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Protein Page:
HSL (human)
p Phosphorylation
a Acetylation
m Methylation
m1 Mono-methylation
m2 Di-methylation
m3 Tri-methylation
u Ubiquitination
s Sumoylation
n Neddylation
gl O-GlcNAc
ga O-GalNAc
h Palmitoylation
ad Adenylylation
sn S-Nitrosylation
ca Caspase cleavage

Overview
HSL hormone sensitive lipase is a lipolytic enzyme of the 'GDXG' family. Plays a rate limiting step in triglyceride lipolysis. 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. Rapidly activated by cAMP-dependent phosphorylation under the influence of catecholamines. Dephosphorylation and inactivation are controlled by insulin. Note: This description may include information from UniProtKB.
Protein type: EC 3.1.1.79; Lipase
Cellular Component: lipid particle; caveola; cytosol
Molecular Function: triacylglycerol lipase activity; hormone-sensitive lipase activity; protein binding; protein kinase binding
Biological Process: cholesterol metabolic process; triacylglycerol catabolic process; diacylglycerol catabolic process; protein amino acid phosphorylation; lipid catabolic process; long-chain fatty acid catabolic process
Reference #:  Q05469 (UniProtKB)
Alt. Names/Synonyms: Hormone-sensitive lipase; hormone-sensitive lipase testicular isoform; HSL; LHS; lipase, hormone-sensitive; LIPE; LIPS
Gene Symbols: LIPE
Molecular weight: 116,598 Da
Basal Isoelectric point: 6.25  Predict pI for various phosphorylation states
CST Pathways:  AMPK Signaling  |  Insulin Receptor Signaling
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
Select Structure to View Below

HSL

Protein Structure Not Found.


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Sites Implicated In
enzymatic activity, induced: S853‑p, S855‑p, S950‑p, S951‑p
molecular association, regulation: S855‑p, S950‑p, S951‑p

Modification Sites and Domains Show Modification Legend
Click here to view phosphorylation modifications only

Modification Sites in Parent Protein, Orthologs, and Isoforms Show Modification Legend
 

Show Multiple Sequence Alignment


 SS 

SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.


 MS 

MS: The number of records in which this modification site was assigned using ONLY proteomic discovery-mode mass spectrometry.


       human

► Hide Isoforms
 
0 1 T188-p PEQSDKQtTPVQGAK
0 1 S196-p TPVQGAKsKQGSLTE
0 2 S335 GETAQRLSGVFAGVR
0 3 Y393 HLLHKSRYVASNRRS
0 1 K624-u EELSSLIkSNGQRSL
0 2 Y741-p VALRAAAyGVRVPDG
0 1 - gap
0 1 - gap
0 1 - gap
23 6 S853-p IAEPMRRsVsEAALA
18 10 S855-p EPMRRsVsEAALAQP
0 1 S870 QGPLGTDSLKNLTLR
1 0 T891 NSETSSDTPEMSLSA
7 2 S950-p EGFHPRRssQGATQM
16 16 S951-p GFHPRRssQGATQMP
4139 : Phospho-HSL (Ser563) Antibody
4137 : Phospho-HSL (Ser565) Antibody
  HSL iso2  
- gap
- gap
S34 GETAQRLSGVFAGVR
Y92 HLLHKSRYVASNRRS
K323 EELSSLIKSNGQRSL
Y440 VALRAAAYGVRVPDG
- gap
- gap
- gap
S552-p IAEPMRRsVSEAALA
S554 EPMRRsVSEAALAQP
S569 QGPLGTDSLKNLTLR
T590 NSETSSDTPEMSLSA
S649 EGFHPRRSSQGATQM
S650 GFHPRRSSQGATQMP
  mouse

 
T199 SDPTAQQTPLVQGAK
S207 PLVQGAKSKQGSLTE
S347-p GETARRLsNVFAGVR
Y405 HLLHKSRYVASNRKS
K636 KVLNSLAKSEGPRLE
Y752 VSLRAAAYGVRVPDG
S825-p GLVQRDTsLFLRDLR
S855-p RKPQKTTsPtAESVR
T857-p PQKTTsPtAESVRPT
S870-p PTESMRRsVsEAALA
S872-p ESMRRsVsEAALAQP
T887-p EGLLGTDtLKKLTIK
S904 SNSEPSDSPEMSQSM
S963-p EGFHPRRssQGVLHM
S964-p GFHPRRssQGVLHMP
4139 : Phospho-HSL (Ser563) Antibody
4137 : Phospho-HSL (Ser565) Antibody
4126 : Phospho-HSL (Ser660) Antibody
  rat

► Hide Isoforms
 
T187 SDPTAQQTPLVQGVK
S195 PLVQGVKSDQGSLIE
S334 GETARRLSNVFAGVR
Y392-p HLLHKSRyVASNRRS
K623 KMLNSLAKSEGPRLE
Y739 VSLRAAAYGVRVPDG
S812 GLVQRDTSLFLRDLR
- gap
T845 HKTPLPATETLRPTD
S863-p LTESMRRsVsEAALA
S865-p ESMRRsVsEAALAQP
S880 EGLLGTDSLKKLTIK
S900-p GNSEPSDsPEMSQSM
S959-p DGFHPRRssQGVLHM
S960-p GFHPRRssQGVLHMP
4137 : Phospho-HSL (Ser565) Antibody
4126 : Phospho-HSL (Ser660) Antibody
  HSL iso2  
- gap
- gap
S34 GETARRLSNVFAGVR
Y92 HLLHKSRYVASNRRS
K323 KMLNSLAKSEGPRLE
Y439 VSLRAAAYGVRVPDG
S512 GLVQRDTSLFLRDLR
- gap
T545 HKTPLPATETLRPTD
S563 LTESMRRSVSEAALA
S565 ESMRRSVSEAALAQP
S580 EGLLGTDSLKKLTIK
S600 GNSEPSDSPEMSQSM
S659-p DGFHPRRsSQGVLHM
S660 GFHPRRsSQGVLHMP
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