HER2/CD340 Protein, Human (HEK293, His, MALS verified)
Based on 1 Customer Validation
研究用途以外に使用した場合、当社は一切の責任を負いかねます。
- Species: Human
- Source: HEK293
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保管条件:Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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生物活性
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Technical Parameters
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Product Properties
- ドキュメント
- Help & FAQs
生物活性
Background
HER2/CD340 Protein, a dynamic protein tyrosine kinase, stands as a pivotal component within diverse cell surface receptor complexes, requiring a coreceptor for efficient ligand binding. Crucially, it plays an indispensable role as part of the neuregulin-receptor complex, with GP30 identified as a potential ligand for this receptor. Beyond its receptor functions, HER2/CD340 Protein intricately regulates the outgrowth and stabilization of peripheral microtubules (MTs). Upon activation, the MEMO1-RHOA-DIAPH1 signaling pathway, initiated by ERBB2 activation, orchestrates the phosphorylation and subsequent inhibition of GSK3B at the cell membrane. This strategic inhibition prevents the phosphorylation of APC and CLASP2, facilitating their association with the cell membrane. Notably, membrane-bound APC enables the localization of MACF1 to the cell membrane, a prerequisite for microtubule capture and stabilization. Within the nucleus, HER2/CD340 Protein is actively involved in transcriptional regulation, associating with the 5'-TCAAATTC-3' sequence in the PTGS2/COX-2 promoter to activate transcription. Furthermore, its engagement in the transcription of rRNA genes by RNA Pol I enhances protein synthesis, contributing to overall cell growth. The multifaceted activities of HER2/CD340 Protein underscore its central role in orchestrating diverse cellular processes, ranging from receptor signaling to microtubule dynamics and transcriptional regulation.
Verified Bioactivity
1.This product does not contain protein kinase domain.
2.Measured by its binding ability in a functional ELISA. Immobilized Human HER2 at 1 μg/mL (100μL/well) can Trastuzumab (HY-P9907). The ED50 for this effect is 1.730 ng/mL.
3.Measured by its binding ability in a functional ELISA. Immobilized Human HER2 at 1 μg/mL (100μL/well) can Pertuzumab (HY-P9912). The ED50 for this effect is 3.655 ng/mL.
4.Trastuzumab (HY-P9907) immobilized on Protein A Chip can bind Human HER2 with an affinity constant of 0.739 nM as determined in a SPR assay.
5.Anvatabart (HY-P990697) immobilized on Protein A Chip can bind Human HER2 with an affinity constant of 1.3 nM as determined in a SPR assay.
Technical Parameters
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Species Human
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Source HEK293
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Tag C-10*His
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アクセッション番号
P04626-1 (T23-T652)
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遺伝子ID2064
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Protein Length
Extracellular Domain
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別名
ERBB2; P185erbB2; Prev. NGL; V-Erb-B2 Avian Erythroblastic Leukemia Viral Oncogene Homolog 2 (Neuro/Glioblastoma Derived Oncogene Homolog); HER2; V-Erb-B2 Erythroblastic Leukemia Viral Oncogene Homolog 2, Neuro/Glioblastoma Derived Oncogene Homolog; NEU; V-Erb-B2 Avian Erythroblastic Leukemia Viral Oncoprotein 2 Isoform C; Receptor Tyrosine-Protein Kinase ErbB-2; V-Erb-B2 Avian Erythroblastic Leukemia Viral Oncoprotein 2; Proto-Oncogene C-ErbB-2; Neuroblastoma/Glioblastoma Derived Oncogene Homolog; Proto-Oncogene Neu; Receptor Tyrosine-Protein Kinase ErbB-2 Variant; P185(ErbB2); Truncated HER2 Splice Variant P100; C-ERB-2; Receptor Protein-Tyrosine Kinase; C-ERB2; Metastatic Lymph Node Gene 19; MLN-19; Alternative Protein ERBB2; HER-2; C-Erb B2/Neu Protein; CD340; CD340 Antigen; V-Erb-B2 Avian Erythroblastic Leukemia Viral Oncogene Homolog 2; HER-2/Neu; Tyrosine Kinase-Type Cell Surface Receptor HER2; Herstatin; Neuro/Glioblastoma Derived Oncogene Homolog; VSCN2; Human Epidermal Growth Factor Receptor 2; MLN19; Metastatic Lymph Node Gene 19 Protein; TKR1; Erb-B2 Receptor Tyrosine Kinase 2; MLN 19
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AA Sequence
TQVCTGTDMKLRLPASPETHLDMLRHLYQGCQVVQGNLELTYLPTNASLSFLQDIQEVQGYVLIAHNQVRQVPLQRLRIVRGTQLFEDNYALAVLDNGDPLNNTTPVTGASPGGLRELQLRSLTEILKGGVLIQRNPQLCYQDTILWKDIFHKNNQLALTLIDTNRSRACHPCSPMCKGSRCWGESSEDCQSLTRTVCAGGCARCKGPLPTDCCHEQCAAGCTGPKHSDCLACLHFNHSGICELHCPALVTYNTDTFESMPNPEGRYTFGASCVTACPYNYLSTDVGSCTLVCPLHNQEVTAEDGTQRCEKCSKPCARVCYGLGMEHLREVRAVTSANIQEFAGCKKIFGSLAFLPESFDGDPASNTAPLQPEQLQVFETLEEITGYLYISAWPDSLPDLSVFQNLQVIRGRILHNGAYSLTLQGLGISWLGLRSLRELGSGLALIHHNTHLCFVHTVPWDQLFRNPHQALLHTANRPEDECVGEGLACHQLCARGHCWGPGPTQCVNCSQFLRGQECVEECRVLQGLPREYVNARHCLPCHPECQPQNGSVTCFGPEADQCVACAHYKDPPFCVARCPSGVKPDLSYMPIWKFPDEEGACQPCPINCTHSCVDLDDKGCPAEQRASPLT
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Predicted Molecular Mass
70.7 kDa
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分子量
Approximately 90-100 kDa, band on SDS-PAGE under reducing conditions due to the glycosylation. Approximately 75-105 kDa, verified by SEC-MALS.
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Glycosylation
Yes
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純度
≥ 95%, as determined by reducing SDS-PAGE.; ≥ 90%, as determined by MALS.
Product Properties
Lyophilized powder
Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4, 8% trehalose.
<0.01 EU/μg, determined by LAL method.
It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.
Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Room temperature in continental US; may vary elsewhere.
ドキュメント
Calculators
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
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