Names & Taxonomy

Uniprot ID:
O15121
Entry Name:
DEGS1_HUMAN
Status:
reviewed
Protein Names:
Sphingolipid delta(4)-desaturase DES1 (EC 1.14.19.17) (Cell migration-inducing gene 15 protein) (Degenerative spermatocyte homolog 1) (Membrane lipid desaturase)
Gene Names:
DEGS1 DES1 MLD MIG15
Gene Names Orf:
MIG15
Gene Names Primary:
DEGS1
Organism:
Homo sapiens (Human)

Structure

Length:
323
Sequence:
MGSRVSREDFEWVYTDQPHADRRREILAKYPEIKSLMKPDPNLIWIIIMMVLTQLGAFYIVKDLDWKWVIFGAYAFGSCINHSMTLAIHEIAHNAAFGNCKAMWNRWFGMFANLPIGIPYSISFKRYHMDHHRYLGADGVDVDIPTDFEGWFFCTAFRKFIWVILQPLFYAFRPLFINPKPITYLEVINTVAQVTFDILIYYFLGIKSLVYMLAASLLGLGLHPISGHFIAEHYMFLKGHETYSYYGPLNLLTFNVGYHNEHHDFPNIPGKSLPLVRKIAAEYYDNLPHYNSWIKVLYDFVMDDTISPYSRMKRHQKGEMVLE
Proteomes:
UP000005640

Subcellular location

Subcellular Location:
Mitochondrion

Function

Function:
Has sphingolipid-delta-4-desaturase activity. Converts D-erythro-sphinganine to D-erythro-sphingosine (E-sphing-4-enine).
Catalytic Activity:
A dihydroceramide + 2 ferrocytochrome b5 + O(2) + 2 H(+) = a (4E)-sphing-4-enine ceramide + 2 ferricytochrome b5 + 2 H(2)O.
Gene Ontology Go:
endoplasmic reticulum
endoplasmic reticulum membrane
integral component of plasma membrane
membrane
mitochondrion
electron carrier activity
sphingolipid delta-4 desaturase activity
ceramide biosynthetic process
small molecule metabolic process
sphingolipid biosynthetic process
sphingolipid metabolic process
unsaturated fatty acid biosynthetic process
Gene Ontology Biological Process:
ceramide biosynthetic process
small molecule metabolic process
sphingolipid biosynthetic process
sphingolipid metabolic process
unsaturated fatty acid biosynthetic process
Gene Ontology Molecular Function:
electron carrier activity
sphingolipid delta-4 desaturase activity
Gene Ontology Cellular Component:
endoplasmic reticulum
endoplasmic reticulum membrane
integral component of plasma membrane
membrane
mitochondrion
Keywords:
Complete proteome
Endoplasmic reticulum
Fatty acid biosynthesis
Fatty acid metabolism
Lipid biosynthesis
Lipid metabolism
Lipoprotein
Membrane
Mitochondrion
Myristate
Oxidoreductase
Phosphoprotein
Reference proteome
Transmembrane
Transmembrane helix
Interacts With:
P11217; P53985; O15260; Q53HC9

Publication

PubMed ID:
9188692 11937514 15489334 18669648 19647031 21269460 25255805