ID H3G8H1_PHYRM Unreviewed; 545 AA.
AC H3G8H1;
DT 18-APR-2012, integrated into UniProtKB/TrEMBL.
DT 18-APR-2012, sequence version 1.
DT 24-JAN-2024, entry version 52.
DE RecName: Full=Imidazole glycerol phosphate synthase hisHF {ECO:0000256|PIRNR:PIRNR036936};
DE Includes:
DE RecName: Full=Glutaminase {ECO:0000256|PIRNR:PIRNR036936};
DE EC=3.5.1.2 {ECO:0000256|PIRNR:PIRNR036936};
DE Includes:
DE RecName: Full=Cyclase {ECO:0000256|PIRNR:PIRNR036936};
OS Phytophthora ramorum (Sudden oak death agent).
OC Eukaryota; Sar; Stramenopiles; Oomycota; Peronosporales; Peronosporaceae;
OC Phytophthora.
OX NCBI_TaxID=164328 {ECO:0000313|EnsemblProtists:Phyra71187, ECO:0000313|Proteomes:UP000005238};
RN [1] {ECO:0000313|Proteomes:UP000005238}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Pr102 {ECO:0000313|Proteomes:UP000005238};
RX PubMed=16946064; DOI=10.1126/science.1128796;
RA Tyler B.M., Tripathy S., Zhang X., Dehal P., Jiang R.H., Aerts A.,
RA Arredondo F.D., Baxter L., Bensasson D., Beynon J.L., Chapman J.,
RA Damasceno C.M., Dorrance A.E., Dou D., Dickerman A.W., Dubchak I.L.,
RA Garbelotto M., Gijzen M., Gordon S.G., Govers F., Grunwald N.J., Huang W.,
RA Ivors K.L., Jones R.W., Kamoun S., Krampis K., Lamour K.H., Lee M.K.,
RA McDonald W.H., Medina M., Meijer H.J., Nordberg E.K., Maclean D.J.,
RA Ospina-Giraldo M.D., Morris P.F., Phuntumart V., Putnam N.H., Rash S.,
RA Rose J.K., Sakihama Y., Salamov A.A., Savidor A., Scheuring C.F.,
RA Smith B.M., Sobral B.W., Terry A., Torto-Alalibo T.A., Win J., Xu Z.,
RA Zhang H., Grigoriev I.V., Rokhsar D.S., Boore J.L.;
RT "Phytophthora genome sequences uncover evolutionary origins and mechanisms
RT of pathogenesis.";
RL Science 313:1261-1266(2006).
RN [2] {ECO:0000313|EnsemblProtists:Phyra71187}
RP IDENTIFICATION.
RC STRAIN=Pr102 {ECO:0000313|EnsemblProtists:Phyra71187};
RG EnsemblProtists;
RL Submitted (JUN-2015) to UniProtKB.
CC -!- FUNCTION: IGPS catalyzes the conversion of PRFAR and glutamine to IGP,
CC AICAR and glutamate. The glutaminase domain produces the ammonia
CC necessary for the cyclase domain to produce IGP and AICAR from PRFAR.
CC The ammonia is channeled to the active site of the cyclase domain.
CC {ECO:0000256|PIRNR:PIRNR036936}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5-[(5-phospho-1-deoxy-D-ribulos-1-ylimino)methylamino]-1-(5-
CC phospho-beta-D-ribosyl)imidazole-4-carboxamide + L-glutamine = 5-
CC amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide + D-
CC erythro-1-(imidazol-4-yl)glycerol 3-phosphate + H(+) + L-glutamate;
CC Xref=Rhea:RHEA:24793, ChEBI:CHEBI:15378, ChEBI:CHEBI:29985,
CC ChEBI:CHEBI:58278, ChEBI:CHEBI:58359, ChEBI:CHEBI:58475,
CC ChEBI:CHEBI:58525; EC=4.3.2.10;
CC Evidence={ECO:0000256|ARBA:ARBA00000619,
CC ECO:0000256|PIRNR:PIRNR036936};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + L-glutamine = L-glutamate + NH4(+);
CC Xref=Rhea:RHEA:15889, ChEBI:CHEBI:15377, ChEBI:CHEBI:28938,
CC ChEBI:CHEBI:29985, ChEBI:CHEBI:58359; EC=3.5.1.2;
CC Evidence={ECO:0000256|ARBA:ARBA00001062,
CC ECO:0000256|PIRNR:PIRNR036936};
CC -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC from 5-phospho-alpha-D-ribose 1-diphosphate: step 5/9.
CC {ECO:0000256|ARBA:ARBA00005091, ECO:0000256|PIRNR:PIRNR036936}.
CC -!- SIMILARITY: Belongs to the HisA/HisF family.
CC {ECO:0000256|RuleBase:RU003657}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the HisA/HisF family.
CC {ECO:0000256|PIRNR:PIRNR036936}.
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DR EMBL; DS566004; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR AlphaFoldDB; H3G8H1; -.
DR STRING; 164328.H3G8H1; -.
DR EnsemblProtists; Phyra71187; Phyra71187; Phyra71187.
