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PGH1_MOUSE
ID   PGH1_MOUSE              Reviewed;         602 AA.
AC   P22437;
DT   01-AUG-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1991, sequence version 1.
DT   03-AUG-2022, entry version 199.
DE   RecName: Full=Prostaglandin G/H synthase 1 {ECO:0000305};
DE            EC=1.14.99.1 {ECO:0000250|UniProtKB:P23219};
DE   AltName: Full=Cyclooxygenase-1;
DE            Short=COX-1;
DE   AltName: Full=Prostaglandin H2 synthase 1;
DE            Short=PGH synthase 1;
DE            Short=PGHS-1;
DE            Short=PHS 1;
DE   AltName: Full=Prostaglandin-endoperoxide synthase 1;
DE   Flags: Precursor;
GN   Name=Ptgs1 {ECO:0000312|MGI:MGI:97797}; Synonyms=Cox-1, Cox1;
OS   Mus musculus (Mouse).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae;
OC   Murinae; Mus; Mus.
OX   NCBI_TaxID=10090;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RX   PubMed=2108169; DOI=10.1016/s0021-9258(19)34105-5;
RA   Dewitt D.L., El-Harith E.A., Kraemer S.A., Andrews M.J., Yao E.F.,
RA   Armstrong R.L., Smith W.L.;
RT   "The aspirin and heme-binding sites of ovine and murine prostaglandin
RT   endoperoxide synthases.";
RL   J. Biol. Chem. 265:5192-5198(1990).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=FVB/N; TISSUE=Mammary gland;
RX   PubMed=15489334; DOI=10.1101/gr.2596504;
RG   The MGC Project Team;
RT   "The status, quality, and expansion of the NIH full-length cDNA project:
RT   the Mammalian Gene Collection (MGC).";
RL   Genome Res. 14:2121-2127(2004).
RN   [3]
RP   REVIEW ON FUNCTION; TISSUE SPECIFICITY AND INHIBITION BY NSAIDS.
RX   PubMed=10966456; DOI=10.1146/annurev.biochem.69.1.145;
RA   Smith W.L., DeWitt D.L., Garavito R.M.;
RT   "Cyclooxygenases: structural, cellular, and molecular biology.";
RL   Annu. Rev. Biochem. 69:145-182(2000).
RN   [4]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Kidney, Liver, Lung, and Spleen;
RX   PubMed=21183079; DOI=10.1016/j.cell.2010.12.001;
RA   Huttlin E.L., Jedrychowski M.P., Elias J.E., Goswami T., Rad R.,
RA   Beausoleil S.A., Villen J., Haas W., Sowa M.E., Gygi S.P.;
RT   "A tissue-specific atlas of mouse protein phosphorylation and expression.";
RL   Cell 143:1174-1189(2010).
RN   [5]
RP   REVIEW ON FUNCTION; INHIBITION BY ASPIRIN AND INVOLVEMENT IN COLORECTAL
RP   CANCER.
RX   PubMed=24605250; DOI=10.4292/wjgpt.v5.i1.40;
RA   Sostres C., Gargallo C.J., Lanas A.;
RT   "Aspirin, cyclooxygenase inhibition and colorectal cancer.";
RL   World J. Gastrointest. Pharmacol. Ther. 5:40-49(2014).
