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TRPA_SHIFL
ID   TRPA_SHIFL              Reviewed;         268 AA.
AC   P0A878; P00928; Q47669;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   25-MAY-2022, entry version 105.
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};
GN   OrderedLocusNames=SF1263, S1349;
OS   Shigella flexneri.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=623;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=301 / Serotype 2a;
RX   PubMed=12384590; DOI=10.1093/nar/gkf566;
RA   Jin Q., Yuan Z., Xu J., Wang Y., Shen Y., Lu W., Wang J., Liu H., Yang J.,
RA   Yang F., Zhang X., Zhang J., Yang G., Wu H., Qu D., Dong J., Sun L.,
RA   Xue Y., Zhao A., Gao Y., Zhu J., Kan B., Ding K., Chen S., Cheng H.,
RA   Yao Z., He B., Chen R., Ma D., Qiang B., Wen Y., Hou Y., Yu J.;
RT   "Genome sequence of Shigella flexneri 2a: insights into pathogenicity
RT   through comparison with genomes of Escherichia coli K12 and O157.";
RL   Nucleic Acids Res. 30:4432-4441(2002).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700930 / 2457T / Serotype 2a;
RX   PubMed=12704152; DOI=10.1128/iai.71.5.2775-2786.2003;
RA   Wei J., Goldberg M.B., Burland V., Venkatesan M.M., Deng W., Fournier G.,
RA   Mayhew G.F., Plunkett G. III, Rose D.J., Darling A., Mau B., Perna N.T.,
RA   Payne S.M., Runyen-Janecky L.J., Zhou S., Schwartz D.C., Blattner F.R.;
RT   "Complete genome sequence and comparative genomics of Shigella flexneri
RT   serotype 2a strain 2457T.";
RL   Infect. Immun. 71:2775-2786(2003).
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; AE005674; AAN42876.1; -; Genomic_DNA.
DR   EMBL; AE014073; AAP16761.1; -; Genomic_DNA.
DR   RefSeq; NP_707169.1; NC_004337.2.
DR   RefSeq; WP_000443067.1; NZ_WPGW01000009.1.
DR   AlphaFoldDB; P0A878; -.
DR   SMR; P0A878; -.
DR   STRING; 198214.SF1263; -.
DR   EnsemblBacteria; AAN42876; AAN42876; SF1263.
DR   EnsemblBacteria; AAP16761; AAP16761; S1349.
DR   GeneID; 1024231; -.
DR   GeneID; 58388661; -.
DR   KEGG; sfl:SF1263; -.
DR   KEGG; sfx:S1349; -.
DR   PATRIC; fig|198214.7.peg.1483; -.
DR   HOGENOM; CLU_016734_0_4_6; -.
DR   OMA; LVMTYWN; -.
DR   OrthoDB; 912786at2; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000001006; Chromosome.
DR   Proteomes; UP000002673; 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..268
FT                   /note="Tryptophan synthase alpha chain"
FT                   /id="PRO_0000098841"
FT   ACT_SITE        49
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00131"
FT   ACT_SITE        60
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00131"
SQ   SEQUENCE   268 AA;  28724 MW;  028223DB2B666CC6 CRC64;
     MERYESLFAQ LKERKEGAFV PFVTLGDPGI EQSLKIIDTL IEAGADALEL GIPFSDPLAD
     GPTIQNATLR AFAAGVTPAQ CFEMLALIRQ KHPTIPIGLL MYANLVFNKG IDEFYAQCEK
     VGVDSVLVAD VPVEESAPFR QAALRHNVAP IFICPPNADD DLLRQIASYG RGYTYLLSRA
     GVTGAENRAA LPLNHLVAKL KEYNAAPPLQ GFGISAPDQV KAAIDAGAAG AISGSAIVKI
     IEQHINEPEK MLAALKVFVQ PMKAATRS
 
 
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