ID   HIS7_NITOC              Reviewed;         197 AA.
AC   Q3J6Q4;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   03-AUG-2022, entry version 90.
DE   RecName: Full=Imidazoleglycerol-phosphate dehydratase {ECO:0000255|HAMAP-Rule:MF_00076};
DE            Short=IGPD {ECO:0000255|HAMAP-Rule:MF_00076};
DE            EC=4.2.1.19 {ECO:0000255|HAMAP-Rule:MF_00076};
GN   Name=hisB {ECO:0000255|HAMAP-Rule:MF_00076}; OrderedLocusNames=Noc_3051;
OS   Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB
OS   11848 / C-107).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Chromatiales; Chromatiaceae;
OC   Nitrosococcus.
OX   NCBI_TaxID=323261;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB 11848 / C-107;
RX   PubMed=16957257; DOI=10.1128/aem.00463-06;
RA   Klotz M.G., Arp D.J., Chain P.S.G., El-Sheikh A.F., Hauser L.J.,
RA   Hommes N.G., Larimer F.W., Malfatti S.A., Norton J.M., Poret-Peterson A.T.,
RA   Vergez L.M., Ward B.B.;
RT   "Complete genome sequence of the marine, chemolithoautotrophic, ammonia-
RT   oxidizing bacterium Nitrosococcus oceani ATCC 19707.";
RL   Appl. Environ. Microbiol. 72:6299-6315(2006).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate = 3-(imidazol-
CC         4-yl)-2-oxopropyl phosphate + H2O; Xref=Rhea:RHEA:11040,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:57766, ChEBI:CHEBI:58278; EC=4.2.1.19;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00076};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC       from 5-phospho-alpha-D-ribose 1-diphosphate: step 6/9.
CC       {ECO:0000255|HAMAP-Rule:MF_00076}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00076}.
CC   -!- SIMILARITY: Belongs to the imidazoleglycerol-phosphate dehydratase
CC       family. {ECO:0000255|HAMAP-Rule:MF_00076}.
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DR   EMBL; CP000127; ABA59492.1; -; Genomic_DNA.
DR   RefSeq; WP_002812998.1; NC_007484.1.
DR   AlphaFoldDB; Q3J6Q4; -.
DR   SMR; Q3J6Q4; -.
DR   STRING; 323261.Noc_3051; -.
DR   PRIDE; Q3J6Q4; -.
DR   EnsemblBacteria; ABA59492; ABA59492; Noc_3051.
DR   KEGG; noc:Noc_3051; -.
DR   eggNOG; COG0131; Bacteria.
DR   HOGENOM; CLU_044308_3_0_6; -.
DR   OMA; ARHGLFD; -.
DR   OrthoDB; 1278103at2; -.
DR   UniPathway; UPA00031; UER00011.
DR   Proteomes; UP000006838; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004424; F:imidazoleglycerol-phosphate dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd07914; IGPD; 1.
DR   Gene3D; 3.30.230.40; -; 2.
DR   HAMAP; MF_00076; HisB; 1.
DR   InterPro; IPR038494; IGPD_sf.
DR   InterPro; IPR000807; ImidazoleglycerolP_deHydtase.
DR   InterPro; IPR020565; ImidazoleglycerP_deHydtase_CS.
DR   InterPro; IPR020568; Ribosomal_S5_D2-typ_fold.
DR   PANTHER; PTHR23133; PTHR23133; 1.
DR   Pfam; PF00475; IGPD; 1.
DR   SUPFAM; SSF54211; SSF54211; 2.
DR   PROSITE; PS00954; IGP_DEHYDRATASE_1; 1.
DR   PROSITE; PS00955; IGP_DEHYDRATASE_2; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; Histidine biosynthesis; Lyase;
KW   Reference proteome.
FT   CHAIN           1..197
FT                   /note="Imidazoleglycerol-phosphate dehydratase"
FT                   /id="PRO_1000010312"
SQ   SEQUENCE   197 AA;  21977 MW;  FD698425843AD379 CRC64;
     MSNYTATVYR ETLETRVEVD LNLSGEGHFT AETGLPFLEH MLAQVARHGL LDLTVKASGD
     LHIDAHHTVE DIGITLGQAL QQALGDKTGL QRYGYAYVPL DEALSRVVLD LSGRPSLHYR
     VNYPRARIGD FDVDLFQEFF QGLVNHAAMT LHIDNLHGRN AHHIAETIFK AFGRALRVAV
     EYDPRRKGQL ASTKGML