CC   -!- FUNCTION: Dual cyclooxygenase and peroxidase in the biosynthesis
CC       pathway of prostanoids, a class of C20 oxylipins mainly derived from
CC       arachidonate, with a particular role in the inflammatory response. The
CC       cyclooxygenase activity oxygenates arachidonate (AA, C20:4(n-6)) to the
CC       hydroperoxy endoperoxide prostaglandin G2 (PGG2), and the peroxidase
CC       activity reduces PGG2 to the hydroxy endoperoxide PGH2, the precursor
CC       of all 2-series prostaglandins and thromboxanes. This complex
CC       transformation is initiated by abstraction of hydrogen at carbon 13
CC       (with S-stereochemistry), followed by insertion of molecular O2 to form
CC       the endoperoxide bridge between carbon 9 and 11 that defines
CC       prostaglandins. The insertion of a second molecule of O2 (bis-oxygenase
CC       activity) yields a hydroperoxy group in PGG2 that is then reduced to
CC       PGH2 by two electrons. Involved in the constitutive production of
CC       prostanoids in particular in the stomach and platelets. In gastric
CC       epithelial cells, it is a key step in the generation of prostaglandins,
CC       such as prostaglandin E2 (PGE2), which plays an important role in
CC       cytoprotection. In platelets, it is involved in the generation of
CC       thromboxane A2 (TXA2), which promotes platelet activation and
CC       aggregation, vasoconstriction and proliferation of vascular smooth
CC       muscle cells. {ECO:0000250|UniProtKB:P23219}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(5Z,8Z,11Z,14Z)-eicosatetraenoate + AH2 + 2 O2 = A + H2O +
CC         prostaglandin H2; Xref=Rhea:RHEA:23728, ChEBI:CHEBI:13193,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:17499,
CC         ChEBI:CHEBI:32395, ChEBI:CHEBI:57405; EC=1.14.99.1;
CC         Evidence={ECO:0000250|UniProtKB:P23219};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:23729;
CC         Evidence={ECO:0000250|UniProtKB:P23219};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(5Z,8Z,11Z,14Z)-eicosatetraenoate + 2 O2 = prostaglandin G2;
CC         Xref=Rhea:RHEA:42596, ChEBI:CHEBI:15379, ChEBI:CHEBI:32395,
CC         ChEBI:CHEBI:82629; Evidence={ECO:0000250|UniProtKB:P23219};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:42597;
CC         Evidence={ECO:0000250|UniProtKB:P23219};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=AH2 + prostaglandin G2 = A + H2O + prostaglandin H2;
CC         Xref=Rhea:RHEA:42600, ChEBI:CHEBI:13193, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:17499, ChEBI:CHEBI:57405, ChEBI:CHEBI:82629;
CC         Evidence={ECO:0000250|UniProtKB:P23219};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:42601;
CC         Evidence={ECO:0000250|UniProtKB:P23219};
CC   -!- COFACTOR:
CC       Name=heme b; Xref=ChEBI:CHEBI:60344; Evidence={ECO:0000250};
CC       Note=Binds 1 heme b (iron(II)-protoporphyrin IX) group per subunit.
CC       {ECO:0000250};
CC   -!- ACTIVITY REGULATION: The cyclooxygenase activity is inhibited by
CC       nonsteroidal anti-inflammatory drugs (NSAIDs) including ibuprofen,
CC       flurbiprofen, ketoprofen, naproxen, flurbiprofen, anirolac, fenclofenac
CC       and diclofenac. {ECO:0000250|UniProtKB:P23219}.
CC   -!- PATHWAY: Lipid metabolism; prostaglandin biosynthesis.
CC       {ECO:0000250|UniProtKB:P23219}.
CC   -!- SUBUNIT: Homodimer.
CC   -!- SUBCELLULAR LOCATION: Microsome membrane; Peripheral membrane protein.
CC       Endoplasmic reticulum membrane; Peripheral membrane protein.
CC   -!- MISCELLANEOUS: The conversion of arachidonate to prostaglandin H2 is a
CC       2 step reaction: a cyclooxygenase (COX) reaction which converts
CC       arachidonate to prostaglandin G2 (PGG2) and a peroxidase reaction in
CC       which PGG2 is reduced to prostaglandin H2 (PGH2). The cyclooxygenase
CC       reaction occurs in a hydrophobic channel in the core of the enzyme. The
CC       peroxidase reaction occurs at a heme-containing active site located
CC       near the protein surface. The nonsteroidal anti-inflammatory drugs
CC       (NSAIDs) binding site corresponds to the cyclooxygenase active site.
CC   -!- MISCELLANEOUS: Conversion of arachidonate to prostaglandin H2 is
CC       mediated by 2 different isozymes: the constitutive PTGS1 and the
CC       inducible PTGS2. PTGS1 is expressed constitutively and generally
CC       produces prostanoids acutely in response to hormonal stimuli to fine-
CC       tune physiological processes requiring instantaneous, continuous
CC       regulation (e.g. hemostasis). PTGS2 is inducible and typically produces
CC       prostanoids that mediate responses to physiological stresses such as
CC       infection and inflammation.
CC   -!- MISCELLANEOUS: PTGS1 and PTGS2 are the targets of nonsteroidal anti-
CC       inflammatory drugs (NSAIDs) including aspirin and ibuprofen. Aspirin is
CC       able to produce an irreversible inactivation of the enzyme through a
CC       serine acetylation. Inhibition of the PGHSs with NSAIDs acutely reduces
CC       inflammation, pain, and fever, and long-term use of these drugs reduces
CC       fatal thrombotic events, as well as the development of colon cancer and
CC       Alzheimer's disease. PTGS2 is the principal isozyme responsible for
CC       production of inflammatory prostaglandins. New generation PTGSs
CC       inhibitors strive to be selective for PTGS2, to avoid side effects such
CC       as gastrointestinal complications and ulceration.
