ID A0A3Q0SKZ6_AMPCI Unreviewed; 696 AA.
AC A0A3Q0SKZ6;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 27-MAR-2024, entry version 25.
DE RecName: Full=Hormone-sensitive lipase {ECO:0000256|ARBA:ARBA00015845};
DE EC=3.1.1.23 {ECO:0000256|ARBA:ARBA00013254};
DE EC=3.1.1.79 {ECO:0000256|ARBA:ARBA00013088};
DE AltName: Full=Monoacylglycerol lipase LIPE {ECO:0000256|ARBA:ARBA00031112};
DE AltName: Full=Retinyl ester hydrolase {ECO:0000256|ARBA:ARBA00030031};
OS Amphilophus citrinellus (Midas cichlid) (Cichlasoma citrinellum).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Ovalentaria; Cichlomorphae; Cichliformes; Cichlidae; New World cichlids;
OC Cichlasomatinae; Heroini; Amphilophus.
OX NCBI_TaxID=61819 {ECO:0000313|Ensembl:ENSACIP00000023662.1, ECO:0000313|Proteomes:UP000261340};
RN [1] {ECO:0000313|Ensembl:ENSACIP00000023662.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2023) to UniProtKB.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(9Z)-octadecenoate + 1,2-di-(9Z-octadecenoyl)-glycerol + H(+)
CC = 1,2,3-tri-(9Z-octadecenoyl)-glycerol + H2O; Xref=Rhea:RHEA:38379,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30823,
CC ChEBI:CHEBI:52323, ChEBI:CHEBI:53753;
CC Evidence={ECO:0000256|ARBA:ARBA00023334};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:38381;
CC Evidence={ECO:0000256|ARBA:ARBA00023334};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1,2,3-tri-(9Z-octadecenoyl)-glycerol + H2O = (9Z)-
CC octadecenoate + di-(9Z)-octadecenoylglycerol + H(+);
CC Xref=Rhea:RHEA:38575, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30823, ChEBI:CHEBI:53753, ChEBI:CHEBI:75945;
CC Evidence={ECO:0000256|ARBA:ARBA00000652};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:38576;
CC Evidence={ECO:0000256|ARBA:ARBA00000652};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1,2-di-(9Z-octadecenoyl)-glycerol + H2O = (9Z)-octadecenoate +
CC (9Z-octadecenoyl)-glycerol + H(+); Xref=Rhea:RHEA:38455,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30823,
CC ChEBI:CHEBI:52323, ChEBI:CHEBI:75937;
CC Evidence={ECO:0000256|ARBA:ARBA00023366};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:38456;
CC Evidence={ECO:0000256|ARBA:ARBA00023366};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1,2-di-(9Z-octadecenoyl)-glycerol + H2O = (9Z)-octadecenoate +
CC 2-(9Z-octadecenoyl)-glycerol + H(+); Xref=Rhea:RHEA:38659,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30823,
CC ChEBI:CHEBI:52323, ChEBI:CHEBI:73990;
CC Evidence={ECO:0000256|ARBA:ARBA00023353};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:38660;
CC Evidence={ECO:0000256|ARBA:ARBA00023353};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1,2-di-(9Z-octadecenoyl)-sn-glycerol + H2O = (9Z)-
CC octadecenoate + (9Z-octadecenoyl)-glycerol + H(+);
CC Xref=Rhea:RHEA:39935, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30823, ChEBI:CHEBI:52333, ChEBI:CHEBI:75937;
CC Evidence={ECO:0000256|ARBA:ARBA00023356};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:39936;
CC Evidence={ECO:0000256|ARBA:ARBA00023356};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1,3-di-(9Z-octadecenoyl)-glycerol + H2O = (9Z)-octadecenoate +
CC 1-(9Z-octadecenoyl)-glycerol + H(+); Xref=Rhea:RHEA:39939,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30823,
CC ChEBI:CHEBI:75342, ChEBI:CHEBI:75735;
CC Evidence={ECO:0000256|ARBA:ARBA00023393};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:39940;
CC Evidence={ECO:0000256|ARBA:ARBA00023393};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-(9Z-octadecenoyl)-glycerol + H2O = (9Z)-octadecenoate +
CC glycerol + H(+); Xref=Rhea:RHEA:38487, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17754, ChEBI:CHEBI:30823,
CC ChEBI:CHEBI:75342; Evidence={ECO:0000256|ARBA:ARBA00023407};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:38488;
CC Evidence={ECO:0000256|ARBA:ARBA00023407};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-O-hexadecyl-2-acetyl-sn-glycerol + H2O = 1-O-hexadecyl-sn-
