492028

NRG1-β1/HRG1-β1 ECD, Human, Recombinant

• Code UNSPSC : 12352203
• Nomenclature NACRES : NA.77

Propriétés

• Essai: ≥90% (SDS-PAGE)
• Niveau de qualité: 100
• Forme: lyophilized
• Fabricant/nom de marque: Calbiochem^®
• Conditions de stockage: OK to freeze
• Impuretés: ≤1.0 EU/μg protein Endotoxin
• Conditions d'expédition: ambient
• Température de stockage: −20°C

Description

Description générale

Recombinant, human neuregulin 1-β1/heregulin 1-β1 extracellular domain (NRG1-beta1/HRG1-beta1 ECD) consisting of amino acids 2-246 and expressed in E. coli. All NRG1 isoforms contain an EGF-like domain (β-splice variant) that is used to directly bind to the ErbB3 or ErbB4 receptor tyrosine kinases.

Actions biochimiques/physiologiques

ED₅₀ = 2.5-12.5 ng/ml as measured in a serum-free proliferation assay using MCF7 human breast adenocarcinoma cells.

Avertissement

Toxicity: Standard Handling (A)

Forme physique

Lyophilized from 0.2 µm filtered acetonitrile, TFA, BSA.

Reconstitution

Following reconstitution refrigerate (4°C) for short term-storage or aliquot and freeze (-20°C) for long-term storage. Stock solutions are stable for up to 1 month at 4°C or for up to 3 months at -20°C.

Reconstitute 50 100 µg/ml with sterile PBS containing ≥1% human or bovine serum albumin.

Autres remarques

Buonanno, A., and G.D Fischbach 2001. Curr. Opin. Neurobiol.11, 287.
Adlkofer, K. and C. Lai 2000. Glia29, 104.
Garratt, A.N. et al., 2000. BioEssays22, 987.
Karey, K.P., et al. 1988. Cancer Res.48, 4083.

Informations légales

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3