2.4.1.23: sphingosine beta-galactosyltransferase

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For detailed information about sphingosine beta-galactosyltransferase, go to the full flat file.

Reaction

Synonyms

galactosyl-sphingosine transferase, galactosyltransferase, uridine diphosphogalactose-sphingosine beta-, psychosine-UDP galactosyltransferase, psychosine-uridine diphosphate galactosyltransferase, UDPgalactose:sphingosine O-galactosyl transferase, uridine diphosphogalactose-sphingosine beta-galactosyltransferase

ECTree

     2 Transferases

         2.4 Glycosyltransferases

             2.4.1 Hexosyltransferases

                2.4.1.23 sphingosine beta-galactosyltransferase

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Results	in table
2	Activating Compound
1	CAS Registry Number
1	KM Value [mM]
3	Localization
2	Metals/Ions
4	Organism
1	Pathway
1	pH Optimum
1	pH Range
2	Purification (Commentary)
1	Reaction
1	Reaction Type
4	Reference
8	Source Tissue
1	Specific Activity [micromol/min/mg]
2	Storage Stability
18	Substrates and Products (Substrate)
6	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]

Substrates Products

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Substrates Products on EC 2.4.1.23 - sphingosine beta-galactosyltransferase

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SUBSTRATE

PRODUCT                       

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

Reversibility
r=reversible
ir=irreversible
?=not specified

UDPgalactose + D-1,3,4-trihydroxy-2-aminooctadecane

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + DL-1-hydroxy-2-amino-octadecane

?

2 entries

UDPgalactose + DL-erythro-1,3-dihydroxy-2-amino-4-cis-octadecene

?

2 entries

UDPgalactose + DL-erythro-1,3-dihydroxy-2-amino-4-heptadecyne

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + DL-erythro-trans-sphingosine

UDP + psychosine

4 entries

UDPgalactose + DL-threo-1,3-dihydroxy-2-amino-4-cis-octadecene

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + DL-threo-1,3-dihydroxy-2-amino-4-octadecyne

?

2 entries

UDPgalactose + DL-threo-1,3-dihydroxy-2-amino-4-trans-heptadecene

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + DL-threo-1,3-dihydroxy-2-amino-4-trans-nonadecene

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + DL-threo-1,3-dihydroxy-2-amino-4-trans-octadecene

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + DL-threo-1,3-dihydroxy-2-aminooctadecane

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + N-acetyl-DL-threo-trans-sphingosine

UDP + N-acetylpsychosine

Cavia porcellus

-

-

488990

-

488990

?

UDPgalactose + DL-1-hydroxy-2-amino-octadecane

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + DL-1-hydroxy-2-amino-octadecane

?

Rattus norvegicus

-

-

488990

-

-

?

UDPgalactose + DL-erythro-1,3-dihydroxy-2-amino-4-cis-octadecene

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + DL-erythro-1,3-dihydroxy-2-amino-4-cis-octadecene

?

Rattus norvegicus

-

-

488990

-

-

?

UDPgalactose + DL-erythro-trans-sphingosine

UDP + psychosine

Cavia porcellus

-

maximal activity

488990

i. e. galactosylsphingosine

488990

?

UDPgalactose + DL-erythro-trans-sphingosine

UDP + psychosine

Cavia porcellus

-

basic structure for the acceptor seems to be a 1-hydroxy-2-amino hydrocarbon of about 18 carbon atoms

488990

i. e. galactosylsphingosine

488990

?

UDPgalactose + DL-erythro-trans-sphingosine

UDP + psychosine

Rattus norvegicus

-

maximal activity

488990

-

488990

?

UDPgalactose + DL-erythro-trans-sphingosine

UDP + psychosine

Rattus norvegicus

-

basic structure for the acceptor seems to be a 1-hydroxy-2-amino hydrocarbon of about 18 carbon atoms

488990

-

488990

?

UDPgalactose + DL-threo-1,3-dihydroxy-2-amino-4-octadecyne

?

Cavia porcellus

-

weak activity

488990

-

-

?

UDPgalactose + DL-threo-1,3-dihydroxy-2-amino-4-octadecyne

?

Rattus norvegicus

-

-

488990

-

-

?