Recombinant Human PD-L2 Fc
货号：310-38-100,310-38-1000,310-38-20,310-38-250,310-38-500
规格：100ug,1mg,20ug,250ug,500ug
价格：1425,9425,585,4112,6112
产品类型：细胞因子添加物
品牌：PeproTech
| 产品描述：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-α and IFN-γ 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. 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.来源:CHO cells别名:Programmed cell death 1 ligand 2 (PDCD1 ligand 2), PD-1 ligand 2, Programmed death ligand 2, Butyrophilin B7-DC, CD273, PDCD1LG2, PDCD1L2, PDLB7DC氨基酸序列: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纯度:≥ 95% by SDS-PAGE gel and HPLC analyses.生物活性:Determined by its ability to bind programmed cell death ligand 1 (PD-1) in a functional ELISA.Calculated Molecular Weight:48.6 kDaAccession Number:Q9BQ51Gene ID:80380交叉反应:原产品:USA |
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