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Database: UniProt
Entry: A0A2N7VYR0_9BURK
LinkDB: A0A2N7VYR0_9BURK
Original site: A0A2N7VYR0_9BURK 
ID   A0A2N7VYR0_9BURK        Unreviewed;       212 AA.
AC   A0A2N7VYR0;
DT   25-APR-2018, integrated into UniProtKB/TrEMBL.
DT   25-APR-2018, sequence version 1.
DT   24-JAN-2024, entry version 19.
DE   RecName: Full=Imidazole glycerol phosphate synthase subunit HisH {ECO:0000256|HAMAP-Rule:MF_00278};
DE            EC=4.3.2.10 {ECO:0000256|HAMAP-Rule:MF_00278};
DE   AltName: Full=IGP synthase glutaminase subunit {ECO:0000256|HAMAP-Rule:MF_00278};
DE            EC=3.5.1.2 {ECO:0000256|HAMAP-Rule:MF_00278};
DE   AltName: Full=IGP synthase subunit HisH {ECO:0000256|HAMAP-Rule:MF_00278};
DE   AltName: Full=ImGP synthase subunit HisH {ECO:0000256|HAMAP-Rule:MF_00278};
DE            Short=IGPS subunit HisH {ECO:0000256|HAMAP-Rule:MF_00278};
GN   Name=hisH {ECO:0000256|HAMAP-Rule:MF_00278};
GN   ORFNames=C0Z19_17125 {ECO:0000313|EMBL:PMS22297.1};
OS   Trinickia soli.
OC   Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Trinickia.
OX   NCBI_TaxID=380675 {ECO:0000313|EMBL:PMS22297.1, ECO:0000313|Proteomes:UP000235347};
RN   [1] {ECO:0000313|EMBL:PMS22297.1, ECO:0000313|Proteomes:UP000235347}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=GP25-8 {ECO:0000313|EMBL:PMS22297.1,
RC   ECO:0000313|Proteomes:UP000235347};
RA   Estrada-de los Santos P., Palmer M., Chavez-Ramirez B., Beukes C.,
RA   Steenkamp E.T., Hirsch A.M., Manyaka P., Maluk M., Lafos M., Crook M.,
RA   Gross E., Simon M.F., Bueno dos Reis Junior F., Poole P.S., Venter S.N.,
RA   James E.K.;
RT   "Whole genome analyses suggest that Burkholderia sensu lato contains two
RT   further novel genera in the rhizoxinica-symbiotica group Mycetohabitans
RT   gen. nov., and Trinickia gen. nov.: implications for the evolution of
RT   diazotrophy and nodulation in the Burkholderiaceae.";
RL   Submitted (JAN-2018) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: IGPS catalyzes the conversion of PRFAR and glutamine to IGP,
CC       AICAR and glutamate. The HisH subunit catalyzes the hydrolysis of
CC       glutamine to glutamate and ammonia as part of the synthesis of IGP and
CC       AICAR. The resulting ammonia molecule is channeled to the active site
CC       of HisF. {ECO:0000256|HAMAP-Rule:MF_00278}.
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, ECO:0000256|HAMAP-
CC         Rule:MF_00278};
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, ECO:0000256|HAMAP-
CC         Rule:MF_00278};
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|HAMAP-Rule:MF_00278}.
CC   -!- SUBUNIT: Heterodimer of HisH and HisF. {ECO:0000256|HAMAP-
CC       Rule:MF_00278}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00278}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:PMS22297.1}.
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DR   EMBL; PNYB01000014; PMS22297.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A2N7VYR0; -.
DR   UniPathway; UPA00031; UER00010.
DR   Proteomes; UP000235347; Unassembled WGS sequence.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
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:0016829; F:lyase activity; IEA:UniProtKB-KW.
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   Gene3D; 3.40.50.880; -; 1.
DR   HAMAP; MF_00278; HisH; 1.
DR   InterPro; IPR029062; Class_I_gatase-like.
DR   InterPro; IPR017926; GATASE.
DR   InterPro; IPR010139; Imidazole-glycPsynth_HisH.
DR   NCBIfam; TIGR01855; IMP_synth_hisH; 1.
DR   PANTHER; PTHR42701; IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE SUBUNIT HISH; 1.
DR   PANTHER; PTHR42701:SF2; IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE SUBUNIT HISH 1; 1.
DR   Pfam; PF00117; GATase; 1.
DR   PIRSF; PIRSF000495; Amidotransf_hisH; 1.
DR   SUPFAM; SSF52317; Class I glutamine amidotransferase-like; 1.
DR   PROSITE; PS51273; GATASE_TYPE_1; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW   Rule:MF_00278};
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00278};
KW   Glutamine amidotransferase {ECO:0000256|HAMAP-Rule:MF_00278,
KW   ECO:0000256|PROSITE-ProRule:PRU00605};
KW   Histidine biosynthesis {ECO:0000256|ARBA:ARBA00023102, ECO:0000256|HAMAP-
KW   Rule:MF_00278};
KW   Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00278};
KW   Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00278};
KW   Reference proteome {ECO:0000313|Proteomes:UP000235347}.
FT   DOMAIN          6..207
FT                   /note="Glutamine amidotransferase"
FT                   /evidence="ECO:0000259|Pfam:PF00117"
FT   ACT_SITE        82
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00278,
FT                   ECO:0000256|PIRSR:PIRSR000495-1"
FT   ACT_SITE        192
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00278,
FT                   ECO:0000256|PIRSR:PIRSR000495-1"
FT   ACT_SITE        194
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00278,
FT                   ECO:0000256|PIRSR:PIRSR000495-1"
SQ   SEQUENCE   212 AA;  23378 MW;  4D4BF60E2C866B4D CRC64;
     MKKIAIVDYG MGNLRSVYQA LKKAAPEVDV AIVDRPDGIR AADRVVLPGQ GAMPDCMRCL
     GESGLQEAVL EASRAKPLMG VCVGEQMLFD WSEEGSTPGL GLMPGKVVRF ALEGRLQDDG
     SRFKVPQMGW NRVRQTRAHP LWAGVPDGAF FYFVHSYYVV PENPLHTVGE TDYGAIFTSA
     VARENLFATQ FHPEKSAASG LRVYRNFVDW NP
//
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