ID A0A3Q0S0Q1_AMPCI Unreviewed; 636 AA.
AC A0A3Q0S0Q1;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 27-MAR-2024, entry version 26.
DE RecName: Full=Prostaglandin G/H synthase 1 {ECO:0000256|ARBA:ARBA00020404};
DE EC=1.14.99.1 {ECO:0000256|ARBA:ARBA00012440};
DE AltName: Full=Cyclooxygenase-1 {ECO:0000256|ARBA:ARBA00031217};
DE AltName: Full=Prostaglandin H2 synthase 1 {ECO:0000256|ARBA:ARBA00031794};
DE AltName: Full=Prostaglandin-endoperoxide synthase 1 {ECO:0000256|ARBA:ARBA00033143};
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:ENSACIP00000018444.1, ECO:0000313|Proteomes:UP000261340};
RN [1] {ECO:0000313|Ensembl:ENSACIP00000018444.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2023) to UniProtKB.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(9Z,12Z)-octadecadienoate + AH2 + O2 = (13R)-hydroxy-(9Z,11E)-
CC octadecadienoate + A + H2O; Xref=Rhea:RHEA:75455, ChEBI:CHEBI:13193,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:17499,
CC ChEBI:CHEBI:30245, ChEBI:CHEBI:136655;
CC Evidence={ECO:0000256|ARBA:ARBA00036409};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:75456;
CC Evidence={ECO:0000256|ARBA:ARBA00036409};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(9Z,12Z)-octadecadienoate + AH2 + O2 = (13S)-hydroxy-(9Z,11E)-
CC octadecadienoate + A + H2O; Xref=Rhea:RHEA:75451, ChEBI:CHEBI:13193,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:17499,
CC ChEBI:CHEBI:30245, ChEBI:CHEBI:90850;
CC Evidence={ECO:0000256|ARBA:ARBA00036358};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:75452;
CC Evidence={ECO:0000256|ARBA:ARBA00036358};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(9Z,12Z)-octadecadienoate + AH2 + O2 = (9R)-hydroxy-(10E,12Z)-
CC octadecadienoate + A + H2O; Xref=Rhea:RHEA:75447, ChEBI:CHEBI:13193,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:17499,
CC ChEBI:CHEBI:30245, ChEBI:CHEBI:77895;
CC Evidence={ECO:0000256|ARBA:ARBA00036313};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:75448;
CC Evidence={ECO:0000256|ARBA:ARBA00036313};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(9Z,12Z)-octadecadienoate + AH2 + O2 = (9S)-hydroxy-(10E,12Z)-
CC octadecadienoate + A + H2O; Xref=Rhea:RHEA:75459, ChEBI:CHEBI:13193,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:17499,
CC ChEBI:CHEBI:30245, ChEBI:CHEBI:77852;
CC Evidence={ECO:0000256|ARBA:ARBA00035976};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:75460;
CC Evidence={ECO:0000256|ARBA:ARBA00035976};
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|ARBA:ARBA00001970};
CC -!- PATHWAY: Lipid metabolism; prostaglandin biosynthesis.
CC {ECO:0000256|ARBA:ARBA00004702}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SIMILARITY: Belongs to the prostaglandin G/H synthase family.
CC {ECO:0000256|ARBA:ARBA00008928}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|PROSITE-ProRule:PRU00076}.
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DR AlphaFoldDB; A0A3Q0S0Q1; -.
DR STRING; 61819.ENSACIP00000018444; -.
DR GlyCosmos; A0A3Q0S0Q1; 3 sites, No reported glycans.
DR Ensembl; ENSACIT00000018939.1; ENSACIP00000018444.1; ENSACIG00000014389.1.
DR GeneTree; ENSGT00390000010743; -.
DR OMA; LFGSQFQ; -.
DR UniPathway; UPA00662; -.
DR Proteomes; UP000261340; Unplaced.
DR GO; GO:0005783; C:endoplasmic reticulum; IEA:UniProtKB-KW.
DR GO; GO:0051213; F:dioxygenase activity; IEA:UniProtKB-KW.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004601; F:peroxidase activity; IEA:UniProtKB-KW.
DR GO; GO:0004666; F:prostaglandin-endoperoxide synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0048856; P:anatomical structure development; IEA:UniProt.
