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Recombinant Human CD72 Protein

  • 表达系统: HEK293
  • Accession #: P21854
  • 蛋白标签: C-His
  • 生物活性: Testing in progress
  • 内毒素水平: <1.0 EU/μg
有货

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库存信息

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货号 (SKU) 包装规格 是否现货 价格 数量
rp181592-10μg
10μg 现货 Stock Image
rp181592-50μg
50μg 现货 Stock Image
rp181592-100μg
100μg 现货 Stock Image
rp181592-1mg
1mg 期货 Stock Image

基本描述

产品名称 Recombinant Human CD72 Protein
别名 重组人CD72蛋白 | 重组人 CD72 蛋白
英文别名 CD72 antigen | B-cell differentiation antigen CD72 | B cell differentiation antigen CD72 | CD72 molecule | CD72_HUMAN | CD72 | CD72b | Ly-19.2 | Ly-32.2 | Lyb-2 | LYB2 | lyb-2 | Lyb2
规格或纯度 Animal Free, Carrier Free, ≥90%(SDS-PAGE)
产品介绍


CD72, also known as Lyb‑2, is a 40‑45 kDa type II transmembrane glycoprotein that plays a role in immune system regulation. Mature human CD72 consists of a 95 amino acid (aa) cytoplasmic domain with two immunoreceptor tyrosine‑based inhibitory motifs (ITIMs), a 21 aa transmembrane segment, and a 243 aa extracellular domain with a coiled‑coil domain and a C‑type lectin domain. Within the ECD, human CD72 shares 48% and 44% aa sequence identity with mouse and rat CD72, respectively. CD72 is expressed on B lineage cells, NK cells, monocytes, dendritic cells, and mast cells. CD72 binds to CD5 with mouse/human cross‑reactivity and to Semaphorin 4D/CD100. It associates with CD79A in the B cell antigen receptor (BCR) complex following antigen stimulation and dampens BCR signaling through interactions with the phosphatase SHP‑1. CD72 ligation with antibodies or with Semaphorin 4D induces tyrosine dephosphorylation of the CD72 cytoplasmic domain and its dissociation from SHP‑1, leading to B cell proliferation. Both CD72 and Semaphorin 4D are required for the maintenance of B cell anergy and the regulation of peripheral B cell tolerance as shown by the development of autoimmunity in mice that lack either molecule. In addition to its negative regulation of BCR signaling, CD72 can induce positive signaling in B cells independent of the BCR. CD72 binding to Semaphorin 4D induces cytokine production by monocytes and dendritic cells, inhibits SCF R/c‑kit induced mast cell proliferation and activation, and inhibits the cytolytic activity of NK cells. Semaphorin 4D is expressed on activated NK cells and contributes to the adhesive interaction between NK and CD72+ target cells leading to a more efficient killing and enhanced IFN-gamma secretion.

生物活性 Testing in progress
内毒素水平 <1.0 EU/μg
表达系统 HEK293
种属 人(Human)
氨基酸 117-359 aa
序列 RYLQVSQQLQQTNRVLEVTNSSLRQQLRLKITQLGQSAEDLQGSRRELAQSQEALQVEQRAHQAAEGQLQACQADRQKTKETLQSEEQQRRALEQKLSNMENRLKPFFTCGSADTCCPSGWIMHQKSCFYISLTSKNWQESQKQCETLSSKLATFSEIYPQSHSYYFLNSLLPNGGSGNSYWTGLSSNKDWKLTDDTQRTRTYAQSSKCNKVHKTWSWWTLESESCRSSLPYICEMTAFRFPDHHHHHH
蛋白标签 C-His
无载体 Yes
无动物源 Yes
Accession # P21854
来源 重组表达
预测分子量 28.9 kDa
SDS-PAGE 30.6-37.0 kDa, under reducing conditions

储存与运输

物理形态 冻干(Lyophilized)
储存缓冲液 Lyophilized from PBS, pH 7.4
复溶 We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute at 0.1 mg/mL in sterile distilled water. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
储存温度 -20°C储存,避免反复冻融
运输条件 超低温冰袋运输
稳定性与储存 在 -20°C 下可保存 1 年。避免冷冻/解冻循环。
分子类型 蛋白质

图片

Recombinant Human CD72 Protein (rp181592) - SDS-PAGE
3 μg/lane of Recombinant Human CD72 Protein was resolved with SDS-PAGE under reducing (R) conditions and visualized by Coomassie® Blue staining, showing a band at 30.6-37.0 kDa.

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批号(Lot Number) 证书类型 货号
ZJ24F0707711 分析证书 rp181592
ZJ24F0707709 分析证书 rp181592
ZJ24F0707710 分析证书 rp181592

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