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SRP0339

Sigma-Aldrich

Ceramide Kinase FLAG tag active human

recombinant, expressed in baculovirus infected Sf9 cells, ≥40% (SDS-PAGE)

Synonym(s):

CERK, LK4, hCERK

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About This Item

UNSPSC Code:
12352200
NACRES:
NA.32

biological source

human

recombinant

expressed in baculovirus infected Sf9 cells

Assay

≥40% (SDS-PAGE)

form

aqueous solution

mol wt

60 kDa

packaging

pkg of 10 μg

storage condition

avoid repeated freeze/thaw cycles

concentration

0.4 mg/mL

NCBI accession no.

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... CERK(64781)

General description

Ceramide kinase (CERK) is a 537-amino acid protein. It has a catalytic region, a putative amino-myristoylation site in its amino terminal region and a pleckstrin homology domain. The gene encoding CERK is localized on human chromosome 22q13.31.
Human ceramide kinase (CERK) (GenBank Accession No. NM_022766), 1-537 (end) with C-terminal Flag-tag, MW= 60 kDa, expressed in Baculovirus expression system.

Application

Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling.

Biochem/physiol Actions

Ceramide kinase (CERK) is an enzyme involved in sphingolipid metabolism and in the synthesis of ceramide-1-phosphate. It associates with calmodulin and at the time of Fc receptor-mediated phagocytosis, it aggregates in lipid rafts. CERK may have a role in calcium signaling. The protein functions in the phagocytosis of polymorphonuclear leukocytes and degranulation of mast cells.

Unit Definition

One unit is defined as the amount of enzyme required to produce 1 pmole of ceramide-1-phosphate/min at 37°C.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A conserved cysteine motif essential for ceramide kinase function
Lidome E, et al.
Biochimie, 90(10), 1560-1565 (2008)
Ceramide kinase: a novel lipid kinase molecular cloning and functional characterization
Sugiura M, et al.
The Journal of Biological Chemistry (2002)
Tack-Joong Kim et al.
Biochemical and biophysical research communications, 342(2), 611-617 (2006-02-21)
Ceramide kinase (CERK) converts ceramide to ceramide-1-phosphate (C1P), which has recently emerged as a new bioactive molecule capable of regulating diverse cellular functions. The N-terminus of the CERK protein encompasses a sequence motif known as a pleckstrin homology (PH) domain.
Identification of genes associated with tumorigenesis of retinoblastoma by microarray analysis
Chakraborty S, et al.
Genomics, 90(3), 344-353 (2007)
Poulami Mitra et al.
FEBS letters, 581(4), 735-740 (2007-02-06)
Ceramide-1-phosphate (C1P) is emerging as a new addition to the family of bioactive sphingolipid metabolites. At low concentrations, C1P enhanced survival of NIH 3T3 fibroblasts and A549 lung cancer cells, while at high concentrations, it reduced survival and induced apoptosis.

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