Recombinant Cynomolgus/Rhesus EMMPRIN/CD147 Fc Protein, CF Summary
Additional Information |
aa 138-327 |
Details of Functionality |
Measured by its binding ability in a functional ELISA. When
Recombinant SARS-CoV-2 Spike RBD Fc Chimera (Catalog #
10499-CV) is immobilized
at 1 µg/mL (100 µL/well), Recombinant Cynomolgus Monkey EMMPRIN/CD147 Fc
Chimera (Catalog # 10797-EM) binds with an ED 50 of 1.50-12.0 µg/mL. |
Source |
Chinese Hamster Ovary cell line, CHO-derived EMMPRIN/CD147 protein Cynomolgus/Rhesus EMMPRIN/CD147 (Glu138-Ala327) Accession # XP_005587353.1 | IEGRMD | Human IgG1 (Pro100-Lys330) | N-terminus | | C-terminus | |
|
Accession # |
|
N-terminal Sequence |
Glu138 |
Structure / Form |
Disulfide-linked homodimer |
Protein/Peptide Type |
Recombinant Proteins |
Purity |
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining. |
Endotoxin Note |
<0.10 EU per 1 μg of the protein by the LAL method. |
Applications/Dilutions
Dilutions |
|
Theoretical MW |
47 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
SDS-PAGE |
63 - 72 kDa, under reducing conditions. |
Packaging, Storage & Formulations
Storage |
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. - 6 months from date of receipt, -20 to -70 °C as supplied.
- 2 weeks, 2 to 8 °C under sterile conditions after opening.
- 3 months, -20 to -70 °C under sterile conditions after opening.
|
Buffer |
Supplied as a 0.2 μm filtered solution in PBS with Trehalose. |
Purity |
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining. |
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Cynomolgus/Rhesus EMMPRIN/CD147 Fc Protein, CF
Background
Extracellular matrix metalloproteinase (MMP) inducer (EMMPRIN), also known as basigin and CD147, is a 44‑66 kDa, variably N‑ and O‑glycosylated, type I transmembrane protein that belongs to the immunoglobulin superfamily (1‑4). Based on its high homology with human EMMPRIN, cynomolgus EMMPRIN is predicted to contain a 24 aa signal sequence, a 190 aa extracellular domain (ECD), a 21 aa transmembrane (TM) segment and a 41 aa cytoplasmic tail. The ECD contains one C2‑type and one V‑type Ig‑like domain. There is one 385 aa human splice variant that contains an extra N‑terminal IgCAM domain and is found only in the retina (5). There are additional multiple potential isoform variants for EMMMPRIN. Two that have been characterized are 205 and 176 aa in length. The 176 aa isoform utilizes an alternative start site at Met94, while the 205 aa isoform contains an 11 aa substitution for aa 1‑75. Notably, the 176 aa isoform heterodimerizes with the standard EMMPRIN isoform and down‑modulates its activity. This is in contrast to EMMPRIN homodimers that show full biological activity (6). EMMPRIN is expressed in areas of tissue remodeling, including endometrium, placenta, skin, and regions undergoing angiogenesis (1, 2, 7‑10). It is also expressed on cells with high metabolic activity, such as lymphoblasts, macrophages and particularly tumor cells (2, 11). On such cells, EMMPRIN is often co‑expressed with the amino acid transporter CD98h (12). EMMPRIN also interacts with caveolin-1 (via its C2‑like domain), and this reduces the level of EMMPRIN glycosylation and subsequent EMMPRIN multimerization and activity (13). In addition, EMMMPRIN is reported to complex with both annexin II and beta
1 integrins alpha
3 and alpha
6, an interaction that contributes to tumor growth and metastasis (14‑16). Finally, the soluble calcium‑binding protein S100A9 has now been identified as a ligand for EMMPRIN, and may mediate many of the tumorigenic activities attributed to EMMPRIN (17). EMMPRIN’s TM sequence contains a charged aa (Glu), and a Pro important for intracellular interactions with cyclophilins (CyP) (3, 18, 19). CyPA (cyclosporin A receptor) and CyP60 interactions with the TM segment promote leukocyte inflammatory chemotaxis and surface expression of EMMPRIN, respectively (18, 19). An active 22 kDa fragment can be shed from tumor cells by MT1‑MMP (1). Tumor cells can also release active, full‑length EMMPRIN in microvesicles (20, 21). Functionally, EMMPRIN is known to induce urokinase‑type plasminogen activator (uPA), VEGF, hyaluronan and multiple MMPs (1, 2, 8‑10). Cynomolgus EMMPRIN (269 aa) shows 78% aa identity with human EMMPRIN.
- Gabison, E. E. et al. (2005) Biochimie 87:361.
- Yurchenko, V. et al. (2006) Immunology 117:301.
- Kasinrerk, W. et al. (1992) J. Immunol. 149:847.
- Iacono, K.T. et al. (2007) Exp. Mol. Pathol. 83:283.
- Hanna, S. M. et al. (2003) BMC Biochem. 4:17.
- Liao, C-G. et al. (2011) Mol. Cell. Biol. 31:2591.
- Riethdorf, S. et al. (2006) Int. J. Cancer 119:1800.
- Braundmeier, A. G. et al. (2006) J. Clin. Endocrinol. Metab. 91:2358.
- Tang, Y. et al. (2006) Mol. Cancer Res. 4:371.
- Quemener, C. et al. (2007) Cancer Res. 67:9.
- Wilson, M. C. et al. (2005) J. Biol. Chem. 280:27213.
- Xu, D. and M. E. Hemler, (2005) Mol. Cell. Proteomics 4:1061.
- Tang, W. et al. (2004) Mol. Biol. Cell 15:4043.
- Zhao, P. et al. (2010) Cancer Sci. 101:387.
- Dai, J. et al. (2009) BMC Cancer 9:337.
- Li, Y. et al. (2012) J. Biol. Chem. 287:4759.
- Hibino, T. et al. (2013) Cancer Res. 73:172.
- Arora, K. et al. (2005) J. Immunol. 175:517.
- Pushkarsky, T. et al. (2005) J. Biol. Chem. 280:27866.
- Egawa, N. et al. (2006) J. Biol. Chem. 281:37576.
- Sidhu, S. S. et al. (2004) Oncogene 23:956.
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