CC glycerol + acetate + H(+); Xref=Rhea:RHEA:38563, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30089, ChEBI:CHEBI:34115,
CC ChEBI:CHEBI:75936; Evidence={ECO:0000256|ARBA:ARBA00023406};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:38564;
CC Evidence={ECO:0000256|ARBA:ARBA00023406};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2,3-di-(9Z)-octadecenoyl-sn-glycerol + H2O = (9Z)-
CC octadecenoate + 2-(9Z-octadecenoyl)-glycerol + H(+);
CC Xref=Rhea:RHEA:38383, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30823, ChEBI:CHEBI:73990, ChEBI:CHEBI:75824;
CC Evidence={ECO:0000256|ARBA:ARBA00023360};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:38384;
CC Evidence={ECO:0000256|ARBA:ARBA00023360};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-glycerol + H2O =
CC (5Z,8Z,11Z,14Z)-eicosatetraenoate + glycerol + H(+);
CC Xref=Rhea:RHEA:26132, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17754, ChEBI:CHEBI:32395, ChEBI:CHEBI:52392;
CC Evidence={ECO:0000256|ARBA:ARBA00000361};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:26133;
CC Evidence={ECO:0000256|ARBA:ARBA00000361};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-(9Z-octadecenoyl)-glycerol + H2O = (9Z)-octadecenoate +
CC glycerol + H(+); Xref=Rhea:RHEA:38491, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17754, ChEBI:CHEBI:30823,
CC ChEBI:CHEBI:73990; Evidence={ECO:0000256|ARBA:ARBA00023382};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:38492;
CC Evidence={ECO:0000256|ARBA:ARBA00023382};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Hydrolyzes glycerol monoesters of long-chain fatty acids.;
CC EC=3.1.1.23; Evidence={ECO:0000256|ARBA:ARBA00001613};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a diacylglycerol + H2O = a fatty acid + a monoacylglycerol +
CC H(+); Xref=Rhea:RHEA:32731, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17408, ChEBI:CHEBI:18035, ChEBI:CHEBI:28868; EC=3.1.1.79;
CC Evidence={ECO:0000256|ARBA:ARBA00000354};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a monoacylglycerol + H2O = a fatty acid + glycerol + H(+);
CC Xref=Rhea:RHEA:15245, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17408, ChEBI:CHEBI:17754, ChEBI:CHEBI:28868; EC=3.1.1.79;
CC Evidence={ECO:0000256|ARBA:ARBA00001413};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a triacylglycerol + H2O = a diacylglycerol + a fatty acid +
CC H(+); Xref=Rhea:RHEA:12044, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17855, ChEBI:CHEBI:18035, ChEBI:CHEBI:28868; EC=3.1.1.79;
CC Evidence={ECO:0000256|ARBA:ARBA00000803};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=all-trans-retinyl hexadecanoate + H2O = all-trans-retinol +
CC H(+) + hexadecanoate; Xref=Rhea:RHEA:13933, ChEBI:CHEBI:7896,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:17336,
CC ChEBI:CHEBI:17616; Evidence={ECO:0000256|ARBA:ARBA00023384};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:13934;
CC Evidence={ECO:0000256|ARBA:ARBA00023384};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=cholesteryl (9Z-octadecenoate) + H2O = (9Z)-octadecenoate +
CC cholesterol + H(+); Xref=Rhea:RHEA:33875, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16113, ChEBI:CHEBI:30823,
CC ChEBI:CHEBI:46898; Evidence={ECO:0000256|ARBA:ARBA00023350};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:33876;
CC Evidence={ECO:0000256|ARBA:ARBA00023350};
CC -!- PATHWAY: Glycerolipid metabolism; triacylglycerol degradation.
CC {ECO:0000256|ARBA:ARBA00004879}.
CC -!- PATHWAY: Lipid metabolism. {ECO:0000256|ARBA:ARBA00005189}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|ARBA:ARBA00004236}.
CC Cytoplasm, cytosol {ECO:0000256|ARBA:ARBA00004514}. Lipid droplet
CC {ECO:0000256|ARBA:ARBA00004502}. Membrane, caveola
CC {ECO:0000256|ARBA:ARBA00004345}.
CC -!- SIMILARITY: Belongs to the 'GDXG' lipolytic enzyme family.
CC {ECO:0000256|ARBA:ARBA00010515}.
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DR AlphaFoldDB; A0A3Q0SKZ6; -.
DR STRING; 61819.ENSACIP00000023662; -.
DR Ensembl; ENSACIT00000024281.1; ENSACIP00000023662.1; ENSACIG00000018375.1.
