ID   HIS7_AZOSB              Reviewed;         195 AA.
AC   A1KAV7;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 2.
DT   25-MAY-2022, entry version 80.
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=azo3347;
OS   Azoarcus sp. (strain BH72).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Zoogloeaceae;
OC   Azoarcus.
OX   NCBI_TaxID=418699;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BH72;
RX   PubMed=17057704; DOI=10.1038/nbt1243;
RA   Krause A., Ramakumar A., Bartels D., Battistoni F., Bekel T., Boch J.,
RA   Boehm M., Friedrich F., Hurek T., Krause L., Linke B., McHardy A.C.,
RA   Sarkar A., Schneiker S., Syed A.A., Thauer R., Vorhoelter F.-J.,
RA   Weidner S., Puehler A., Reinhold-Hurek B., Kaiser O., Goesmann A.;
RT   "Complete genome of the mutualistic, N2-fixing grass endophyte Azoarcus sp.
RT   strain BH72.";
RL   Nat. Biotechnol. 24:1385-1391(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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAL95963.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AM406670; CAL95963.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_041642796.1; NC_008702.1.
DR   AlphaFoldDB; A1KAV7; -.
DR   SMR; A1KAV7; -.
DR   STRING; 62928.azo3347; -.
DR   EnsemblBacteria; CAL95963; CAL95963; azo3347.
DR   KEGG; aoa:dqs_3484; -.
DR   KEGG; azo:azo3347; -.
DR   eggNOG; COG0131; Bacteria.
DR   HOGENOM; CLU_044308_3_0_4; -.
DR   OrthoDB; 1278103at2; -.
DR   UniPathway; UPA00031; UER00011.
DR   Proteomes; UP000002588; 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..195
FT                   /note="Imidazoleglycerol-phosphate dehydratase"
FT                   /id="PRO_0000336295"
SQ   SEQUENCE   195 AA;  21516 MW;  9118B8D6540F058C CRC64;
     MRHADVTRDT LETRISVRID LDGTGKSVLA TGVPFFDHML DQIARHGAID LEVRAEGDTH
     IDDHHTVEDV GITLGQAFAK ALGDKKGILR YGHAYVPLDE ALSRVVVDFS GRPGLHYFVD
     YTRARIGNFD VDLAREFFQG FVNHAGVTLH VDNLRGDNAH HQCETIFKAF GRALRMAATR
     DERLAGAIPS TKGAL