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Recombinant Human VSIG3 His-tag Protein, CF

Catalog #: 10806-VS Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
10806-VS-050
Recombinant Human VSIG3 His-tag Protein Binding Activity.
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Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant Human VSIG3 His-tag Protein, CF Summary

Product Specifications

Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA.

Recombinant Human VSIG3 His-tag (Catalog # 10806-VS) binds to Recombinant Human VISTA/B7-H5/PD-1H Fc Chimera (Catalog # 7126-B7) with an ED50 of 0.0750 - 0.750 μg/mL.

Source
Mouse myeloma cell line, NS0-derived human VSIG3 protein
Leu23-Gly245, with a C-terminal 6-His tag
Accession #
Q5DX21.3
N-terminal Sequence
Analysis
Leu23
Predicted Molecular Mass
24 kDa
SDS-PAGE
32-41 kDa, under reducing conditions

Product Datasheets

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10806-VS

Product Datasheet
COA
SDS

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

10806-VS

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 200 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & 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.

Scientific Data

Binding Activity View Larger

Recombinant Human VSIG3 His-tag Protein (Catalog # 10806-VS) binds to Recombinant Human VISTA/B7-H5/PD-1H Fc Chimera (7126-B7) with an ED50 of 0.0750 - 0.750 μg/mL.

SDS-PAGE View Larger

2 μg/lane of Recombinant Human VSIG3 His-tag (Catalog # 10806-VS) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 32-41 kDa.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: VSIG3

VSIG3, also known as IGSF11, BT-IgSF, and CLMP, is an approximately 50 kDa transmembrane adhesion protein (1). Mature human VSIG3 consists of a 219 amino acid (aa) extracellular domain (ECD) that contains two tandem Ig-like domains, a 21 aa transmembrane segment, and a 169 aa cytoplasmic domain (2). Within the ECD, human VSIG3 shares 95% aa sequence identity with mouse and rat VSIG3. Alternative splicing generates additional isoforms with a substituted signal peptide that may also have a deletion in the second Ig-like domain (3). VSIG3 is expressed on epithelial and endothelial cells, neurons and glial cells, and platelets (2-4). It localizes to epithelial tight junctions and mediates homophilic in trans cell adhesion (3-5). VSIG3 also localizes to neuronal postsynaptic densisties where it recruits the GluA1 and GluA2 subunits of AMPA receptors and supports excitatory synaptic transmission (6). The short isoform can be up-regulated in gastric cancer (7). In zebrafish, VSIG3 is expressed in melanophores and their precursors and plays a role in the development and patterning of pigment cells (8).

References
  1. Schreiber, J. et al. (2014) Adv. Neurobiol. 8:21.
  2. Suzu, S. et al. (2002) Biochem. Biophys. Res. Commun. 296:1215.
  3. Katoh, M. and M. Katoh (2003) Int. J. Oncol. 23:525.
  4. Raschperger, E. et al. (2004) J. Biol. Chem. 279:796.
  5. Harada, H. et al. (2005) J. Cell. Physiol. 204:919.
  6. Jang, S. et al. (2016) Nat. Neurosci. 19:84.
  7. Watanabe, T. et al. (2005) Cancer Sci. 96:498.
  8. Eom, D.S. et al. (2012) PLoS Genet. 8:e1002899.
Long Name
V-Set and Immunoglobulin Domain Containing 3
Entrez Gene IDs
152404 (Human); 207683 (Mouse); 303926 (Rat); 102146257 (Cynomolgus Monkey)
Alternate Names
Brain and testis-specific immunoglobulin superfamily protein; BTIGSF; BT-IgSF; cancer/testis antigen 119; CT119; CXADR like 1; CXADRL1; IGSF11; Igsf13; immunoglobulin superfamily member 11; immunoglobulin superfamily, member 11; MGC35227; V-set and immunoglobulin domain containing 3; V-set and immunoglobulin domain-containing protein 3; VSIG3; VSIG3brain and testis-specific immunoglobin superfamily protein

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