CC   -!- SIMILARITY: Belongs to the prostaglandin G/H synthase family.
CC       {ECO:0000305}.
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DR   EMBL; M34141; AAA39913.1; -; mRNA.
DR   EMBL; BC005573; AAH05573.1; -; mRNA.
DR   CCDS; CCDS15970.1; -.
DR   PIR; A35564; A35564.
DR   RefSeq; NP_032995.1; NM_008969.4.
DR   RefSeq; XP_006497853.1; XM_006497790.3.
DR   RefSeq; XP_006497854.1; XM_006497791.3.
DR   RefSeq; XP_011237338.1; XM_011239036.2.
DR   RefSeq; XP_017171985.1; XM_017316496.1.
DR   AlphaFoldDB; P22437; -.
DR   SMR; P22437; -.
DR   BioGRID; 202462; 5.
DR   STRING; 10090.ENSMUSP00000059977; -.
DR   BindingDB; P22437; -.
DR   ChEMBL; CHEMBL2649; -.
DR   DrugCentral; P22437; -.
DR   PeroxiBase; 3361; MmPGHS01.
DR   GlyGen; P22437; 3 sites.
DR   PhosphoSitePlus; P22437; -.
DR   PaxDb; P22437; -.
DR   PeptideAtlas; P22437; -.
DR   PRIDE; P22437; -.
DR   ProteomicsDB; 287690; -.
DR   Antibodypedia; 775; 704 antibodies from 45 providers.
DR   DNASU; 19224; -.
DR   Ensembl; ENSMUST00000062069; ENSMUSP00000059977; ENSMUSG00000047250.
DR   GeneID; 19224; -.
DR   KEGG; mmu:19224; -.
DR   UCSC; uc008jll.2; mouse.
DR   CTD; 5742; -.
DR   MGI; MGI:97797; Ptgs1.
DR   VEuPathDB; HostDB:ENSMUSG00000047250; -.
DR   eggNOG; KOG2408; Eukaryota.
DR   GeneTree; ENSGT00390000010743; -.
DR   HOGENOM; CLU_022428_0_0_1; -.
DR   InParanoid; P22437; -.
DR   OMA; YNTSMLM; -.
DR   OrthoDB; 324380at2759; -.
DR   PhylomeDB; P22437; -.
DR   TreeFam; TF329675; -.
DR   Reactome; R-MMU-140180; COX reactions.
DR   Reactome; R-MMU-2162123; Synthesis of Prostaglandins (PG) and Thromboxanes (TX).
DR   UniPathway; UPA00662; -.
DR   BioGRID-ORCS; 19224; 5 hits in 76 CRISPR screens.
DR   ChiTaRS; Ptgs1; mouse.
DR   PRO; PR:P22437; -.
DR   Proteomes; UP000000589; Chromosome 2.
DR   RNAct; P22437; protein.
DR   Bgee; ENSMUSG00000047250; Expressed in renal medulla collecting duct and 219 other tissues.
DR   ExpressionAtlas; P22437; baseline and differential.
DR   Genevisible; P22437; MM.
DR   GO; GO:0005737; C:cytoplasm; IDA:MGI.
DR   GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0005794; C:Golgi apparatus; ISO:MGI.
DR   GO; GO:0043231; C:intracellular membrane-bounded organelle; ISO:MGI.
DR   GO; GO:0043005; C:neuron projection; IBA:GO_Central.
DR   GO; GO:0005635; C:nuclear envelope; ISO:MGI.
DR   GO; GO:0001750; C:photoreceptor outer segment; IDA:MGI.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0016702; F:oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen; IBA:GO_Central.
DR   GO; GO:0004601; F:peroxidase activity; IEA:UniProtKB-KW.
DR   GO; GO:0004666; F:prostaglandin-endoperoxide synthase activity; ISO:MGI.
DR   GO; GO:0019371; P:cyclooxygenase pathway; ISO:MGI.
DR   GO; GO:0006954; P:inflammatory response; IEA:InterPro.
DR   GO; GO:0030216; P:keratinocyte differentiation; NAS:UniProtKB.
DR   GO; GO:0007612; P:learning; ISO:MGI.
DR   GO; GO:0035633; P:maintenance of blood-brain barrier; ISO:MGI.
DR   GO; GO:0007613; P:memory; ISO:MGI.
