ID   HIS7_LACK1              Reviewed;         232 AA.
AC   Q02986;
DT   01-JUL-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1993, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=Imidazoleglycerol-phosphate dehydratase;
DE            Short=IGPD;
DE            EC=4.2.1.19;
GN   Name=HIS3;
OS   Lachancea kluyveri (strain ATCC 58438 / CBS 3082 / BCRC 21498 / NBRC 1685 /
OS   JCM 7257 / NCYC 543 / NRRL Y-12651) (Yeast) (Saccharomyces kluyveri).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC   Saccharomycetales; Saccharomycetaceae; Lachancea.
OX   NCBI_TaxID=226302;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 58438 / CBS 3082 / BCRC 21498 / NBRC 1685 / JCM 7257 / NCYC 543
RC   / NRRL Y-12651;
RX   PubMed=8511965; DOI=10.1002/yea.320090405;
RA   Weinstock K.G., Strathern J.N.;
RT   "Molecular genetics in Saccharomyces kluyveri: the HIS3 homolog and its use
RT   as a selectable marker gene in S. kluyveri and Saccharomyces cerevisiae.";
RL   Yeast 9:351-361(1993).
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   -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC       from 5-phospho-alpha-D-ribose 1-diphosphate: step 6/9.
CC   -!- SIMILARITY: Belongs to the imidazoleglycerol-phosphate dehydratase
CC       family. {ECO:0000305}.
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DR   EMBL; Z14125; CAA78497.1; -; Genomic_DNA.
DR   PIR; S31235; S31235.
DR   AlphaFoldDB; Q02986; -.
DR   SMR; Q02986; -.
DR   UniPathway; UPA00031; UER00011.
DR   GO; GO:0004424; F:imidazoleglycerol-phosphate dehydratase activity; IEA:UniProtKB-EC.
DR   GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniPathway.
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; Histidine biosynthesis; Lyase.
FT   CHAIN           1..232
FT                   /note="Imidazoleglycerol-phosphate dehydratase"
FT                   /id="PRO_0000158246"
SQ   SEQUENCE   232 AA;  25325 MW;  84DE4EA32ED62C1F CRC64;
     MTEPAQKKQK QTVQERKAFI SRITNETKIQ IAISLNGGYI QIKDSILPAK KDDDVASQAT
     QSQVIDIHTG VGFLDHMIHA LAKHSGWSLI VECIGDLHID DHHTTEDCGI ALGQAFKEAM
     GAVRGVKRFG TGFAPLDEAL SRAVVDLSNR PFAVIDLGLK REMIGDLSTE MIPHFLESFA
     EAARITLHVD CLRGFNDHHR SESAFKALAV AIREAISSNG TNDVPSTKGV LM