DR GeneTree; ENSGT00730000111056; -.
DR OMA; CKETQFA; -.
DR UniPathway; UPA00256; -.
DR Proteomes; UP000261340; Unplaced.
DR GO; GO:0005901; C:caveola; IEA:UniProtKB-SubCell.
DR GO; GO:0005829; C:cytosol; IEA:UniProtKB-SubCell.
DR GO; GO:0005811; C:lipid droplet; IEA:UniProtKB-SubCell.
DR GO; GO:0047372; F:acylglycerol lipase activity; IEA:UniProtKB-EC.
DR GO; GO:0033878; F:hormone-sensitive lipase activity; IEA:UniProtKB-EC.
DR GO; GO:0008203; P:cholesterol metabolic process; IEA:UniProtKB-KW.
DR GO; GO:0019433; P:triglyceride catabolic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.40.50.1820; alpha/beta hydrolase; 2.
DR InterPro; IPR029058; AB_hydrolase.
DR InterPro; IPR013094; AB_hydrolase_3.
DR InterPro; IPR010468; HSL_N.
DR InterPro; IPR002168; Lipase_GDXG_HIS_AS.
DR InterPro; IPR033140; Lipase_GDXG_put_SER_AS.
DR PANTHER; PTHR23025:SF2; HORMONE-SENSITIVE LIPASE; 1.
DR PANTHER; PTHR23025; TRIACYLGLYCEROL LIPASE; 1.
DR Pfam; PF07859; Abhydrolase_3; 2.
DR Pfam; PF06350; HSL_N; 1.
DR SUPFAM; SSF53474; alpha/beta-Hydrolases; 1.
DR PROSITE; PS01173; LIPASE_GDXG_HIS; 1.
DR PROSITE; PS01174; LIPASE_GDXG_SER; 1.
PE 3: Inferred from homology;
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW Cholesterol metabolism {ECO:0000256|ARBA:ARBA00022548};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801};
KW Lipid degradation {ECO:0000256|ARBA:ARBA00022963};
KW Lipid droplet {ECO:0000256|ARBA:ARBA00022677};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098};
KW Membrane {ECO:0000256|ARBA:ARBA00022475};
KW Steroid metabolism {ECO:0000256|ARBA:ARBA00023221};
KW Sterol metabolism {ECO:0000256|ARBA:ARBA00023166}.
FT DOMAIN 6..317
FT /note="Hormone-sensitive lipase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF06350"
FT DOMAIN 349..502
FT /note="Alpha/beta hydrolase fold-3"
FT /evidence="ECO:0000259|Pfam:PF07859"
FT DOMAIN 595..656
FT /note="Alpha/beta hydrolase fold-3"
FT /evidence="ECO:0000259|Pfam:PF07859"
FT REGION 536..560
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 427
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU10038"
SQ SEQUENCE 696 AA; 76558 MW; EE1EEE65DA900BCD CRC64;
MDCKVVFAAL EKVCQDNISV LCGPSDLPYS TAVERLVSSM KQIQEHGRAL EPVVTSFTAV
YHHYDFDAQT PGNGYRTLVK VLEACLLHVI HKARYIASNY SSPFFRVDHN ASEMEAYCSA
LCQLRALLHL AQQLINDNDC GQLYSLQDED LSRSFVQEYC SMHKACFYGR CLGFQYSPSI
RPFLQTVVIS MVSYGETFGK QQSGLGTAAL SLLTSGKYVM DPELRGAEFE RITQNLDLQF
WKSFWNLTES GLITGFSRIA SKQVQVNFTM TVPPVTLRLP LASDPRLTVT VSPPIAHWGP
GPVHMRLISH ELREGQDSEE LLAFSRTKPP PISTHLPWVQ KQPCSPWLLI HFHGGGFVAQ
TSKSHENYLR SWSKELNVPV LSVDYSLSPE APFPRALEEC FYAYCWALNN CHLLGSTAER
VCLAGDSAGG NLCITVSMKA MSTGIRVPDG IMAAYPATLL TTDASPSRLL TLIDPLLPLG
VLTKCINAYA GIDYQTVQPA MGSSTLSTLG RDTAMLLSDL TQGASNWIQS FLDPRRTSGG
TLSRSSSQRR SETSKTSTQA SISNCGAQIY YPQGFEPLRS ESLATVNPTS CPVIRNPFVS
PLLAPDSMLR GLPPVHIVAS ALDALLDDSV MFAKRLRAMG QPVTLTVAED LPHGFLSLSQ
LSKETEVAAG VCIARIREVF QQENPPHALR EQVEET
//