DR GO; GO:0001516; P:prostaglandin biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0006979; P:response to oxidative stress; IEA:InterPro.
DR CDD; cd09816; prostaglandin_endoperoxide_synthase; 1.
DR Gene3D; 1.10.640.10; Haem peroxidase domain superfamily, animal type; 1.
DR Gene3D; 2.10.25.10; Laminin; 1.
DR InterPro; IPR000742; EGF-like_dom.
DR InterPro; IPR019791; Haem_peroxidase_animal.
DR InterPro; IPR010255; Haem_peroxidase_sf.
DR InterPro; IPR037120; Haem_peroxidase_sf_animal.
DR PANTHER; PTHR11903; PROSTAGLANDIN G/H SYNTHASE; 1.
DR PANTHER; PTHR11903:SF6; PROSTAGLANDIN G_H SYNTHASE 1; 1.
DR Pfam; PF03098; An_peroxidase; 1.
DR PRINTS; PR00457; ANPEROXIDASE.
DR SUPFAM; SSF57196; EGF/Laminin; 1.
DR SUPFAM; SSF48113; Heme-dependent peroxidases; 1.
DR PROSITE; PS50026; EGF_3; 1.
DR PROSITE; PS50292; PEROXIDASE_3; 1.
PE 3: Inferred from homology;
KW Dioxygenase {ECO:0000256|ARBA:ARBA00022964};
KW EGF-like domain {ECO:0000256|ARBA:ARBA00022536, ECO:0000256|PROSITE-
KW ProRule:PRU00076}; Endoplasmic reticulum {ECO:0000256|ARBA:ARBA00022824};
KW Fatty acid biosynthesis {ECO:0000256|ARBA:ARBA00023160};
KW Fatty acid metabolism {ECO:0000256|ARBA:ARBA00022832};
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRSR:PIRSR619791-2};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR619791-2};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR619791-2};
KW Microsome {ECO:0000256|ARBA:ARBA00022848};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Peroxidase {ECO:0000256|ARBA:ARBA00022559};
KW Prostaglandin biosynthesis {ECO:0000256|ARBA:ARBA00022585};
KW Prostaglandin metabolism {ECO:0000256|ARBA:ARBA00022501}.
FT DOMAIN 66..104
FT /note="EGF-like"
FT /evidence="ECO:0000259|PROSITE:PS50026"
FT ACT_SITE 241
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR619791-1"
FT ACT_SITE 419
FT /note="For cyclooxygenase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR619791-1"
FT BINDING 154
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR619791-2"
FT BINDING 422
FT /ligand="heme b"
FT /ligand_id="ChEBI:CHEBI:60344"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR619791-2"
SQ SEQUENCE 636 AA; 72990 MW; 943D06A24C8A019E CRC64;
MFLYGKPNSV QEIRLQSETV PIQHLISLSV SFRATASYIT SLPEVIPVQA FQNSLHEFSL
LPLFSTVNPC CYFPCQHWGV CVRYSDDKYE CDCTWTGYYG ENCTIPEFWT RVRQFFRPSP
GVVHHILTHF QWFWDILNYT FLRDVLMRLV LTVRSNLIPS PPTFNSKYDY LSWESYYNLS
YYTRLLPPVP KDCPTPLGVK GKAGLPDPEV LVERLLKRRT FRPDPQGTSL MFAFFAQHFT
HQFFKTFNRM GLGFTKALGH GVDAGHIYGD NLKRQLNLRL LKDGKLKYQL IDGEMYPPSV
AEAPVRMGYP PGVPVEAQMA IGQEVYGLLP GLGMYATLWL REHNRVCDIL KAEHPTWDDE
QLFQTTRLII IGETIRIVIE EYVQHLSGYL LQLKFDPTLL FGSHFQYGNR IALEFSQLYH
WHPLMPDSFF INGDELSYDR FLFNVSVLTH YGVEALVDAF SRQIAGQIGG GHNINAMVTK
VAVGTIKESR QLRVRPFNEY RKRFNLTPYT SFRQFTDNEE IARELEELYG DIDALEFYPG
LMLEKTRPGA IFGESMVEMG APFSLKGLLG NPICSPEYWK PSTFGGKVGF DIVNSATLKK
LVCQNTRTCP YVSFRVPAEE KPQQGKEGSR AQIDEL
//
