Recombinant Human Syndecan-4 Protein, CF

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Binding Activity
Format
Carrier-Free

Order Details

Recombinant Human Syndecan-4 Protein, CF Summary

Details of Functionality
Measured by its binding ability in a functional ELISA. Immobilized rhSyndecan-4 at 500 ng/mL (100 µL/well) can bind rhFGF-basic with a linear range of 0.1-10 ng/mL.
Source
Mouse myeloma cell line, NS0-derived human Syndecan-4 protein
Glu19-Glu145, with a C-terminal 6-His tag
Accession #
N-terminal Sequence
Glu19
Protein/Peptide Type
Recombinant Proteins
Gene
SDC4
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<1.0 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Theoretical MW
14.7 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
25-40 kDa, reducing conditions
Publications
Read Publications using
2918-SD in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human Syndecan-4 Protein, CF

  • Amphiglycan
  • MGC22217
  • Ryudocan core protein
  • Ryudocan
  • SDC4
  • SYND4ryudocan amphiglycan
  • syndecan 4 (amphiglycan, ryudocan)
  • syndecan 4
  • syndecan proteoglycan 4
  • Syndecan4
  • Syndecan-4

Background

Syndecan-4, previously known as amphiglycan or ryudocan, is a member of the syndecan family of Type 1 transmembrane proteins capable of carrying heparan sulfate (HS) and chondroitin sulfate glycosaminoglycans. The four vertebrate syndecans have two conserved cytoplasmic domains and divergent extracellular portions, except for HS attachment sites. Syndecan-4 is the most similar to Syndecan-2, but is more universally expressed and is found in virtually every cell type. Expression can be upregulated by TGF-beta 2 and in response to mechanical stress in smooth muscle, wound healing, arterial injury or acute myocardial infarction, probably in response to at least one inflammatory mediator (1, 2). Human Syndecan-4 is synthesized as a 198 amino acid (aa) core protein with an 18 aa signal sequence, a 127 aa extracellular domain containing three consensus Ser-Gly sequences for the attachment of HS side chains, a 25 aa transmembrane region and a 28 aa cytoplasmic tail (3). Human Syndecan-4 ECD shares approximately 79%, 78% and 81% aa identity with mouse, rat and porcine Syndecan-4 ECD, respectively. Addition of 20 - 80 disaccharides per side chain adds considerably to the size of the 20 kDa core protein. Non-covalent homodimerization of Syndecan-4 is dependent on the transmembrane domain (4). The HS chains can bind fibronectin, SDF-1, antithrombin, FGF-2, midkine and tissue factor pathway inhibitor and can present
FGF-2 to its receptors (1, 2, 5). Proteolytic cleavage by plasmin, thrombin or a metalloproteinase may create a functional ectodomain (6 - 8). Genetic disruption of the Syndecan-4 gene causes a mild phenotype, presumably due to compensation by other syndecans, but mice have an increase in placental thrombi as well as defects in wound healing and response to endotoxin shock (9, 10).

  1. Tkachenko, E. et al. (2005) Circ. Res. 96:488. 
  2. Oh, E.-S, and J. R. Couchman (2004) Mol. Cells 17:181.
  3. David, G. et al. (1992) J. Cell Biol. 118:961. 
  4. Choi, S. et al. (2005) J. Biol. Chem. 280:42573. 
  5. Charnaux, N. et al. (2005) FEBS J. 272:1937.  
  6. Schmidt, A. et al., J. Biol. Chem. 280:34441.
  7. Rauch, B. H. et al. (2005) J. Biol. Chem. 280:17507.
  8. Fitzgerald, M. L. et al. (2000) J. Cell Biol. 148:811.
  9. Ishiguro, K. et al. (2003) Glycoconj. J. 19:315.
  10. Echtermeyer, F. et al. (2001) J. Clin. Invest. 107:R9.

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Publications for Syndecan-4 (2918-SD)(2)

We have publications tested in 1 confirmed species: Human.

We have publications tested in 2 applications: Binding Assay, Enzyme Assay.


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(1)
Enzyme Assay
(1)
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Bioinformatics

Gene Symbol SDC4
Uniprot
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