Summary

Name LIPE
Full Name Hormone-sensitive lipase
Synonyms HSL
Primary ID Q05469
Links - -
Type protein
Relations 13
Function Lipase with broad substrate specificity, catalyzing the hydrolysis of triacylglycerols (TAGs), diacylglycerols (DAGs), monoacylglycerols (MAGs), cholesteryl esters and retinyl esters (PubMed:8812477, PubMed:15955102, PubMed:15716583, PubMed:19800417). Shows a preferential hydrolysis of DAGs over TAGs and MAGs and preferentially hydrolyzes the fatty acid (FA) esters at the sn-3 position of the glycerol backbone in DAGs (PubMed:19800417). Preferentially hydrolyzes FA esters at the sn-1 and sn-2 positions of the glycerol backbone in TAGs (By similarity). Catalyzes the hydrolysis of 2-arachidonoylglycerol, an endocannabinoid and of 2-acetyl monoalkylglycerol ether, the penultimate precursor of the pathway for de novo synthesis of platelet-activating factor (By similarity). In adipose tissue and heart, it primarily hydrolyzes stored triglycerides to free fatty acids, while in steroidogenic tissues, it principally converts cholesteryl esters to free cholesterol for steroid hormone production (By similarity).

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Modifications Tables

Relations

Regulator Mechanism target score
+ up-regulates activity img/direct-activation.png phosphorylation LIPE 0.581
Publications: 3 Organism: Mus Musculus
+ down-regulates img/direct_inhibition.png phosphorylation LIPE 0.372
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation LIPE 0.384
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation LIPE 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation LIPE 0.581
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation LIPE 0.2
Publications: 2
+ up-regulates activity img/direct-activation.png phosphorylation LIPE 0.427
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png phosphorylation LIPE 0.376
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png phosphorylation LIPE 0.2
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png phosphorylation LIPE 0.2
Publications: 1 Organism: Mus Musculus