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TRPA_METM7
ID   TRPA_METM7              Reviewed;         259 AA.
AC   A6VFT8;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   25-MAY-2022, entry version 70.
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=MmarC7_0244;
OS   Methanococcus maripaludis (strain C7 / ATCC BAA-1331).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanococcaceae; Methanococcus.
OX   NCBI_TaxID=426368;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=C7 / ATCC BAA-1331;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Clum A., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Anderson I., Sieprawska-Lupa M., Whitman W.B., Richardson P.;
RT   "Complete sequence of Methanococcus maripaludis C7.";
RL   Submitted (JUN-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: The alpha subunit is responsible for the aldol cleavage of
CC       indoleglycerol phosphate to indole and glyceraldehyde 3-phosphate.
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; CP000745; ABR65314.1; -; Genomic_DNA.
DR   RefSeq; WP_011976651.1; NC_009637.1.
DR   AlphaFoldDB; A6VFT8; -.
DR   SMR; A6VFT8; -.
DR   STRING; 426368.MmarC7_0244; -.
DR   PRIDE; A6VFT8; -.
DR   EnsemblBacteria; ABR65314; ABR65314; MmarC7_0244.
DR   GeneID; 5328804; -.
DR   KEGG; mmz:MmarC7_0244; -.
DR   eggNOG; arCOG01086; Archaea.
DR   HOGENOM; CLU_016734_0_2_2; -.
DR   OMA; LVMTYWN; -.
DR   OrthoDB; 65368at2157; -.
DR   UniPathway; UPA00035; UER00044.
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   Tryptophan biosynthesis.
FT   CHAIN           1..259
FT                   /note="Tryptophan synthase alpha chain"
FT                   /id="PRO_1000018229"
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   259 AA;  28513 MW;  19EC0A327A889AB8 CRC64;
     MNKPVLVSFL VSGDPNPDAT LKFMKALDKY SGVIELGIPF SDPVADGPTI QAADVRALSN
     GFKIAKSFEV LKEFRKESDT PVILMTYYNP VFKRGIETFV MQAKEAGANG LIIVDLPLQE
     ATEYREICKK HEMGTVFLAA PNTPEERLKI SDEASTEFLY LISTFGITGA RESFEQMTFD
     FIKRARTTCK GKICVGFGIS KGSHAESLIE QGADGVIVGS AFVDIIKNYG DSEEALVKLE
     ELAKELSEGI EKGYEKRNK
 
 
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