ID   TRPA_BRUC2              Reviewed;         279 AA.
AC   A9M9U0;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-FEB-2008, sequence version 1.
DT   25-MAY-2022, entry version 67.
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=BCAN_A2152;
OS   Brucella canis (strain ATCC 23365 / NCTC 10854).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX   NCBI_TaxID=483179;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 23365 / NCTC 10854;
RA   Setubal J.C., Bowns C., Boyle S., Crasta O.R., Czar M.J., Dharmanolla C.,
RA   Gillespie J.J., Kenyon R.W., Lu J., Mane S., Mohapatra S., Nagrani S.,
RA   Purkayastha A., Rajasimha H.K., Shallom J.M., Shallom S., Shukla M.,
RA   Snyder E.E., Sobral B.W., Wattam A.R., Will R., Williams K., Yoo H.,
RA   Bruce D., Detter C., Munk C., Brettin T.S.;
RT   "Brucella canis ATCC 23365 whole genome shotgun sequencing project.";
RL   Submitted (OCT-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       {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; CP000872; ABX63135.1; -; Genomic_DNA.
DR   RefSeq; WP_004687772.1; NC_010103.1.
DR   AlphaFoldDB; A9M9U0; -.
DR   SMR; A9M9U0; -.
DR   EnsemblBacteria; ABX63135; ABX63135; BCAN_A2152.
DR   GeneID; 45053033; -.
DR   GeneID; 55591674; -.
DR   KEGG; bcs:BCAN_A2152; -.
DR   HOGENOM; CLU_016734_0_0_5; -.
DR   OMA; LVMTYWN; -.
DR   PhylomeDB; A9M9U0; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000001385; Chromosome I.
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..279
FT                   /note="Tryptophan synthase alpha chain"
FT                   /id="PRO_1000076346"
FT   ACT_SITE        50
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00131"
FT   ACT_SITE        61
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00131"
SQ   SEQUENCE   279 AA;  29456 MW;  06116DB9EFEAE789 CRC64;
     MTTRIDTKFA ELKAEGRPAL VTYFMGGDPD LETALKVMKA LPKAGADVIE LGMPFSDPMA
     DGPAIQAAGL RALNAGQTLA KTLYMAAEFR KEDDTTPIVM MGYYNPIYVY GVERFLTDAK
     ASGVDGLIVV DLPSEMDAEL CIPAMKAGIN FIRLTTPTTD DKRLPKVLHN SSGFVYYVSM
     NGITGAAIAD TAKVGEAVRH IKKSTDLPIC VGFGVKTPEQ AAAIATHADG VVVGTAIVNA
     IAGELDEKGK VKGDPVAAAT RLVHALAESV RATRLEAAQ