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Western Blot (WB) (Western blot of human recombinant SK2 (lanes 1-4) and HeLa treated with calyculin A (lanes 5-8). The blots were untreated (lane 1, 3, 5 & 7) or treated with lambda phosphatase (lane 2, 4, 6 & 8), then probed with anti-SK2 (N-terminal region) (lanes 1, 2, 5 & 6) or anti-SK2 (Thr-578) (lanes 3, 4, 7, & 8).)

Rabbit Sphingosine Kinase 2 Polyclonal Antibody | anti-SPHK2 antibody

Sphingosine Kinase 2 (Thr-578), phospho-specific Antibody

Gene Names
SPHK2; SK 2; SK-2; SPK 2; SPK-2
Reactivity
Human, Rat, Mouse
Applications
Western Blot, ELISA
Synonyms
Sphingosine Kinase 2; Polyclonal Antibody; Sphingosine Kinase 2 (Thr-578); phospho-specific Antibody; phospho-specific; SPHK2 Thr-578; anti-SPHK2 antibody
Ordering
For Research Use Only!
Host
Rabbit
Reactivity
Human, Rat, Mouse
Clonality
Polyclonal
Specificity
This antibody was affinity purified using phospho-SK2 (Thr-578) peptide (without carrier). The antibody detects 70kDa* proteins corresponding to the molecular mass of SK2 on SDS-PAGE immunoblots of human recombinant SK2 and endogenous SK2 in human HeLa cells treated with calyculin A. This reactivity is not observed after lambda phosphatase treatment.
Form/Format
Rabbit polyclonal, affinity-purified antibody is supplied in 100ul phosphate-buffered saline, 50% glycerol, 1mg/ml BSA, and 0.05% sodium azide.
Applicable Applications for anti-SPHK2 antibody
Western Blot (WB), ELISA (EIA)
Application Notes
ELISA: 1:2000
WB: 1:500
Immunogen
Phospho-SK2 (Thr-578) synthetic peptide (coupled to KLH) corresponding to amino acid residues surrounding Thr-578 in human SK2. This peptide sequence is highly conserved in rat and mouse SK2 proteins, and is not well conserved in SK1.
Preparation and Storage
Store at -20 degree C. Stable for 1 year.

Western Blot (WB)

(Western blot of human recombinant SK2 (lanes 1-4) and HeLa treated with calyculin A (lanes 5-8). The blots were untreated (lane 1, 3, 5 & 7) or treated with lambda phosphatase (lane 2, 4, 6 & 8), then probed with anti-SK2 (N-terminal region) (lanes 1, 2, 5 & 6) or anti-SK2 (Thr-578) (lanes 3, 4, 7, & 8).)

Western Blot (WB) (Western blot of human recombinant SK2 (lanes 1-4) and HeLa treated with calyculin A (lanes 5-8). The blots were untreated (lane 1, 3, 5 & 7) or treated with lambda phosphatase (lane 2, 4, 6 & 8), then probed with anti-SK2 (N-terminal region) (lanes 1, 2, 5 & 6) or anti-SK2 (Thr-578) (lanes 3, 4, 7, & 8).)
Related Product Information for anti-SPHK2 antibody
Sphingolipids are metabolized into bioactive products that include ceramide, sphingosine, and sphingosine-1-phosphate (S1P). Sphingosine Kinase (SK) catalyzes the phosphorylation of the lipid sphingosine, creating S1P. S1P subsequently signals through cell surface G protein-coupled receptors, as well as intracellularly, to modulate cell proliferation, survival, motility and differentiation. Two isoforms of SK have been identified, SK1 and SK2. The mRNA for both of these isoforms is widely expressed with SK1 expression highest in brain, heart, kidney, thymus, spleen and lung, while SK2 is highest in kidney and liver. SKs can be activated through growth factor, G protein-coupled, and immunoglobulin receptor signalling. Regulation of SK1 and SK2 activity may occur through phosphorylation. SK1 is phosphorylated at Ser-225 by ERK leading to increased activity and translocation to the plasma membrane. SK2 is phosphorylated in response to EGF, PKC activators, and phorbol esters. ERK1 can phosphorylate both Ser-351 and Thr-578, and non-phosphorylatable mutants of these sites suppress ERK1-mediated chemotaxis.
References
Hait, N.C. et al. (2007) J Biol. Chem. 282(16):12058.
Hait, N.C. et al. (2005) J Biol. Chem. 280:29462.
Spiegel, S. & Milstien, S. (2003) Nat. Rev. Mol. Cell Biol. 4:397.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
69,217 Da
NCBI Official Full Name
sphingosine kinase 2 isoform a
NCBI Official Synonym Full Names
sphingosine kinase 2
NCBI Official Symbol
SPHK2
NCBI Official Synonym Symbols
SK 2; SK-2; SPK 2; SPK-2
NCBI Protein Information
sphingosine kinase 2; sphingosine kinase type 2
UniProt Protein Name
Sphingosine kinase 2
Protein Family
UniProt Gene Name
SPHK2
UniProt Synonym Gene Names
SK 2; SPK 2
UniProt Entry Name
SPHK2_HUMAN

NCBI Description

This gene encodes one of two sphingosine kinase isozymes that catalyze the phosphorylation of sphingosine into sphingosine 1-phosphate. Sphingosine 1-phosphate mediates many cellular processes including migration, proliferation and apoptosis, and also plays a role in several types of cancer by promoting angiogenesis and tumorigenesis. The encoded protein may play a role in breast cancer proliferation and chemoresistance. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Aug 2011]

Uniprot Description

SPHK2: Catalyzes the phosphorylation of sphingosine to form sphingosine 1-phosphate (SPP), a lipid mediator with both intra- and extracellular functions. Also acts on D-erythro- dihydrosphingosine, D-erythro-sphingosine and L-threo- dihydrosphingosine. Binds phosphoinositides. 3 isoforms of the human protein are produced by alternative splicing.

Protein type: Lipid Metabolism - sphingolipid; EC 2.7.1.91; Kinase, lipid

Chromosomal Location of Human Ortholog: 19q13.2

Cellular Component: membrane; lysosomal membrane; cytosol

Molecular Function: D-erythro-sphingosine kinase activity; protein binding; Ras GTPase binding; sphinganine kinase activity; diacylglycerol kinase activity; ATP binding; NAD+ kinase activity

Biological Process: blood vessel development; cell proliferation; sphingolipid metabolic process; sphingolipid biosynthetic process; positive regulation of cell proliferation; protein kinase C activation; sphingosine metabolic process; sphinganine-1-phosphate biosynthetic process; brain development; lipid phosphorylation; negative regulation of apoptosis

Research Articles on SPHK2

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Product Notes

The SPHK2 sphk2 (Catalog #AAA474605) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Sphingosine Kinase 2 (Thr-578), phospho-specific Antibody reacts with Human, Rat, Mouse and may cross-react with other species as described in the data sheet. AAA Biotech's Sphingosine Kinase 2 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB), ELISA (EIA). ELISA: 1:2000 WB: 1:500. Researchers should empirically determine the suitability of the SPHK2 sphk2 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "Sphingosine Kinase 2, Polyclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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