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3-ketodihydrosphingosine reductase

Summary

Gene Symbol

KDSR

Organism

Odobenus rosmarus divergens (Pacific walrus)

External Links

NCBI Gene: 101372557
KEGG Gene ID: oro:101372557
PubChem: 101372557

Annotation

Keyword

Endoplasmic reticulum
NADP
Oxidoreductase
Reference proteome
Signal
Sphingolipid metabolism

Proteins

Displaying **all 2** entries
UniProt	Protein Name
A0A2U3VS75
A0A2U3VSH0

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 2** entries
GO Term	Evidence Code	PMID
3-keto-sphinganine metabolic process	IEA	22301074 30032202
sphingolipid biosynthetic process	IEA	22301074 30032202

GO Hierarchy

biological process

metabolic process [inference]

nitrogen compound metabolic process [inference]

organonitrogen compound metabolic process [inference]

sphingolipid metabolic process [inference]

sphingolipid biosynthetic process

sphingoid metabolic process [inference]

3-keto-sphinganine metabolic process

organonitrogen compound biosynthetic process [inference]

sphingolipid biosynthetic process

biosynthetic process [inference]

cellular biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

organic substance biosynthetic process [inference]

lipid biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

organonitrogen compound biosynthetic process [inference]

sphingolipid biosynthetic process

cellular metabolic process [inference]

cellular ketone metabolic process [inference]

3-keto-sphinganine metabolic process

cellular biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

cellular lipid metabolic process [inference]

membrane lipid metabolic process [inference]

sphingolipid metabolic process [inference]

sphingolipid biosynthetic process

sphingoid metabolic process [inference]

3-keto-sphinganine metabolic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

primary metabolic process [inference]

lipid metabolic process [inference]

lipid biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

cellular lipid metabolic process [inference]

membrane lipid metabolic process [inference]

sphingolipid metabolic process [inference]

sphingolipid biosynthetic process

sphingoid metabolic process [inference]

3-keto-sphinganine metabolic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

small molecule metabolic process [inference]

cellular ketone metabolic process [inference]

3-keto-sphinganine metabolic process

organic substance metabolic process [inference]

lipid metabolic process [inference]

lipid biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

cellular lipid metabolic process [inference]

membrane lipid metabolic process [inference]

sphingolipid metabolic process [inference]

sphingolipid biosynthetic process

sphingoid metabolic process [inference]

3-keto-sphinganine metabolic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

cellular ketone metabolic process [inference]

3-keto-sphinganine metabolic process

organonitrogen compound metabolic process [inference]

sphingolipid metabolic process [inference]

sphingolipid biosynthetic process

sphingoid metabolic process [inference]

3-keto-sphinganine metabolic process

organonitrogen compound biosynthetic process [inference]

sphingolipid biosynthetic process

organic substance biosynthetic process [inference]

lipid biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

organonitrogen compound biosynthetic process [inference]

sphingolipid biosynthetic process

cellular process [inference]

cellular metabolic process [inference]

cellular ketone metabolic process [inference]

3-keto-sphinganine metabolic process

cellular biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

cellular lipid metabolic process [inference]

membrane lipid metabolic process [inference]

sphingolipid metabolic process [inference]

sphingolipid biosynthetic process

sphingoid metabolic process [inference]

3-keto-sphinganine metabolic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process

Displaying 1 entry
GO Term	Evidence Code	PMID
endoplasmic reticulum membrane	IEA	30032202

GO Hierarchy

cellular component

cellular anatomical entity [inference]

membrane [inference]

organelle membrane [inference]

endoplasmic reticulum membrane

Displaying 1 entry
GO Term	Evidence Code	PMID
3-dehydrosphinganine reductase activity	IEA	22301074 30032202

GO Hierarchy

molecular function

catalytic activity [inference]

oxidoreductase activity [inference]

oxidoreductase activity, acting on CH-OH group of donors [inference]

oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor [inference]

3-dehydrosphinganine reductase activity

Gene Ontology information from NCBI Gene and UniProt.

KEGG BRITE Database

Orthology

K04708

Name

3-dehydrosphinganine reductase [EC:1.1.1.102]

References

15328338

Rhea

RHEA:22640

sphinganine + NADP⁺

H⁺ + NADPH + 3-oxosphinganine

Enzyme

1.1.1.102

PMID

International Collaboration

GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01

GlyCosmos Portal v4.4.0

Last updated: December 8, 2025

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