CD22 Lentiviral cDNA ORF Clone, Human, C-GFPSpark® tag

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CD22 Lentiviral cDNA ORF Clone, Human, C-GFPSpark® tag: 製品情報

遺伝子
Human
NCBI 参考シーケンス番号
遺伝子の長さ
2757 bp
シーケンスの特徴
Identical with the Gene Bank Ref. ID sequence.
製品の特徴
Full length Clone DNA of Homo sapiens CD22 molecule.
プラスミド
プロモーター
Enhanced CMV mammalian cell promoter
ベクター
制限部位
KpnI(two restriction sites) + NotI(6.54kb+0.59kb+2.18kb)
タグシーケンス
GFPSpark Tag Sequence: GTGAGCAAGGGC……GAGCTGTACAAG
シークエンシングプライマー
pLen-F(CTCGTTTAGTGAACCGTCAGAATT), pLen-R(GAACCGGAACCCTTAAACATGT)
品質管理
The plasmid is confirmed by full-length sequencing.
スクリーニング
細菌スクリーニング抵抗力
Ampicillin
保存 & 配送
配送方法
Each tube contains 10μg lyophilized plasmid
保存条件
The lyophilized plasmid can be stored at room temperature for three months

CD22 cDNA ORF ヌクレオチド配列およびアミノ酸配列に関する情報

**Sino Biological guarantees 100% sequence accuracy of all synthetic DNA constructs we deliver, but we do not guarantee protein expression in your experimental system. Protein expression is influenced by many factors that may vary between experiments or laboratories.**

CD22 Lentiviral cDNA ORF Clone, Human, C-GFPSpark® tag: 検証済の画像

CD22 Lentiviral cDNA ORF Clone, Human, C-GFPSpark® tag: 別名

SIGLEC-2 cDNA ORF Clone, Human; SIGLEC2 cDNA ORF Clone, Human

CD22 背景情報

CD22 is a member of the immunoglobulin superfamily, SIGLEC family of lectins. It is first expressed in the cytoplasm of pro-B and pre-B cells, and on the surface as B cells mature to become IgD+. CD22 serves as an adhesion receptor for sialic acid-bearing ligands expressed on erythrocytes and all leukocyte classes. In addition to its potential role as a mediator of intercellular interactions, signal transduction through CD22 can activate B cells and modulate antigen receptor signaling in vitro. The phenotype of CD22-deficient mice suggests that CD22 is primarily involved in the generation of mature B cells within the bone marrow, blood, and marginal zones of lymphoid tissues. CD22 recruits the tyrosine phosphatase Src homology 2 domain-containing phosphatase 1 (SHP-1) to immunoreceptor tyrosine-based inhibitory motifs (ITIMs) and inhibits B-cell receptor (BCR)-induced Ca2+ signaling on normal B cells. CD22 interacts specifically with ligands carrying alpha2-6-linked sialic acids. As an inhibitory coreceptor of the B-cell receptor (BCR), CD22 plays a critical role in establishing signalling thresholds for B-cell activation. Like other coreceptors, the ability of CD22 to modulate B-cell signalling is critically dependent upon its proximity to the BCR, and this in turn is governed by the binding of its extracellular domain to alpha2,6-linked sialic acid ligands. However, genetic studies in mice reveal that some CD22 functions are regulated by ligand binding, whereas other functions are ligand-independent and may only require expression of an intact CD22 cytoplasmic domain at the B-cell surface. CD19 regulates CD22 phosphorylation by augmenting Lyn kinase activity, while CD22 inhibits CD19 phosphorylation via SHP-1.
完全な名称
CD22 molecule
参考文献
  • Tedder TF, et al. (1997) CD22, a B lymphocyte-specific adhesion molecule that regulates antigen receptor signaling. Annu Rev Immunol. 15: 481-504.
  • Tedder TF, et al. (2005) CD22: a multifunctional receptor that regulates B lymphocyte survival and signal transduction. Adv Immunol. 88: 1-50.
  • Fujimoto M, et al. (2007) B cell signaling and autoimmune diseases: CD19/CD22 loop as a B cell signaling device to regulate the balance of autoimmunity. J Dermatol Sci. 46(1): 1-9.
  • Walker JA, et al. (2008) CD22: an inhibitory enigma. Immunology. 123(3): 314-25.
  • Nitschke L. (2009) CD22 and Siglec-G: B-cell inhibitory receptors with distinct functions. Immunol Rev. 230(1): 128-43.
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