Molecular weight (DA)
81kD
Immunogen
The antiserum was produced against synthesized peptide derived from human HSL around the phosphorylation site of Ser855/554. AA range:520-569
Specificity
Phospho-HSL (S855) Polyclonal Antibody detects endogenous levels of HSL protein only when phosphorylated at S855.
Formulation
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Dilution rate
WB: 1/500 - 1/2000. IHC: 1/100 - 1/300. ELISA: 1/20000.. IF 1:50-200
Purification process (Immunogen)
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Background
The protein encoded by this gene has a long and a short form, generated by use of alternative translational start codons. The long form is expressed in steroidogenic tissues such as testis, where it converts cholesteryl esters to free cholesterol for steroid hormone production. The short form is expressed in adipose tissue, among others, where it hydrolyzes stored triglycerides to free fatty acids. [provided by RefSeq, Jul 2008],
Function
catalytic activity:Diacylglycerol + H(2)O = monoacylglycerol + a carboxylate.,catalytic activity:Monoacylglycerol + H(2)O = glycerol + a carboxylate.,catalytic activity:Triacylglycerol + H(2)O = diacylglycerol + a carboxylate.,enzyme regulation:Rapidly activated by cAMP-dependent phosphorylation under the influence of catecholamines. Dephosphorylation and inactivation are controlled by insulin.,function: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.,pathway:Glycerolipid metabolism; triacylglycerol degradation.,similarity:Belongs to the 'GDXG' lipolytic enzyme family.,subcellular location:Found in the high-density caveolae. Translocates to the cytoplasm from the caveolae upon insulin stimulation.,subunit:Interacts wi
Protein name
Hormone-sensitive lipase
Other name
LIPE; Hormone-sensitive lipase; HSL
Fields
>>cAMP signaling pathway;>>AMPK signaling pathway;>>Apelin signaling pathway;>>Thermogenesis;>>Insulin signaling pathway;>>Regulation of lipolysis in adipocytes;>>Aldosterone synthesis and secretion
Human protein sequence Database
Q05469
Mouse protein sequence database
P54310
Rat protein sequence database
P15304
Cellular localization
Cell membrane . Membrane, caveola . Cytoplasm, cytosol . Lipid droplet . Found in the high-density caveolae. Translocates to the cytoplasm from the caveolae upon insulin stimulation (PubMed:17026959). Phosphorylation by AMPK reduces its translocation towards the lipid droplets (By similarity). .
Tissue expression
Testis.
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