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Database: UniProt
Entry: E4PNU5_MARAH
LinkDB: E4PNU5_MARAH
Original site: E4PNU5_MARAH 
ID   E4PNU5_MARAH            Unreviewed;       225 AA.
AC   E4PNU5;
DT   08-FEB-2011, integrated into UniProtKB/TrEMBL.
DT   08-FEB-2011, sequence version 1.
DT   24-JAN-2024, entry version 67.
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   ECO:0000313|EMBL:ADP98775.1};
GN   OrderedLocusNames=HP15_3011 {ECO:0000313|EMBL:ADP98775.1};
OS   Marinobacter adhaerens (strain DSM 23420 / HP15).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC   Marinobacteraceae; Marinobacter.
OX   NCBI_TaxID=225937 {ECO:0000313|EMBL:ADP98775.1, ECO:0000313|Proteomes:UP000007077};
RN   [1] {ECO:0000313|EMBL:ADP98775.1, ECO:0000313|Proteomes:UP000007077}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 23420 / HP15 {ECO:0000313|Proteomes:UP000007077};
RX   PubMed=21304739;
RA   Gardes A., Kaeppel E., Shehzad A., Seebah S., Teeling H., Yarza P.,
RA   Glockner F.O., Grossart H.P., Ullrich M.S.;
RT   "Complete genome sequence of Marinobacter adhaerens type strain (HP15), a
RT   diatom-interacting marine microorganism.";
RL   Stand. Genomic Sci. 3:97-107(2010).
RN   [2] {ECO:0000313|Proteomes:UP000007077}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 23420 / HP15 {ECO:0000313|Proteomes:UP000007077};
RA   Gaerdes A.A.M., Kaeppel E., Shezad A., Seebah S., Teeling H., Yarza P.,
RA   Gloeckner F.O., Ullrich M.S.;
RT   "Complete genome sequence of Marinobacter adhaerens type strain (HP15).";
RL   Submitted (FEB-2010) 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}.
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DR   EMBL; CP001978; ADP98775.1; -; Genomic_DNA.
DR   AlphaFoldDB; E4PNU5; -.
DR   STRING; 225937.HP15_3011; -.
DR   KEGG; mad:HP15_3011; -.
DR   PATRIC; fig|225937.3.peg.3038; -.
DR   eggNOG; COG0118; Bacteria.
DR   HOGENOM; CLU_071837_2_0_6; -.
DR   OMA; WVYFVHS; -.
DR   UniPathway; UPA00031; UER00010.
DR   Proteomes; UP000007077; Chromosome.
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   Glycosyltransferase {ECO:0000313|EMBL:ADP98775.1};
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   Transferase {ECO:0000313|EMBL:ADP98775.1}.
FT   DOMAIN          18..218
FT                   /note="Glutamine amidotransferase"
FT                   /evidence="ECO:0000259|Pfam:PF00117"
FT   ACT_SITE        94
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00278,
FT                   ECO:0000256|PIRSR:PIRSR000495-1"
FT   ACT_SITE        203
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00278,
FT                   ECO:0000256|PIRSR:PIRSR000495-1"
FT   ACT_SITE        205
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00278,
FT                   ECO:0000256|PIRSR:PIRSR000495-1"
SQ   SEQUENCE   225 AA;  25036 MW;  17B078B7922DB260 CRC64;
     MFDRSIKDTA TTMKTVAIID YGMGNLHSAK KAVEHVAPDT TVLVTDNAEK IREADRVILP
     GVGAIRDCMA EMHRLGVVDL VREVSQDRPF LGICVGMQAL MSRSEENGGV DCIGLFPSQV
     RYFGDHLTEN GERLKVPHMG WNQVQQTIDH PLWHNIPEGD RFYFVHSFYA EAEGNADMAG
     RTRYGVDLAA AVARDNIFAV QFHPEKSARA GLQLLENFTN WTGTC
//
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