ID   HIS7_HYPNA              Reviewed;         208 AA.
AC   Q0C636;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 1.
DT   25-MAY-2022, entry version 106.
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=HNE_0073;
OS   Hyphomonas neptunium (strain ATCC 15444).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomonadales;
OC   Hyphomonadaceae; Hyphomonas.
OX   NCBI_TaxID=228405;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 15444;
RX   PubMed=16980487; DOI=10.1128/jb.00111-06;
RA   Badger J.H., Hoover T.R., Brun Y.V., Weiner R.M., Laub M.T., Alexandre G.,
RA   Mrazek J., Ren Q., Paulsen I.T., Nelson K.E., Khouri H.M., Radune D.,
RA   Sosa J., Dodson R.J., Sullivan S.A., Rosovitz M.J., Madupu R.,
RA   Brinkac L.M., Durkin A.S., Daugherty S.C., Kothari S.P., Giglio M.G.,
RA   Zhou L., Haft D.H., Selengut J.D., Davidsen T.M., Yang Q., Zafar N.,
RA   Ward N.L.;
RT   "Comparative genomic evidence for a close relationship between the
RT   dimorphic prosthecate bacteria Hyphomonas neptunium and Caulobacter
RT   crescentus.";
RL   J. Bacteriol. 188:6841-6850(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; CP000158; ABI78269.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q0C636; -.
DR   SMR; Q0C636; -.
DR   STRING; 228405.HNE_0073; -.
DR   EnsemblBacteria; ABI78269; ABI78269; HNE_0073.
DR   KEGG; hne:HNE_0073; -.
DR   eggNOG; COG0131; Bacteria.
DR   HOGENOM; CLU_044308_3_0_5; -.
DR   OMA; ARHGLFD; -.
DR   UniPathway; UPA00031; UER00011.
DR   Proteomes; UP000001959; 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..208
FT                   /note="Imidazoleglycerol-phosphate dehydratase"
FT                   /id="PRO_0000336315"
SQ   SEQUENCE   208 AA;  23124 MW;  2ACD3406FF30A897 CRC64;
     MRLRQFIWLS MTQTRTADVS RSTKETEISV SVNLDGTGKA DIETGIGFFD HMLDSLARHS
     LIDLKVRCKG DTHIDFHHSV EDTGIVIGQA IAKALGDFGG ITRFGHAYIP MDETLTRASV
     DLCKRPYLIW KVEFRRDKIG EMDTELFKEF FHALAGNGGM CLHVENIYGE NNHHIAESCF
     KATARALRTA ITVDPRLGGK PASTKGSL