DR eggNOG; KOG0623; Eukaryota.
DR HOGENOM; CLU_037550_0_0_1; -.
DR InParanoid; H3G8H1; -.
DR OMA; EAMGTGE; -.
DR UniPathway; UPA00031; UER00010.
DR Proteomes; UP000005238; Unassembled WGS sequence.
DR GO; GO:0004359; F:glutaminase activity; IEA:UniProtKB-EC.
DR GO; GO:0000107; F:imidazoleglycerol-phosphate synthase activity; IBA:GO_Central.
DR GO; GO:0016833; F:oxo-acid-lyase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-UniRule.
DR GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd01748; GATase1_IGP_Synthase; 1.
DR CDD; cd04731; HisF; 1.
DR Gene3D; 3.40.50.880; -; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR HAMAP; MF_00278; HisH; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR029062; Class_I_gatase-like.
DR InterPro; IPR017926; GATASE.
DR InterPro; IPR006062; His_biosynth.
DR InterPro; IPR004651; HisF.
DR InterPro; IPR014640; IGPS_HisHF.
DR InterPro; IPR010139; Imidazole-glycPsynth_HisH.
DR InterPro; IPR011060; RibuloseP-bd_barrel.
DR NCBIfam; TIGR00735; hisF; 1.
DR NCBIfam; TIGR01855; IMP_synth_hisH; 1.
DR PANTHER; PTHR21235:SF2; IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE HISHF; 1.
DR PANTHER; PTHR21235; IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE SUBUNIT HISF/H IGP SYNTHASE SUBUNIT HISF/H; 1.
DR Pfam; PF00117; GATase; 1.
DR Pfam; PF00977; His_biosynth; 1.
DR PIRSF; PIRSF036936; IGPS_HisHF; 1.
DR SUPFAM; SSF52317; Class I glutamine amidotransferase-like; 1.
DR SUPFAM; SSF51366; Ribulose-phoshate binding barrel; 1.
DR PROSITE; PS51273; GATASE_TYPE_1; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605,
KW ECO:0000256|PIRNR:PIRNR036936};
KW Glutamine amidotransferase {ECO:0000256|PIRNR:PIRNR036936,
KW ECO:0000256|PROSITE-ProRule:PRU00605};
KW Histidine biosynthesis {ECO:0000256|ARBA:ARBA00023102,
KW ECO:0000256|PIRNR:PIRNR036936};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|PIRNR:PIRNR036936};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|PIRNR:PIRNR036936};
KW Multifunctional enzyme {ECO:0000256|PIRNR:PIRNR036936};
KW Reference proteome {ECO:0000313|Proteomes:UP000005238}.
FT DOMAIN 6..197
FT /note="Glutamine amidotransferase"
FT /evidence="ECO:0000259|Pfam:PF00117"
FT REGION 357..358
FT /note="PRFAR binding"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT REGION 395..397
FT /note="PRFAR binding"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT REGION 470..471
FT /note="PRFAR binding"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT REGION 496..497
FT /note="PRFAR binding"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT REGION 519..520
FT /note="PRFAR binding"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT ACT_SITE 81
FT /note="For GATase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-1"
FT ACT_SITE 81
FT /note="Nucleophile"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00605"
FT ACT_SITE 190
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00605"
FT ACT_SITE 190
FT /note="For GATase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-1"
FT ACT_SITE 192
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00605"
FT ACT_SITE 192
FT /note="For GATase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-1"
FT ACT_SITE 237
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-1"
FT ACT_SITE 397
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-1"
FT BINDING 81
FT /ligand="L-glutamine"
FT /ligand_id="ChEBI:CHEBI:58359"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT BINDING 325
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT BINDING 465
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
SQ SEQUENCE 545 AA; 58977 MW; AA267B0CD9334B5C CRC64;
MVEVTVLDYG AGNVRSLKNA IRAAGHSVKD VTSAEDILAA EVLIFPGVGN FRAAMEFLTA
SGYVAALKAY IAADRRFLGI CLGMQTLFEG SDECPELKGL GVIKGHVTRF PSEDVVVPHI
GWNGITPWKK SALFASLPVT TEEAKLYFVH SFRAVKTDKN ADWVLTTTNY GDLEFVSAVQ
KGNVMATQFH PEKSGAVGIA ILKGFLEKSL ADQDEAIVEA ATAPRTTLSK RIIACLDVRA
NDQGDLVVTK GDQYDVRESA DGEGNVRNMG KPVDLCKRYF EEGADEVAFL NITSFREQPM
GDMPMVQVLE ASSECVFVPL TIGGGIREYV DDQQKTHSAL DVAAMYFRSG ADKVSIGSDA
VYTTEKYYAN GGKGDGTSSI ETISAVYGNQ AVVVSMDPKR VYVASFYDEN AKGHNVVKLS
QPGPNGEEYC WYQMTVRGGR ETRDIDVVQL AQAVEALGAG ELLLNCVDMD GQKAGYDLDL
ISLVKKSVRI PVIASSGAGK PEHFTEVFEK TNCDAALAAG IFHRKEVAIQ DVKAQLQTDK
ISVRL
//