PD-L2 (programmed death ligand 2), also referred to as B7-DC or CD273, is a single pass type I transmembrane glycoprotein that belongs to the B7 family of the Ig superfamily. It was originally identified as a homolog of PD-L1. Like PD-L1 and other B7 family members, PD-L2 contains one Ig V-like and one Ig C-like domain in the extracellular region. Among the family members, they share about 20-25% amino acid identity. PD­L1 and PD­L2 share ~41% amino acid sequence identity and have similar functions. PD-L2 is expressed on antigen presenting cells, placental endothelium and medullary thymic epithelial cells, and can be induced by LPS and INF-γ. PD-L2 and PD-L1 are two ligands for PD-1/CD279, a member of the CD28/CTLA4 family receptors that play critical roles in regulating T cell activation and immune tolerance. Interaction with PD-1, which has a cytoplasmic immunoreceptor tyrosine-based inhibitory motif (ITIM), inhibits T-cell proliferation and cytokine production. PD-L2 is also a dendritic cell molecule with co-stimulatory properties for T cells.  The interaction of PD-L2/PD-1 has a 2-6-fold higher affinity than that of B7-H1/PD-1.

PD-L2 (programmed death ligand 2), also referred to as B7-DC or CD273, is a single pass type I transmembrane glycoprotein that belongs to the B7 family of the Ig superfamily. It was originally identified as a homolog of PD-L1. Like PD-L1 and other B7 family members, PD-L2 contains one Ig V-like and one Ig C-like domain in the extracellular region. Among the family members, they share about 20-25% amino acid identity. PD­L1 and PD­L2 share ~41% amino acid sequence identity and have similar functions. PD-L2 is expressed on antigen presenting cells, placental endothelium and medullary thymic epithelial cells, and can be induced by LPS and INF-γ. PD-L2 and PD-L1 are two ligands for PD-1/CD279, a member of the CD28/CTLA4 family receptors that play critical roles in regulating T cell activation and immune tolerance. Interaction with PD-1, which has a cytoplasmic immunoreceptor tyrosine-based inhibitory motif (ITIM), inhibits T-cell proliferation and cytokine production. PD-L2 is also a dendritic cell molecule with co-stimulatory properties for T cells.  The interaction of PD-L2/PD-1 has a 2-6-fold higher affinity than that of B7-H1/PD-1.

 

Product Details

 

Gene Symbol: PD-L2; CD273; B7-DC; PDL2; PDCD1LG2; B7DC; CD273; PDCD1L2; PDL2

 

NCBI Gene ID: 80380

 

Uniprot Entry: Q9BQ51

 

Construct Details: Full length human PD-L2 gene is subcloned into the Lentiviral expression vector pLTC with an upstream CMV promoter, which can be used for both transient and stable expression in mammalian cells.  It can be co-transfected with the LentiPAK DNA mix (SKU# LP-001) into HEK293 cells to produce high titer lentiviral particles.

 

Vector Type: pLTC (lentiviral expression vector containing a heterologous CMV promoter, see the vector map above)

 

Formulation: Supplied with 10 μg of endotoxin-free plasmid DNA at 200 ng/μl in sterile TE buffer (pH8.0)

 

Gene Insert Size: 822 (bp)

 

Gene Insert Sequence:  

ATGATCTTCCTCCTGCTAATGTTGAGCCTGGAATTGCAGCTTCACCAGATAGCAGCTTTATTCACAGTGACAGTCCCTAA

GGAACTGTACATAATAGAGCATGGCAGCAATGTGACCCTGGAATGCAACTTTGACACTGGAAGTCATGTGAACCTTGGAG

CAATAACAGCCAGTTTGCAAAAGGTGGAAAATGATACATCCCCACACCGTGAAAGAGCCACTTTGCTGGAGGAGCAGCTG

CCCCTAGGGAAGGCCTCGTTCCACATACCTCAAGTCCAAGTGAGGGACGAAGGACAGTACCAATGCATAATCATCTATGG

GGTCGCCTGGGACTACAAGTACCTGACTCTGAAAGTCAAAGCTTCCTACAGGAAAATAAACACTCACATCCTAAAGGTTC

CAGAAACAGATGAGGTAGAGCTCACCTGCCAGGCTACAGGTTATCCTCTGGCAGAAGTATCCTGGCCAAACGTCAGCGTT

CCTGCCAACACCAGCCACTCCAGGACCCCTGAAGGCCTCTACCAGGTCACCAGTGTTCTGCGCCTAAAGCCACCCCCTGG

CAGAAACTTCAGCTGTGTGTTCTGGAATACTCACGTGAGGGAACTTACTTTGGCCAGCATTGACCTTCAAAGTCAGATGG

AACCCAGGACCCATCCAACTTGGCTGCTTCACATTTTCATCCCCTTCTGCATCATTGCTTTCATTTTCATAGCCACAGTG

ATAGCCCTAAGAAAACAACTCTGTCAAAAGCTGTATTCTTCAAAAGACACAACAAAAAGACCTGTCACCACAACAAAGAG

GGAAGTGAACAGTGCTATCTGA

 

Primers: Gene insert coding sequence can be confirmed by following primers:

(a) forward (or 5'-end) primer: 5’-CAAATGGGCGGTAGGCGTG-3’;

(b) reverse (or 3'-end) primer: 5’-CGGGAAGCAATAGCATGATA-3’

 

 

Note: The sequence may vary due to the naturally occurring variants or mutations, such as single nucleotide polymorphism, or the artifact during PCR amplification.  High fidelity PCR systems should always be used. 

 

  

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.

 

Storage

 

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 6 months. 

 

 

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

 

 

 

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

 

References

 

1. Nat. Immunol. 2: 261-268 (2001).

2. J. Exp. Med. 193: 839-846 (2001).

3. Proc. Natl. Acad. Sci. 100: 5336-5341 (2003).

4. Eur. J. Immunol. 35: 3561-3569 (2005).

5. Nature Immunol. 2:203 (2001).  

6. Annu. Rev. Immunol. 20:29 (2002). 

 

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

 

Documentation

 

Product datasheet (pdf) can be downloaded here: LTP0748-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.