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TRPA_METMP
ID   TRPA_METMP              Reviewed;         258 AA.
AC   Q6LYI9;
DT   16-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=Tryptophan synthase alpha chain {ECO:0000255|HAMAP-Rule:MF_00131};
DE            EC=4.2.1.20 {ECO:0000255|HAMAP-Rule:MF_00131};
GN   Name=trpA {ECO:0000255|HAMAP-Rule:MF_00131}; OrderedLocusNames=MMP1002;
OS   Methanococcus maripaludis (strain S2 / LL).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanococcaceae; Methanococcus.
OX   NCBI_TaxID=267377;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=S2 / LL;
RX   PubMed=15466049; DOI=10.1128/jb.186.20.6956-6969.2004;
RA   Hendrickson E.L., Kaul R., Zhou Y., Bovee D., Chapman P., Chung J.,
RA   Conway de Macario E., Dodsworth J.A., Gillett W., Graham D.E., Hackett M.,
RA   Haydock A.K., Kang A., Land M.L., Levy R., Lie T.J., Major T.A.,
RA   Moore B.C., Porat I., Palmeiri A., Rouse G., Saenphimmachak C., Soell D.,
RA   Van Dien S., Wang T., Whitman W.B., Xia Q., Zhang Y., Larimer F.W.,
RA   Olson M.V., Leigh J.A.;
RT   "Complete genome sequence of the genetically tractable hydrogenotrophic
RT   methanogen Methanococcus maripaludis.";
RL   J. Bacteriol. 186:6956-6969(2004).
CC   -!- FUNCTION: The alpha subunit is responsible for the aldol cleavage of
CC       indoleglycerol phosphate to indole and glyceraldehyde 3-phosphate.
CC       {ECO:0000255|HAMAP-Rule:MF_00131}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate + L-serine = D-
CC         glyceraldehyde 3-phosphate + H2O + L-tryptophan;
CC         Xref=Rhea:RHEA:10532, ChEBI:CHEBI:15377, ChEBI:CHEBI:33384,
CC         ChEBI:CHEBI:57912, ChEBI:CHEBI:58866, ChEBI:CHEBI:59776; EC=4.2.1.20;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00131};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-tryptophan biosynthesis; L-
CC       tryptophan from chorismate: step 5/5. {ECO:0000255|HAMAP-
CC       Rule:MF_00131}.
CC   -!- SUBUNIT: Tetramer of two alpha and two beta chains. {ECO:0000255|HAMAP-
CC       Rule:MF_00131}.
CC   -!- SIMILARITY: Belongs to the TrpA family. {ECO:0000255|HAMAP-
CC       Rule:MF_00131}.
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DR   EMBL; BX950229; CAF30558.1; -; Genomic_DNA.
DR   RefSeq; WP_011170946.1; NC_005791.1.
DR   AlphaFoldDB; Q6LYI9; -.
DR   SMR; Q6LYI9; -.
DR   STRING; 267377.MMP1002; -.
DR   EnsemblBacteria; CAF30558; CAF30558; MMP1002.
DR   GeneID; 2762792; -.
DR   KEGG; mmp:MMP1002; -.
DR   PATRIC; fig|267377.15.peg.1031; -.
DR   eggNOG; arCOG01086; Archaea.
DR   HOGENOM; CLU_016734_0_2_2; -.
DR   OMA; LVMTYWN; -.
DR   OrthoDB; 65368at2157; -.
DR   BioCyc; MMAR267377:MMP_RS05185-MON; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000000590; Chromosome.
DR   GO; GO:0004834; F:tryptophan synthase activity; IEA:UniProtKB-UniRule.
DR   CDD; cd04724; Tryptophan_synthase_alpha; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_00131; Trp_synth_alpha; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR011060; RibuloseP-bd_barrel.
DR   InterPro; IPR018204; Trp_synthase_alpha_AS.
DR   InterPro; IPR002028; Trp_synthase_suA.
DR   PANTHER; PTHR43406; PTHR43406; 1.
DR   Pfam; PF00290; Trp_syntA; 1.
DR   SUPFAM; SSF51366; SSF51366; 1.
DR   TIGRFAMs; TIGR00262; trpA; 1.
DR   PROSITE; PS00167; TRP_SYNTHASE_ALPHA; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Aromatic amino acid biosynthesis; Lyase;
KW   Reference proteome; Tryptophan biosynthesis.
FT   CHAIN           1..258
FT                   /note="Tryptophan synthase alpha chain"
FT                   /id="PRO_0000098892"
FT   ACT_SITE        35
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00131"
FT   ACT_SITE        46
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00131"
SQ   SEQUENCE   258 AA;  28497 MW;  B3DE7DF2B680F2C2 CRC64;
     MNKPVLVSFL VSGDPNPDAT LKFMKTLDKY SGVIELGIPF SDPVADGPTI QAADVRSLSN
     NFKIAKSFEV LKEFRKESDT PVILMTYYNP VYKRGIENFV IQAKEAGANG LIIVDLPLQE
     ATEYRKICKK HEMGTVFLAA PNTPEERLKI SDEASTEFLY LISTFGITGA RDTFEQMTFD
     FIKRARTTCK GKICVGFGIS KGSHAESLIE QGADGVIVGS AFVDIIKNYG DSKEALVKLE
     ELAKELSEGI DKGYEKRK
 
 
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