ID   HIS7_ENDTX              Reviewed;         195 AA.
AC   B1H0E9;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   25-MAY-2022, entry version 71.
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=TGRD_498;
OS   Endomicrobium trichonymphae.
OC   Bacteria; Elusimicrobia; Endomicrobia; Endomicrobiales; Endomicrobiaceae;
OC   Endomicrobium.
OX   NCBI_TaxID=1408204;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=18391199; DOI=10.1073/pnas.0801389105;
RA   Hongoh Y., Sharma V.K., Prakash T., Noda S., Taylor T.D., Kudo T.,
RA   Sakaki Y., Toyoda A., Hattori M., Ohkuma M.;
RT   "Complete genome of the uncultured termite group 1 bacteria in a single
RT   host protist cell.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:5555-5560(2008).
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; AP009510; BAG13981.1; -; Genomic_DNA.
DR   RefSeq; WP_015423506.1; NC_020419.1.
DR   RefSeq; YP_001956442.1; NC_020419.1.
DR   AlphaFoldDB; B1H0E9; -.
DR   SMR; B1H0E9; -.
DR   STRING; 471821.TGRD_498; -.
DR   EnsemblBacteria; BAG13981; BAG13981; TGRD_498.
DR   KEGG; rsd:TGRD_498; -.
DR   PATRIC; fig|471821.5.peg.810; -.
DR   HOGENOM; CLU_044308_3_0_0; -.
DR   OMA; ARHGLFD; -.
DR   OrthoDB; 1278103at2; -.
DR   UniPathway; UPA00031; UER00011.
DR   Proteomes; UP000001691; 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.
FT   CHAIN           1..195
FT                   /note="Imidazoleglycerol-phosphate dehydratase"
FT                   /id="PRO_1000092720"
SQ   SEQUENCE   195 AA;  21781 MW;  AF46623A64C5AE88 CRC64;
     MKQRKAKITR KTKETNIVVE INLDNILLPS VSTTIGFLDH MLELFAVHSG IGFKIKASGD
     THIDDHHLVE DAGITIGQAL KEAVGDKKGI VRYGHFLLPM DETLSYVALD LAGRFYLSYE
     ADIKFQKNGF NYDLIQEFFY ALASNAGITL HIKMIKGRNN HHIAESIFKA FGRALRQAVS
     YSKSKKTVPS TKGIL