ID   HIS7_CENSY              Reviewed;         193 AA.
AC   A0RZ75;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   09-JAN-2007, sequence version 1.
DT   25-MAY-2022, entry version 65.
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=CENSYa_2039;
OS   Cenarchaeum symbiosum (strain A).
OC   Archaea; Thaumarchaeota; Cenarchaeales; Cenarchaeaceae; Cenarchaeum.
OX   NCBI_TaxID=414004;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=A;
RX   PubMed=17114289; DOI=10.1073/pnas.0608549103;
RA   Hallam S.J., Konstantinidis K.T., Putnam N., Schleper C., Watanabe Y.,
RA   Sugahara J., Preston C., de la Torre J., Richardson P.M., DeLong E.F.;
RT   "Genomic analysis of the uncultivated marine crenarchaeote Cenarchaeum
RT   symbiosum.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:18296-18301(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; DP000238; ABK78642.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0RZ75; -.
DR   SMR; A0RZ75; -.
DR   STRING; 414004.CENSYa_2039; -.
DR   EnsemblBacteria; ABK78642; ABK78642; CENSYa_2039.
DR   KEGG; csy:CENSYa_2039; -.
DR   PATRIC; fig|414004.10.peg.1871; -.
DR   HOGENOM; CLU_044308_2_0_2; -.
DR   OMA; ARHGLFD; -.
DR   UniPathway; UPA00031; UER00011.
DR   Proteomes; UP000000758; 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; IPR020568; Ribosomal_S5_D2-typ_fold.
DR   PANTHER; PTHR23133; PTHR23133; 1.
DR   Pfam; PF00475; IGPD; 1.
DR   SUPFAM; SSF54211; SSF54211; 2.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; Histidine biosynthesis; Lyase;
KW   Reference proteome.
FT   CHAIN           1..193
FT                   /note="Imidazoleglycerol-phosphate dehydratase"
FT                   /id="PRO_1000057518"
SQ   SEQUENCE   193 AA;  21221 MW;  CE72499889AC7814 CRC64;
     MRKNESQRET KETEVSVSVL LDGTGSTTVN TGQPFLDHLV SSLGKHAMFD IDLKASSRDG
     IVHHLVEDVA ITLGGAIDKA LGDRSGIMRF GHASVPLDES LSEAVVDLVK RPYHRIEMKI
     KRPEVEGIAK EDLEHFFDSL LRNLDCCIHL TVKYGNNDHH RVESAIKSLA VALRMAVSAD
     PRREGPPSTK GSM