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Product Details
310-38-100UG
Applications
Tested Dilution
Publications
Product Specifications
Species
Human
Published species
Human
Expression System
CHO cells
Amino acid sequence
LFTVTVPKEL YIIEHGSNVT LECNFDTGSH VNLGAITASL QKVENDTSPH RERATLLEEQ LPLGKASFHI PQVQVRDEGQ YQCIIIYGVA WDYKYLTLKV KASYRKINTH ILKVPETDEV ELTCQATGYP LAEVSWPNVS VPANTSHSRT PEGLYQVTSV LRLKPPPGRN FSCVFWNTHV RELTLASIDL QSQMEPRTHP GGPKSCDKTH TCPPCPAPEL LGGPSVFLFP PKPKDTLMIS RTPEVTCVVV DVSHEDPEVK FNWYVDGVEV HNAKTKPREE QYNSTYRVVS VLTVLHQDWL NGKEYKCKVS NKALPAPIEK TISKAKGQPR EPQVYTLPPS RDELTKNQVS LTCLVKGFYP SDIAVEWESN GQPENNYKTT PPVLDSDGSF FLYSKLTVDK SRWQQGNVFS CSVMHEALHN HYTQKSLSLS PGK
Tag
Fc-tag
Molecular weight
48.6 kDa
Class
Recombinant
Type
Protein
Purity
≥ 95% by SDS-PAGE gel and HPLC analyses.
Endotoxin concentration
<1 EU/µg
Activity
Determined by its ability to bind programmed cell death ligand 1 (PD-1) in a functional ELISA.
Conjugate
Form
Lyophilized
Purification
purified
Contains
no preservative
Storage conditions
-20°C
Shipping conditions
Ambient
Product Specific Information
PeproTech's CHO cell-derived Recombinant Human PD-L2 Fc is a glycosylated, disulfide-linked homodimer of 433-amino-acid residues whose monomer consists of a 200-amino-acid portion of mature PD-L2, including Leu20 through Pro219, fused to the 231-amino-acid length Fc portion of human IgG1 by two glycines. The calculated molecular weight of monomeric CHO cell-derived Recombinant Human PD-L2 Fc is 48.6 kDa; however, due to glycosylation, it migrates at an apparent molecular weight of approximately 65-75 kDa by SDS-PAGE analysis under reducing conditions.
This product is shipped at ambient temperature. For storage, handling and reconstitution information, please see the lot-specific Certificate of Analysis
Target Information
Programmed death-ligand 2 (PD-L2), or B7-DC, is a member of the B7 ligand family within the immunoglobulin superfamily that, along with programmed death-ligand 1 (PD-L1), acts as a ligand for programmed cell death protein 1 (PD-1). Though expressed primarily in dendritic cells, PD-L2 expression can be induced on a wide variety of immune and non-immune cells depending on the microenvironment. PD-L2 expression is particularly upregulated in the presence of Th2 cytokine, IL-4, as well as Th1 cytokines, TNF-alpha and IFN-gamma to a lesser degree. While generally expressed at lower levels compared to PD-L1, PD-L2 demonstrates a 2 to 6 times higher relative affinity to PD-1 than PD-L1. PD-1 and its ligands are referred to as inhibitory immune checkpoint molecules in that they provide useful negative feedback during physiological homeostasis. Ligation of PD-L2 or PD-L1 inhibits activation, proliferation, and cytokine secretion (e.g. IFN-gamma, IL-10) in T cells, ultimately dampening immune response. Conversely, studies have shown that PD-L2 can also stimulate T cell proliferation and cytokine production, even in PD-1-deficient T cells, suggesting additional receptors. Recent studies have concluded that PD-L2 also binds to a second receptor, repulsive guidance molecule b (RGMb), which was originally identified as a receptor for bone morphogenetic proteins (BMPs). RGMb is expressed in the central nervous system, as well as in macrophages, however, its role in immunity is only beginning to emerge. Interaction between PD-L2 and RGMb regulates the development of respiratory tolerance in the lung through BMP and/or neogenin signaling pathways. The naturally occurring human PD-L2 monomer consists of a 201-amino-acid extracellular domain, a 21-amino-acid transmembrane domain, and a 32-amino-acid cytoplasmic domain.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Bioinformatics
Protein Aliases: B7 dendritic cell molecule; B7-DC; Butyrophilin B7-DC; CD273; MGC124039; MGC124040; PD-1 ligand 2; PD-1-ligand 2; PD1 ligand 2; PDCD1 ligand 2; Programmed cell death 1 ligand 2; programmed death ligand 2
Gene Aliases: B7DC; bA574F11.2; Btdc; CD273; PD-L2; PDCD1L2; PDCD1LG2; PDL2
UniProt ID: (Human) Q9BQ51
Entrez Gene ID: (Human) 80380
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