Literature summary extracted from

Matsumoto, K.; Banno, Y.; Murate, T.; Akao, Y.; Nozawa, Y.
Localization of sphingosine kinase-1 in mouse sperm acrosomes (2005), J. Histochem. Cytochem., 53, 243-247.

Localization

EC Number	Localization	Comment	Organism	GeneOntology No.	Textmining
2.7.1.91	acrosome	of sperm, SPHK1	Mus musculus	-	-

Natural Substrates/ Products (Substrates)

EC Number	Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
2.7.1.91	ATP + sphingosine	Mus musculus	-	ADP + sphingosine 1-phosphate	-	?

Organism

EC Number	Organism	UniProt	Comment	Textmining
2.7.1.91	Mus musculus	-	-	-

Source Tissue

EC Number	Source Tissue	Comment	Organism	Textmining
2.7.1.91	spermatozoon	SPHK1, exclusively in the acrosome, spermatozoa contain 5 sphingosine 1-phosphate receptors	Mus musculus	-

Specific Activity [micromol/min/mg]

EC Number	Specific Activity Minimum [µmol/min/mg]	Specific Activity Maximum [µmol/min/mg]	Comment	Organism
2.7.1.91	0.000018	-	sperm acrosome, SPHK1	Mus musculus

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
2.7.1.91	ATP + sphingosine	-	Mus musculus	ADP + sphingosine 1-phosphate	-	?

Synonyms

EC Number	Synonyms	Comment	Organism
2.7.1.91	sphinganine kinase	-	Mus musculus
2.7.1.91	SPHK	-	Mus musculus

Cofactor

EC Number	Cofactor	Comment	Organism	Structure
2.7.1.91	ATP	-	Mus musculus

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Release 2023.1 (January 2023)