c-Kit Protein, Human, Recombinant (aa 540-972, His & GST)

c-Kit Protein, Human, Recombinant (aa 540-972, His & GST) is expressed in Baculovirus insect cells with His and GST tag. The predicted molecular weight is 76.8 kDa and the accession number is P10721-2.

c-Kit Protein, Human, Recombinant (aa 540-972, His & GST)

パッケージサイズ	在庫状況	単価(税別)
50 μg	約5 days	￥ 91,500

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説明	c-Kit Protein, Human, Recombinant (aa 540-972, His & GST) is expressed in Baculovirus insect cells with His and GST tag. The predicted molecular weight is 76.8 kDa and the accession number is P10721-2.

Species	Human
Expression Host	Baculovirus Insect Cells
Tag	His, GST
Accession Number	P10721-2
別名	C-Kit, PBT, SCFR, CD117, v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog
Construction	The Human KIT isoform 2 (P10721-2) cytoplasmic domain (Thr 540-Val 972) was fused with the N-terminal polyhistidine-tagged GST tag at the N-terminus.
Protein Purity	> 92 % as determined by SDS-PAGE
分子量	76.8 kDa (predicted)

Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing 50 mM Tris, 100 mM NaCl, pH 8.0, 20% gly, 3 mM DTT. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at-80℃. For reconstituted proteinsolutions, the solution can be stored at -20°c to -80'c for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice.
Research Background	C-Kit is a type 3 transmembrane receptor for MGF (mast cell growth factor, also known as stem cell factor). c-Kit contains 5 Ig-like C2-type (immunoglobulin-like) domains and 1 protein kinase domain. It belongs to the protein kinase superfamily, tyr protein kinase family, and CSF-1/PDGF receptor subfamily. C-Kit has tyrosine-protein kinase activity. Binding of the ligands leads to the autophosphorylation of KIT and its association with substrates such as phosphatidylinositol 3-kinase. Antibodies to c-Kit are widely used in immunohistochemistry to help distinguish particular types of tumor in histological tissue sections. It is used primarily in the diagnosis of GISTs. In GISTs, c-Kit staining is typically cytoplasmic, with stronger accentuation along the cell membranes. C-Kit antibodies can also be used in the diagnosis of mast cell tumors and in distinguishing seminomas from embryonal carcinomas. Mutations in the c-Kit gene are associated with gastrointestinal stromal tumors, mast cell disease, acute myelogenous leukemia, and piebaldism. Defects in KIT are a cause of acute myelogenous leukemia (AML). AML is a malignant disease in which hematopoietic precursors are arrested in an early stage of development. Note=Somatic mutations that lead to constitutive activation of KIT are detected in AML patients.Cancer ImmunotherapyImmune CheckpointImmunotherapyTargeted Therapy

参考文献

1. Andre C, et al. (1997) Sequence analysis of two genomic regions containing the KIT and the FMS receptor tyrosine kinase genes. Genomics. 39(2):216-26. 2. Yarden Y, et al. (1987) Human proto-oncogene c-kit: a new cell surface receptor tyrosine kinase for an unidentified ligand. EMBO J. 6(11):3341-51. 3. Leong KG, et al. (2008) Generation of a prostate from a single adult stem cell. Nature. 456(7223): 804-8. 4. Edling CE, et al. (2007) c-Kit--a hematopoietic cell essential receptor tyrosine kinase. Int J Biochem Cell Biol. 39(11):1995-8. 5. McIntyre A, et al. (2005) Amplification and overexpression of the KIT gene is associated with progression in the seminoma subtype of testicular germ cell tumors of adolescents and adults. Cancer Res. 65(18):8085-9.

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c-Kit Protein, Human, Recombinant (aa 540-972, His & GST)

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