DR   GO; GO:0032811; P:negative regulation of epinephrine secretion; ISO:MGI.
DR   GO; GO:0010700; P:negative regulation of norepinephrine secretion; ISO:MGI.
DR   GO; GO:0045987; P:positive regulation of smooth muscle contraction; ISO:MGI.
DR   GO; GO:0045907; P:positive regulation of vasoconstriction; ISO:MGI.
DR   GO; GO:0001516; P:prostaglandin biosynthetic process; IMP:MGI.
DR   GO; GO:0006693; P:prostaglandin metabolic process; IMP:MGI.
DR   GO; GO:0008217; P:regulation of blood pressure; IMP:MGI.
DR   GO; GO:0042127; P:regulation of cell population proliferation; IGI:MGI.
DR   GO; GO:0006979; P:response to oxidative stress; IEA:InterPro.
DR   GO; GO:0019233; P:sensory perception of pain; ISO:MGI.
DR   Gene3D; 1.10.640.10; -; 1.
DR   InterPro; IPR029580; COX-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:SF6; PTHR11903:SF6; 1.
DR   Pfam; PF03098; An_peroxidase; 1.
DR   PRINTS; PR00457; ANPEROXIDASE.
DR   SUPFAM; SSF48113; SSF48113; 1.
DR   PROSITE; PS50026; EGF_3; 1.
DR   PROSITE; PS50292; PEROXIDASE_3; 1.
PE   1: Evidence at protein level;
KW   Dioxygenase; Disulfide bond; EGF-like domain; Endoplasmic reticulum;
KW   Fatty acid biosynthesis; Fatty acid metabolism; Glycoprotein; Heme; Iron;
KW   Lipid biosynthesis; Lipid metabolism; Membrane; Metal-binding; Microsome;
KW   Oxidoreductase; Peroxidase; Prostaglandin biosynthesis;
KW   Prostaglandin metabolism; Reference proteome; Signal.
FT   SIGNAL          1..26
FT   CHAIN           27..602
FT                   /note="Prostaglandin G/H synthase 1"
FT                   /id="PRO_0000023869"
FT   DOMAIN          34..72
FT                   /note="EGF-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00076"
FT   ACT_SITE        209
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00298"
FT   ACT_SITE        387
FT                   /note="For cyclooxygenase activity"
FT                   /evidence="ECO:0000250"
FT   BINDING         390
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:0000255|PROSITE-ProRule:PRU00298"
FT   SITE            532
FT                   /note="Aspirin-acetylated serine"
FT   CARBOHYD        70
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        106
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        146
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   DISULFID        38..49
FT                   /evidence="ECO:0000250"
FT   DISULFID        39..161
FT                   /evidence="ECO:0000250"
FT   DISULFID        43..59
FT                   /evidence="ECO:0000250"
FT   DISULFID        61..71
FT                   /evidence="ECO:0000250"
FT   DISULFID        571..577
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   602 AA;  69042 MW;  634C0E602045C3A0 CRC64;
     MSRRSLSLWF PLLLLLLLPP TPSVLLADPG VPSPVNPCCY YPCQNQGVCV RFGLDNYQCD
     CTRTGYSGPN CTIPEIWTWL RNSLRPSPSF THFLLTHGYW LWEFVNATFI REVLMRLVLT
     VRSNLIPSPP TYNSAHDYIS WESFSNVSYY TRILPSVPKD CPTPMGTKGK KQLPDVQLLA
     QQLLLRREFI PAPQGTNILF AFFAQHFTHQ FFKTSGKMGP GFTKALGHGV DLGHIYGDNL
     ERQYHLRLFK DGKLKYQVLD GEVYPPSVEQ ASVLMRYPPG VPPERQMAVG QEVFGLLPGL
     MLFSTIWLRE HNRVCDLLKE EHPTWDDEQL FQTTRLILIG ETIKIVIEEY VQHLSGYFLQ
     LKFDPELLFR AQFQYRNRIA MEFNHLYHWH PLMPNSFQVG SQEYSYEQFL FNTSMLVDYG
     VEALVDAFSR QRAGRIGGGR NFDYHVLHVA VDVIKESREM RLQPFNEYRK RFGLKPYTSF
     QELTGEKEMA AELEELYGDI DALEFYPGLL LEKCQPNSIF GESMIEMGAP FSLKGLLGNP
     ICSPEYWKPS TFGGDVGFNL VNTASLKKLV CLNTKTCPYV SFRVPDYPGD DGSVLVRRST
     EL
 
 
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