Customer obtain no right to transfer, assign, or sublicense its use rights, or to transfer, resell, package, or otherwise distribute the product, or to use the product for the benefit of any third party or for any commercial purpose.  Customer may only use the product in compliance with applicable local, state and federal laws, regulations and rules.  Customer may not directly or indirectly use the product or allow the transfer, transmission, export or re-export of all or any part of the product in violation of any export control law or regulation of the united states or any other relevant jurisdiction.  Your use of this product constitutes acceptance of the terms of this limited use agreement.  Please refer to our “terms & conditions” for details.  If you are not willing to accept the limitation of this agreement, G&P Biosciences will accept return of the product for a full/partial refund.