Recombinant Human Nectin-4 Fc Chimera Avi-tag Protein, CF

Biotinylated
Catalog # Availability Size / Price Qty
AVI10682-050
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Recombinant Human Nectin-4 Fc Chimera Avi-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. When Recombinant Human Nectin-1 Fc Chimera (Catalog # 10697-N1) is immobilized at 1.00 µg/mL (100 µL/well), Biotinylated Recombinant Human Nectin-4 Fc Chimera Avi-tag binds with an ED50 of 0.500-2.50 μg/mL.
Source
Chinese Hamster Ovary cell line, CHO-derived human Nectin-4 protein
Human Nectin-4
(Gly32-Ser349)
Accession # Q96NY8.1
IEGRMDHuman IgG1 Fc
(Pro 100-Lys 330)
Avi-tag
N-terminusC-terminus
Accession #
N-terminal Sequence
Analysis
Gly 32
Structure / Form
Biotinylated via Avi-tag.
Predicted Molecular Mass
63 kDa
SDS-PAGE
74-84 kDa, under reducing conditions.

Product Datasheets

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AVI10682

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.

AVI10682

Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute at 500 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.

Data Images

Binding Activity View Larger

When Recombinant Human Nectin-1 Fc Chimera (Catalog # 10697-N1) is immobilized at 1 µg/mL (100 µL/well), Biotinylated Recombinant Human Nectin-4 Fc Chimera Avi-tag (Catalog # AVI10682) binds with an ED50 of 0.500-2.50 ug/mL.

SDS-PAGE Biotinylated Recombinant Human Nectin‑4 Fc Chimera Avi-tag Protein SDS-PAGE. View Larger

2 μg/lane of Biotinylated Recombinant Human Nectin‑4 Fc Chimera Avi-tag Protein (Catalog # AVI10682) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 74-84 kDa and 150-170 kDa, respectively.

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: Nectin-4

Nectin-4 (gene name PVRL4, poliovirus receptor-like 4) is a 66 kDa type I transmembrane glycoprotein belonging to the Nectin family of Ig superfamily proteins (1). The Latin word necto means "to connect", indicating the role of nectins in Ca2+‑independent cell-cell adhesion (2). Nectin-4 forms homodimers in cis, followed by interactions in trans with Nectin-1 or -4 (1-3). Human Nectin-4 mRNA is normally expressed in the placenta, especially in endothelial cells, while in the mouse it is found in the embryo, lung, testis and brain (1, 4, 5). Human Nectin-4 cDNA encodes 510 amino acids (aa), including a 31 aa signal sequence, a 318 aa extracellular domain (ECD), a 21 aa transmembrane segment (TM), and a 140 aa cytoplasmic region. Nectin ECDs contain three Ig-like domains: an N‑terminal V-type that mediates ligand binding, and two C2-type (1, 3). One Nectin‑4 isoform lacks aa 412-436 in the cytoplasmic domain (1). In many human ductal breast or non-small cell lung carcinomas, Nectin‑4 is upregulated and a soluble 43 kDa form is found in the plasma (4-6). This form is generated from the membrane protein via the action of TACE/ADAM-17 (6). The extracellular domain of human Nectin-4 shares 91%, 92%, 93%, 91% and 90% amino acid sequence homology with the corresponding regions of mouse, rat, canine, porcine and bovine Nectin-4, respectively. In forming adherens junctions, trans interactions of Nectin-4 initiate cell-cell interactions and recruit intracellular cadherins through afadin and other junctional proteins (1, 2). These interactions organize the actin cytoskeleton, strengthen attachment to basement membrane and promote further cell-cell connections (2, 7). In humans, mutation of Nectin-4 has been correlated with ectodermal dysplasia-syndactyly syndrome, indicating a role for Nectin-4 in human development (7). Our Avi-tag Biotinylated human Nectin‑4 features biotinylation at a single site contained within the Avi-tag, a unique 15 amino acid peptide. Protein orientation will be uniform when bound to streptavidin-coated surface due to the precise control of bionylation and the rest of the protein is unchanged so there is no interference in the protein bioactivity.

References
  1. Reymond, N. et al. (2001) J. Biol. Chem. 276:43205.
  2. Takai, Y. et al. (2008) Nat. Rev. Mol. Cell Biol. 9:603.
  3. Fabre, S. et al. (2002) J. Biol. Chem. 277:27006.
  4. Fabre-Lafay, S. et al. (2007) BMC Cancer 7:73.
  5. Takano, A. et al. (2009) Cancer Res. 69:6694.
  6. Fabre-Lafay, S. et al. (2005) J. Biol. Chem. 280:19543.
  7. Brancati, F. et al. (2010) Am. J. Hum. Genet. 87:265.
  8. Challita-Eid, P.M. et al. (2016) Cancer Res. 76:3003.
Long Name
Poliovirus Receptor Related 4
Entrez Gene IDs
81607 (Human); 71740 (Mouse); 498281 (Rat); 102127936 (Cynomolgus Monkey)
Alternate Names
EDSS1; Ig superfamily receptor LNIR; LNIR; LNIRnectin 4; Nectin4; Nectin-4; poliovirus receptor-related 4; poliovirus receptor-related protein 4; PRR4; PRR4DKFZp686K05193; PVRL4

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