HGK (MAP4K4 ), GST-tag Recombinant

Catalog #
40109
$410 *
Size: 10 µg
Qty
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Description

Recombinant human HGK (a.a. 1-328), with N-terminal GST-tag, expressed in Sf9 insect cells via a baculovirus expression system.

Synonyms
MAP4K4, NIK, FLH21957, FLJ10410, FLJ20373, FLJ90111, KIAA0687
Product Info
Storage and Usage
Citations
Species
Human
Host Species/Expression System
Sf9 insect cells
Purity
≥90%
Format
Aqueous buffer solution
Formulation
50 mM Tris-HCl, pH 7.5, 150 mM NaCl, 10 mM glutathione, 0.1 mM EDTA, 0.25 mM DTT, 0.1 mM PMSF, 25% glycerol.
MW
64 kDa
Amino Acids
1–328
Genbank #
NP_004825
UniProt #
O95819
Tag(s)
N-terminal GST-tag
Background

HGK is the mitogen-activated protein kinase 4(MAP4K4) and a member of the serine/threonine protein kinase family. HGK has been shown to specifically activate MAPK8/JNK (1). The activation of MAPK8 by HGK can be inhibited by dominant-negative mutants of MAP3K7/TAK1, MAP2K4/MKK4, and MAP2K7/MKK7, which suggest that this kinase functions through the MAP3K7-MAP2K4-MAP2K7 kinase cascade and mediates TNF-α signaling. HGK-dependent signaling inhibits PPARγ-responsive gene expression, adipogenesis, and insulin-stimulated glucose transport (2).

References
1. Yao, Z. et.al: A novel human STE20-related protein kinase, HGK, that specifically activates the c-jun N-terminal kinase signaling pathway. J. Biol. Chem. 274: 2118-2125, 1999.
2. Tang, X. et.al: An RNA interference-based screen identifies MAP4K4/NIK as a negative regulator of PPAR-gamma, adipogenesis, and insulin-responsive hexose transport. Proc. Nat. Acad. Sci. 103: 2087-2092, 2006.