ID   HIS7_GLOVI              Reviewed;         197 AA.
AC   Q7NMJ6;
DT   01-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-2003, sequence version 1.
DT   03-AUG-2022, entry version 103.
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=gll0769;
OS   Gloeobacter violaceus (strain ATCC 29082 / PCC 7421).
OC   Bacteria; Cyanobacteria; Gloeobacteria; Gloeobacterales; Gloeobacteraceae;
OC   Gloeobacter.
OX   NCBI_TaxID=251221;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29082 / PCC 7421;
RX   PubMed=14621292; DOI=10.1093/dnares/10.4.137;
RA   Nakamura Y., Kaneko T., Sato S., Mimuro M., Miyashita H., Tsuchiya T.,
RA   Sasamoto S., Watanabe A., Kawashima K., Kishida Y., Kiyokawa C., Kohara M.,
RA   Matsumoto M., Matsuno A., Nakazaki N., Shimpo S., Takeuchi C., Yamada M.,
RA   Tabata S.;
RT   "Complete genome structure of Gloeobacter violaceus PCC 7421, a
RT   cyanobacterium that lacks thylakoids.";
RL   DNA Res. 10:137-145(2003).
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; BA000045; BAC88710.1; -; Genomic_DNA.
DR   RefSeq; NP_923715.1; NC_005125.1.
DR   RefSeq; WP_011140771.1; NC_005125.1.
DR   AlphaFoldDB; Q7NMJ6; -.
DR   SMR; Q7NMJ6; -.
DR   STRING; 251221.35211331; -.
DR   EnsemblBacteria; BAC88710; BAC88710; BAC88710.
DR   KEGG; gvi:gll0769; -.
DR   PATRIC; fig|251221.4.peg.784; -.
DR   eggNOG; COG0131; Bacteria.
DR   HOGENOM; CLU_044308_3_0_3; -.
DR   InParanoid; Q7NMJ6; -.
DR   OMA; ARHGLFD; -.
DR   OrthoDB; 1278103at2; -.
DR   PhylomeDB; Q7NMJ6; -.
DR   UniPathway; UPA00031; UER00011.
DR   Proteomes; UP000000557; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004424; F:imidazoleglycerol-phosphate dehydratase activity; IBA:GO_Central.
DR   GO; GO:0000105; P:histidine biosynthetic process; IBA:GO_Central.
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_0000158132"
SQ   SEQUENCE   197 AA;  21581 MW;  60F01531E74BB7ED CRC64;
     MEPRIASTVR TTRETDIQIR LDLDGTGRVQ AETGVPFLDH MLAQIATHGL IDIDVSAQGD
     LHIDDHHTNE DVGIAFGQCL AKALGDKRGI SRFGHFAAPL DEALVQVVLD LSGRPHLSYG
     LEIPTQRVGS YDTQLVREFY QAVVNNSSMT LHLRQWAGIN SHHIIEASFK AFARALRLAV
     EIDPRRAGSL PSSKGAL