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Database: UniProt
Entry: A0A0W0VVG8_9GAMM
LinkDB: A0A0W0VVG8_9GAMM
Original site: A0A0W0VVG8_9GAMM 
ID   A0A0W0VVG8_9GAMM        Unreviewed;       208 AA.
AC   A0A0W0VVG8;
DT   16-MAR-2016, integrated into UniProtKB/TrEMBL.
DT   16-MAR-2016, sequence version 1.
DT   24-JAN-2024, entry version 32.
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=Llan_0447 {ECO:0000313|EMBL:KTD24308.1};
OS   Legionella lansingensis.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Legionellales;
OC   Legionellaceae; Legionella.
OX   NCBI_TaxID=45067 {ECO:0000313|EMBL:KTD24308.1, ECO:0000313|Proteomes:UP000054869};
RN   [1] {ECO:0000313|EMBL:KTD24308.1, ECO:0000313|Proteomes:UP000054869}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49751 {ECO:0000313|EMBL:KTD24308.1,
RC   ECO:0000313|Proteomes:UP000054869};
RA   Burstein D., Amaro F., Zusman T., Lifshitz Z., Cohen O., Gilbert J.A.,
RA   Pupko T., Shuman H.A., Segal G.;
RT   "Genomic analysis of 38 Legionella species identifies large and diverse
RT   effector repertoires.";
RL   Submitted (NOV-2015) 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|ARBA:ARBA00011152,
CC       ECO:0000256|HAMAP-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:KTD24308.1}.
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DR   EMBL; LNYI01000010; KTD24308.1; -; Genomic_DNA.
DR   RefSeq; WP_028373023.1; NZ_LT906451.1.
DR   AlphaFoldDB; A0A0W0VVG8; -.
DR   STRING; 45067.Llan_0447; -.
DR   PATRIC; fig|45067.4.peg.471; -.
DR   eggNOG; COG0118; Bacteria.
DR   OrthoDB; 9807137at2; -.
DR   UniPathway; UPA00031; UER00010.
DR   Proteomes; UP000054869; 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:SF1; IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE SUBUNIT HISH; 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}; Cytoplasm {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:UP000054869};
KW   Transferase {ECO:0000313|EMBL:KTD24308.1}.
FT   DOMAIN          11..205
FT                   /note="Glutamine amidotransferase"
FT                   /evidence="ECO:0000259|Pfam:PF00117"
FT   ACT_SITE        87
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00278,
FT                   ECO:0000256|PIRSR:PIRSR000495-1"
FT   ACT_SITE        190
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"
SQ   SEQUENCE   208 AA;  23398 MW;  6F70DA2AECF239FE CRC64;
     MHTAKKSVVG IIDYQAGNIQ SIENAFNHIG ARVLRVTTEK QLLECTHLVL PGVGAFGFCV
     ENLRSSEFIP SIERWAFEER KPLLGICVGM QLLTECSEES PETPGLSWFN GDIKRIPTYP
     GIRVPHVGWN SVQFECDFGE FISGNKADFY FDHSFAYQNP TEKEVVGFCT HGVRFGAIIK
     RDNIIAAQFH PEKSQEAGLR FLRGFLLQ
//
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