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Information on EC 2.7.1.91 - sphingosine kinase

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EC Tree
IUBMB Comments
The enzyme is involved in the production of sphingolipid metabolites. It phosphorylates various sphingoid long-chain bases, such as sphingosine, D-erythro-dihydrosphingosine (sphinganine), phytosphingosine (4-hydroxysphinganine), 4-hydroxy-8-sphingenine, 4,8-sphingadienine and D-threo-dihydrosphingosine and L-threo-dihydrosphingosine. The exact substrate range depends on the species.
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This record set is specific for:
UNIPROT: Q6AYB2
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Word Map
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota
Synonyms
sphk1, sphingosine kinase, sphk2, sphingosine kinase 1, sphingosine kinase-1, sphingosine kinase 2, sphk-1, sphingosine kinase-2, sphk1a, sphingosine kinase type 1, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
sphinganine kinase
-
sphingosine kinase-2
-
dihydrosphingosine kinase
-
-
-
-
kinase, dihydrosphingosine (phosphorylating)
-
-
-
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kinase, sphingosine (phosphorylating)
-
-
-
-
SK
-
-
-
-
sphingoid base kinase
-
-
-
-
SPHK
-
-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phospho group transfer
-
-
-
-
PATHWAY SOURCE
PATHWAYS
-
-, -, -, -
SYSTEMATIC NAME
IUBMB Comments
ATP:sphingoid base 1-phosphotransferase
The enzyme is involved in the production of sphingolipid metabolites. It phosphorylates various sphingoid long-chain bases, such as sphingosine, D-erythro-dihydrosphingosine (sphinganine), phytosphingosine (4-hydroxysphinganine), 4-hydroxy-8-sphingenine, 4,8-sphingadienine and D-threo-dihydrosphingosine and L-threo-dihydrosphingosine. The exact substrate range depends on the species.
CAS REGISTRY NUMBER
COMMENTARY hide
50864-48-7
-
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + sphingosine
ADP + sphingosine 1-phosphate
show the reaction diagram
COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
DL-threo-dihydrosphingosine
0.005 mM, 25% inhibition
FTY720
0.005 mM, 8% inhibition
L-erythro-sphingosine
0.005 mM, 41% inhibition
phytosphingosine
0.0025 mM, 21% inhibition
additional information
-
ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
N,N-dimethylsphingosine
0.005 mM, activation to 106% of control
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
-
SwissProt
Manually annotated by BRENDA team
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY hide
GeneOntology No.
LITERATURE
SOURCE
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
Q6AYB2_RAT
616
0
65523
TrEMBL
-
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
96000
x * 96000, SDS-PAGE
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
?
x * 96000, SDS-PAGE
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Klawitter, S.; Hofmann, L.P.; Pfeilschifter, J.; Huwiler, A.
Extracellular nucleotides induce migration of renal mesangial cells by upregulating sphingosine kinase-1 expression and activity
Br. J. Pharmacol.
150
271-280
2007
Rattus norvegicus (Q6AYB2), Rattus norvegicus (Q91V26)
Manually annotated by BRENDA team
Vessey, D.A.; Kelley, M.; Zhang, J.; Li, L.; Tao, R.; Karliner, J.S.
Dimethylsphingosine and FTY720 inhibit the SK1 form but activate the SK2 form of sphingosine kinase from rat heart
J. Biochem. Mol. Toxicol.
21
273-279
2007
Rattus norvegicus (Q6AYB2), Rattus norvegicus (Q91V26)
Manually annotated by BRENDA team