539735
PTP1B, Human, Recombinant, E. coli
Sinônimo(s):
Protein Tyrosine Phosphatase 1B
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About This Item
Código UNSPSC:
12352202
NACRES:
NA.77
Produtos recomendados
fonte biológica
human
Nível de qualidade
recombinante
expressed in E. coli
Ensaio
≥90% (SDS-PAGE)
forma
liquid
atividade específica
≥20 U/mg
peso molecular
37,400 g/mol
fabricante/nome comercial
Calbiochem®
condição de armazenamento
OK to freeze
avoid repeated freeze/thaw cycles
Condições de expedição
wet ice
temperatura de armazenamento
−70°C
Informações sobre genes
human ... PTP1B(5770)
Descrição geral
Research area: Cell Signaling
Recombinant, human PTP1B expressed in E. coli. PTP1B, an ubiquitous nontransmembrane protein tyrosine phosphatase, was originally identified in human placenta. This highly active enzyme is useful for the study of tyrosine phosphatase kinetics, substrate specificity, and for screening inhibitors. PTP1B comprises three domains: an N-terminal catalytic domain (1–300), a regulatory domain (301–400), and a C-terminal domain (401–435) that is accountable for directing the enzyme to the endoplasmic reticulum (ER) membrane.
Recombinant, human PTP1B expressed in E. coli. PTP1B, an ubiquitous nontransmembrane protein tyrosine phosphatase, was originally identified in human placenta. This highly active enzyme is useful for the study of tyrosine phosphatase kinetics, substrate specificity, and for screening inhibitors. PTP1B comprises three domains: an N-terminal catalytic domain (1–300), a regulatory domain (301–400), and a C-terminal domain (401–435) that is accountable for directing the enzyme to the endoplasmic reticulum (ER) membrane.
Aplicação
Protein tyrosine phosphatase 1B (PTP1B), Human, Recombinant, E. coli has been used in the dephosphorylation assay of Glutathione S-transferase (GST) fusion proteins as well as in the in vitro kinase assays. It has also been used to construct a 66-member PTP1B library for discovery of enzyme inhibitors using click chemistry.
Ações bioquímicas/fisiológicas
Protein tyrosine phosphatase 1B (PTP1B) serves as a crucial enzyme in dephosphorylating insulin receptor and its downstream signaling components. Furthermore, it participates in the negative regulation of the leptin signaling pathway by dephosphorylation of the upstream signaling molecules, leading to the suppression of the neuropeptide Y synthesis, an appetite-stimulating hormone. Improper functioning of PTP1B has been associated with a variety of human diseases, including cancer, diabetes, obesity and inflammation.
Embalagem
Please refer to vial label for lot-specific concentration.
Advertência
Toxicity: Standard Handling (A)
Definição da unidade
One unit is defined as the amount of enzyme that will hydrolyze 1 µmol of phosphopeptide substrate (Cat. No. 539737) per min at 30°C, pH 7.2 using 150 µM of substrate.
forma física
In 50 mM HEPES, 1 mM DTT, 1 mM EDTA, 0.05% NP-40, pH 7.2.
Reconstituição
Following initial thaw, aliquot and freeze (-70°C).
Outras notas
Puius, Y.A., et al. 1997. Proc. Natl. Acad. Sci. USA94, 13420.
Liu, F., et al. 1996. J. Biol. Chem.271, 31290.
Liu, F., et al. 1996. J. Biol. Chem.271, 31290.
Informações legais
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Código de classe de armazenamento
12 - Non Combustible Liquids
Classe de risco de água (WGK)
WGK 1
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Certificados de análise (COA)
Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.
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