ID   HIS7_METHJ              Reviewed;         193 AA.
AC   Q2FN13;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-MAR-2006, sequence version 1.
DT   25-MAY-2022, entry version 82.
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=Mhun_0920;
OS   Methanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 /
OS   JF-1).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanomicrobiales; Methanospirillaceae; Methanospirillum.
OX   NCBI_TaxID=323259;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27890 / DSM 864 / NBRC 100397 / JF-1;
RX   PubMed=26744606; DOI=10.1186/s40793-015-0124-8;
RA   Gunsalus R.P., Cook L.E., Crable B., Rohlin L., McDonald E., Mouttaki H.,
RA   Sieber J.R., Poweleit N., Zhou H., Lapidus A.L., Daligault H.E., Land M.,
RA   Gilna P., Ivanova N., Kyrpides N., Culley D.E., McInerney M.J.;
RT   "Complete genome sequence of Methanospirillum hungatei type strain JF1.";
RL   Stand. Genomic Sci. 11:2-2(2016).
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; CP000254; ABD40670.1; -; Genomic_DNA.
DR   RefSeq; WP_011447949.1; NC_007796.1.
DR   AlphaFoldDB; Q2FN13; -.
DR   SMR; Q2FN13; -.
DR   STRING; 323259.Mhun_0920; -.
DR   EnsemblBacteria; ABD40670; ABD40670; Mhun_0920.
DR   GeneID; 3924607; -.
DR   KEGG; mhu:Mhun_0920; -.
DR   eggNOG; arCOG04398; Archaea.
DR   HOGENOM; CLU_044308_3_0_2; -.
DR   OMA; ARHGLFD; -.
DR   OrthoDB; 91418at2157; -.
DR   UniPathway; UPA00031; UER00011.
DR   Proteomes; UP000001941; 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_0000336364"
SQ   SEQUENCE   193 AA;  21241 MW;  4C5B4029F6AB962D CRC64;
     MRTAEIKRKT KETDITVRFS LDGSGKGTIH TGIPFFDHML DSFTRHSRFD LDIQAIGDLE
     KGPHHTIEDI GIVLGQVFTH ALGEGRGIQR FASVIVPMDE SKAEVALDVG GRPYLVFEGS
     FSGPVEGVIE SWLVRHFFES FIQNAKVTAH MNVSGFSDHH KCEALFKAFG VALHSATKIV
     YDDGQVPSTK GVL