Proto-oncogene tyrosine-protein kinase Fes/Fps, also known as Proto-oncogene c-Fes, Proto-oncogene c-Fps, Feline sarcoma oncogene, FES and FPS, is a protein which contains one FCH domain, one protein kinase domain and one SH2 domain. FES is a non-receptor protein tyrosine kinase expressed in hematopoietic progenitors and differentiated myeloid cells. FES is observed in the nuclear, granular and plasma membrane fractions of primary human neutrophils and the myeloid leukemia cell line, HL-60. The nuclear localization is confirmed by immunocytochemistry of neutrophils. FES has been implicated in granulocyte-macrophage colony-stimulating factor (GM-CSF), interleukin-3 (IL-3) and erythropoietin signal transduction. FES has tyrosine-specific protein kinase activity and that activity is required for maintenance of cellular transformation. FES is also involved in normal hematopoiesis. Its chromosomal location has linked it to a specific translocation event identified in patients with acute promyelocytic leukemia.
Product Name:
FES Kinase Recombinant Protein (RPES2600)
Product Code:
RPES2600
Size:
20µg
Species:
Human
Expressed Host:
Baculovirus-Insect Cells
Synonyms:
FPS
Accession:
P07332-1
Sequence:
Met 1-Arg 822
Fusion tag:
N-His & GST
Activity:
The specific activity was determined to be 200 nmol/min/mg using Poly(Glu:Tyr) 4:1 as substrate.
Endotoxin:
<1.0 EU per µg as determined by the LAL method.
Protein Construction:
A DNA sequence encoding the human FES (P07332-1) (Met 1-Arg 822) was fused with the N-terminal polyhistidine-tagged GST tag at the N-terminus.
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