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H3165 Sigma

HER4 (682-993), active, GST tagged human

PRECISIO® Kinase, recombinant, expressed in baculovirus infected Sf9 cells, ≥70% (SDS-PAGE), buffered aqueous glycerol solution

Synonym: ERBB4, MG C138404, p180erbB4

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Properties

Related Categories Active Kinases, Application Index, Biochemicals and Reagents, Cell Biology, Cell Signaling Enzymes,
recombinant   expressed in baculovirus infected Sf9 cells
grade   PRECISIO® Kinase
assay   ≥70% (SDS-PAGE)
form   buffered aqueous glycerol solution
activity   569-770 nmol/min·mg
mol wt   mol wt ~57 kDa
shipped in   dry ice
storage temp.   −70°C
Gene Information   human ... ERBB4(2066)

Description

Biochem/physiol Actions

HER4 or ERBB4 is a transmembrane receptor tyrosine kinase that belongs to epidermal growth factor receptor family. Through its interaction with its activating ligand heregulin, HER4 can regulate proliferation and differentiation of cells. HER4 ectodomain is cleaved by a metalloprotease, gamma-secretase that releases the HER4 intracellular domain from the membrane and facilitates its translocation to the nucleus. The kinase activity of HER4 is both necessary and sufficient to trigger an antiproliferative response in human breast cancer cells. Increased expression of HER4 has been detected in various cancers and this usually correlates to better survival.

Physical form

Supplied in 50 mM Tris-HCl, pH 7.5, with 150 mM NaCl, 0.2 5mM DTT, 0.1 mM EGTA, 0.1 mM EDTA, 0.1 mM PMSF, and 25% glycerol.

Legal Information

PRECISIO is a registered trademark of Sigma-Aldrich Co. LLC

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Safety & Documentation

Safety Information

Protocols & Articles
Peer-Reviewed Papers
15

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