GCK (MAP4K2), GST-tag Recombinant
Catalog #
40107
$410
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Description
Human GCK, also known as MAP4K2, GenBank Accession No. NM_004579, full length, with N-terminal GST tag, MW ~125 kDa, expressed in Sf9 insect cells via a baculovirus expression system.
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Synonyms
MAP4K2, BL44, RAB8IP
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Product Data Gallery
10% SDS-PAGE Coomassie Staining
Specific Activity
Product Info
Storage and Usage
Citations
Species
Human
Host Species/Expression System
Sf9 insect cells
Purity
≥80%
Format
Aqueous buffer solution
Formulation
50 mM Tris-HCl, pH 7.5, 150 mM NaCl, 0.25 mM DTT, 0.1 mM EGTA, 0.1 mM EDTA, 0.1 mM PMSF, 25% glycerol.
MW
125 kDa
Amino Acids
full length
Specific Activity
290 pmol/min/µg
Genbank #
NM_004579
UniProt #
Q12851
Background
GCK is a serine/threonine protein kinase that is activated by TNFα and interacts with the TNF receptor-associated factor 2 (TRAF2). GCK is upstream of MAP kinases and particularly activates the SAPK pathway (1). Although GCK is found in many tissues, its expression in lymphoid follicles is restricted to the cells of germinal centre, where it may participate in B-cell differentiation. A mouse protein Rab8ip that has high homology to GCK can interact with the vesicular transport protein Rab8. Based on its interaction with Rab8, it is postulated that Rab8ip/GCK may modulate secretion in response to stress stimuli (2).
References
1. Pombo C M, et al: Activation of the SAPK pathway by the human STE20 homologue germinal centre kinase. Nature 377: 750-754, 1995.
2. Ren M, et al: In its active form, the GTP-binding protein rab8 interacts with a stress-activated protein kinase. Proc. Nat. Acad. Sci. 93: 5151-5155, 1996.
2. Ren M, et al: In its active form, the GTP-binding protein rab8 interacts with a stress-activated protein kinase. Proc. Nat. Acad. Sci. 93: 5151-5155, 1996.
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