ID   Q8TLP2_METAC            Unreviewed;       268 AA.
AC   Q8TLP2;
DT   01-JUN-2002, integrated into UniProtKB/TrEMBL.
DT   01-JUN-2002, sequence version 1.
DT   04-NOV-2026, entry version 130.
DE   RecName: Full=Indole-3-glycerol phosphate synthase {ECO:0000256|HAMAP-Rule:MF_00134};
DE            Short=IGPS {ECO:0000256|HAMAP-Rule:MF_00134};
DE            EC=4.1.1.48 {ECO:0000256|HAMAP-Rule:MF_00134};
GN   Name=trpC {ECO:0000256|HAMAP-Rule:MF_00134,
GN   ECO:0000313|EMBL:AAM06365.1};
GN   OrderedLocusNames=MA_2992 {ECO:0000313|EMBL:AAM06365.1};
OS   Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 /
OS   C2A).
OC   Archaea; Methanobacteriati; Methanobacteriota; Stenosarchaea group;
OC   Methanomicrobia; Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=188937 {ECO:0000313|EMBL:AAM06365.1, ECO:0000313|Proteomes:UP000002487};
RN   [1] {ECO:0000313|EMBL:AAM06365.1, ECO:0000313|Proteomes:UP000002487}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35395 / DSM 2834 / JCM 12185 / C2A
RC   {ECO:0000313|Proteomes:UP000002487};
RX   PubMed=11932238; DOI=10.1101/gr.223902;
RA   Galagan J.E., Nusbaum C., Roy A., Endrizzi M.G., Macdonald P., FitzHugh W.,
RA   Calvo S., Engels R., Smirnov S., Atnoor D., Brown A., Allen N., Naylor J.,
RA   Stange-Thomann N., DeArellano K., Johnson R., Linton L., McEwan P.,
RA   McKernan K., Talamas J., Tirrell A., Ye W., Zimmer A., Barber R.D.,
RA   Cann I., Graham D.E., Grahame D.A., Guss A., Hedderich R., Ingram-Smith C.,
RA   Kuettner C.H., Krzycki J.A., Leigh J.A., Li W., Liu J., Mukhopadhyay B.,
RA   Reeve J.N., Smith K., Springer T.A., Umayam L.A., White O., White R.H.,
RA   de Macario E.C., Ferry J.G., Jarrell K.F., Jing H., Macario A.J.L.,
RA   Paulsen I., Pritchett M., Sowers K.R., Swanson R.V., Zinder S.H.,
RA   Lander E., Metcalf W.W., Birren B.;
RT   "The genome of Methanosarcina acetivorans reveals extensive metabolic and
RT   physiological diversity.";
RL   Genome Res. 12:532-542(2002).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=1-(2-carboxyphenylamino)-1-deoxy-D-ribulose 5-phosphate + H(+)
CC         = (1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate + CO2 + H2O;
CC         Xref=Rhea:RHEA:23476, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16526, ChEBI:CHEBI:58613, ChEBI:CHEBI:58866; EC=4.1.1.48;
CC         Evidence={ECO:0000256|ARBA:ARBA00001633, ECO:0000256|HAMAP-
CC         Rule:MF_00134};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-tryptophan biosynthesis; L-
CC       tryptophan from chorismate: step 4/5. {ECO:0000256|ARBA:ARBA00004696,
CC       ECO:0000256|HAMAP-Rule:MF_00134}.
CC   -!- SIMILARITY: Belongs to the TrpC family. {ECO:0000256|HAMAP-
CC       Rule:MF_00134}.
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DR   EMBL; AE010299; AAM06365.1; -; Genomic_DNA.
DR   RefSeq; WP_011022932.1; NC_003552.1.
DR   AlphaFoldDB; Q8TLP2; -.
DR   FunCoup; Q8TLP2; 115.
DR   STRING; 188937.MA_2992; -.
DR   EnsemblBacteria; AAM06365; AAM06365; MA_2992.
DR   GeneID; 1474886; -.
DR   KEGG; mac:MA_2992; -.
DR   HOGENOM; CLU_034247_0_1_2; -.
DR   InParanoid; Q8TLP2; -.
DR   OMA; AAADWNM; -.
DR   OrthoDB; 15223at2157; -.
DR   PhylomeDB; Q8TLP2; -.
DR   UniPathway; UPA00035; UER00043.
DR   Proteomes; UP000002487; Chromosome.
DR   GO; GO:0004425; F:indole-3-glycerol-phosphate synthase activity; IBA:GO_Central.
DR   GO; GO:0000162; P:L-tryptophan biosynthetic process; IBA:GO_Central.
DR   CDD; cd00331; IGPS; 1.
DR   Gene3D; 3.20.20.70; Aldolase class I; 1.
DR   HAMAP; MF_00134_A; IGPS_A; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR045186; Indole-3-glycerol_P_synth.
DR   InterPro; IPR013798; Indole-3-glycerol_P_synth_dom.
DR   InterPro; IPR011060; RibuloseP-bd_barrel.
DR   PANTHER; PTHR22854:SF2; INDOLE-3-GLYCEROL-PHOSPHATE SYNTHASE; 1.
DR   PANTHER; PTHR22854; TRYPTOPHAN BIOSYNTHESIS PROTEIN; 1.
DR   Pfam; PF00218; IGPS; 1.
DR   SUPFAM; SSF51366; Ribulose-phoshate binding barrel; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW   Rule:MF_00134};
KW   Aromatic amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023141,
KW   ECO:0000256|HAMAP-Rule:MF_00134};
KW   Decarboxylase {ECO:0000256|ARBA:ARBA00022793, ECO:0000256|HAMAP-
KW   Rule:MF_00134};
KW   Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00134};
KW   Reference proteome {ECO:0000313|Proteomes:UP000002487};
KW   Tryptophan biosynthesis {ECO:0000256|ARBA:ARBA00022822, ECO:0000256|HAMAP-
KW   Rule:MF_00134}.
FT   DOMAIN          17..259
FT                   /note="Indole-3-glycerol phosphate synthase"
FT                   /evidence="ECO:0000259|Pfam:PF00218"
SQ   SEQUENCE   268 AA;  29616 MW;  CEFD48182B041E28 CRC64;
     MHDSILHILN TTKTRIQNFG ADIHTEETQP QFQKRDFIAA VAAVRADGRM PVIAEVKPAS
     PGKSFREIPP AEAAELAWEM EEAGAVAISV LTEPGVFRGS LENLKQVRKT VCLPVLRKDF
     IIDRRQLEET GSDLILLIAG ILGPELDAFV DLALEKGFEP LVEVHNSEEL ELALETDTKL
     IGINNRNFET LKIDLATTEA LAPLIREYDL DHGTSHIIIS ESGMNSPADV RRVIEAGADA
     VLIGSALMES DSVFEKTKEF VQSFCWRE
//