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人 GP1BB/CD42c 基因全長cDNA ORF克隆 (表達載體), N-His 標籤

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Human GP1BB cDNA Clone產品資訊
註冊碼:NM_000407.4
cDNA基因長度:621bp
cDNA基因描述:Full length Clone DNA of Homo sapiens glycoprotein Ib (platelet), beta polypeptide with N terminal His tag.
基因別名:CD42c, GP1BB
分子種屬:Human
載體:pCMV3-SP-N-His
Plasmid:
限制性酶切位點:
Tag序列:His Tag Sequence: CACCATCACCACCATCATCACCACCATCAC
序列資訊:
Sequencing primers:T7(TAATACGACTCACTATAGGG) BGH(TAGAAGGCACAGTCGAGG)
Promoter:Enhanced CMV mammalian cell promoter
Application:Stable or Transient mammalian expression
Antibiotic in E.coli:Kanamycin
Antibiotic in mammalian cell:Hygromycin
運輸條件:Each tube contains lyophilized plasmid.
儲存方法:The lyophilized plasmid can be stored at room temperature for three months.
His Tag Info

A polyhistidine-tag is an amino acid motif in proteins that consists of at least five histidine (His) residues, often at the N- or C-terminus of the protein.

Polyhistidine-tags are often used for affinity purification of polyhistidine-tagged recombinant proteins expressed in Escherichia coli and other prokaryotic expression systems.

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研究背景

Platelet glycoprotein Ib (GPIb) complex is best known as a major platelet receptor for von Willebrand factor essential for platelet adhesion under high shear conditions found in arteries and in thrombosis. The GPIb complex is composed of GPIb alpha (Platelet glycoprotein Ib alpha chain) covalently attached to GPIb beta (Platelet glycoprotein Ib beta chain) and noncovalently complexed with GPIX and GPV. GPIb-beta, also known as GP1BB, CD42b-beta and CD42c, is single-pass type I membrane protein expressed in heart and brain, which is a critical component of the von Willebrand factor (vWF) receptor. The cysteine knot region of GPIb beta in the N terminus is critical for the conformation of GPIb beta that interacts with GPIX. The precursor of GP1BB is synthesized from a 1.0 kb mRNA expressed in plateletes and megakaryocytes. GPIb is a heterodimeric transmembrane protein consisting of a disulfide-linked 140 kD alpha chain and 22 kD beta chain. GPIb alpha chain provides the vWF binding site, and GPIb beta chain contributes to surface expression of the receptor and participates in transmembrane signaling through phosphorylation of its intracellular domain. GP1BB is part of the GPIb-V-IX system that constitutes the receptor for von Willebrand factor (vWF), and mediates platelet adhesion in the arterial circulation. Defects in GP1BB are a cause of Bernard-Soulier syndrome (BSS), also known as giant platelet disease (GPD). BSS patients have unusually large platelets and have a clinical bleeding tendency.

參考資料
  • Kenny D, et al. (2002) The cysteine knot of platelet glycoprotein Ib beta (GPIb beta) is critical for the interaction of GPIb beta with GPIX. Blood. 99(12): 4428-33.
  • Tang J,et al. (2004) Mutation in the leucine-rich repeat C-flanking region of platelet glycoprotein Ib beta impairs assembly of von Willebrand factor receptor. Thromb Haemost. 92(1): 75-88.
  • Vanhoorelbeke K, et al. (2007) Inhibition of platelet glycoprotein Ib and its antithrombotic potential. Curr Pharm Des. 13(26): 2684-97.
  • Clemetson KJ, et al. (2008) Platelet GPIb complex as a target for anti-thrombotic drug development. Thromb Haemost. 99(3): 473-9.
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    貨號: HG10742-NH
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