ID A0A136J4E5_9PEZI Unreviewed; 551 AA.
AC A0A136J4E5;
DT 11-MAY-2016, integrated into UniProtKB/TrEMBL.
DT 11-MAY-2016, sequence version 1.
DT 24-JAN-2024, entry version 26.
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};
GN ORFNames=Micbo1qcDRAFT_162152 {ECO:0000313|EMBL:KXJ92057.1};
OS Microdochium bolleyi.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC Xylariomycetidae; Xylariales; Microdochiaceae; Microdochium.
OX NCBI_TaxID=196109 {ECO:0000313|EMBL:KXJ92057.1, ECO:0000313|Proteomes:UP000070501};
RN [1] {ECO:0000313|Proteomes:UP000070501}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=J235TASD1 {ECO:0000313|Proteomes:UP000070501};
RG DOE Joint Genome Institute;
RA David A.S., May G., Haridas S., Lim J., Wang M., Labutti K., Lipzen A.,
RA Barry K., Grigoriev I.V.;
RT "Draft genome sequence of Microdochium bolleyi, a fungal endophyte of
RT beachgrass.";
RL Submitted (FEB-2016) to the EMBL/GenBank/DDBJ databases.
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; KQ964249; KXJ92057.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A136J4E5; -.
DR STRING; 196109.A0A136J4E5; -.
DR InParanoid; A0A136J4E5; -.
DR OrthoDB; 2782495at2759; -.
DR UniPathway; UPA00031; UER00010.
DR Proteomes; UP000070501; Unassembled WGS sequence.
DR GO; GO:0004359; F:glutaminase activity; IEA:UniProtKB-EC.
DR GO; GO:0000107; F:imidazoleglycerol-phosphate synthase activity; IEA:UniProtKB-UniRule.
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:UP000070501}.
FT DOMAIN 6..209
FT /note="Glutamine amidotransferase"
FT /evidence="ECO:0000259|Pfam:PF00117"
FT REGION 359..360
FT /note="PRFAR binding"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT REGION 397..399
FT /note="PRFAR binding"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT REGION 471..472
FT /note="PRFAR binding"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT REGION 497..498
FT /note="PRFAR binding"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT REGION 520..521
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 194
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00605"
FT ACT_SITE 194
FT /note="For GATase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-1"
FT ACT_SITE 196
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00605"
FT ACT_SITE 196
FT /note="For GATase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-1"
FT ACT_SITE 240
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-1"
FT ACT_SITE 399
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 327
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
FT BINDING 466
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036936-2"
SQ SEQUENCE 551 AA; 59716 MW; AB75FD7B7E4FC7AC CRC64;
MPTVHMLDYV AGNVRSLVNA IEKLGYTVSW VRTPEEVASA DKLILPGVGH FGHCLSQLSS
AGYLPAIRAH IDSGKPFMGI CVGLQALWGG SVEDPDVPGL GVIRGKLDRF DDSDKAVPHI
GWNSANASSR ALYDLRPESK YYYVHSYKYP YVAGELEAAG WTVATGTYGA QNQFGGEVFV
GAVAKGNVLA TQFHPEKSGV AGLRVLKSFL TGEGARTLGQ EVAGPAPTGG LTRRVIACLD
VRANDQGDLV VTKGDQYDVR EKSEGNDVRN LGKPVELAKK YYEQGADEVT FLNITSFRDL
PVADVPMLEI LRRTSETVFV PLTIGGGIRD TVDTDGTKVS ALEIATMYFK SGADKVSIGS
DAVVAAEEYY GAGRKLFGNT AIEQISRAYG NQAVVVSVDP KRIYVPKPDA TRHHTIKTNF
PSQTESRDEY CWYACTIKGG RETRDLDVVE LVQAVEAMGA GEILLNCIDK DGTNSGFDLE
LINQVKSSVR IPVIASSGAG NPQHFEEVFE KTTTDAALGA GIFHREEYTV KQVKDYLAEK
GLEVRLFERD L
//
