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TRPB_SALPC
ID   TRPB_SALPC              Reviewed;         397 AA.
AC   C0Q3N4;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-MAY-2009, sequence version 1.
DT   25-MAY-2022, entry version 63.
DE   RecName: Full=Tryptophan synthase beta chain {ECO:0000255|HAMAP-Rule:MF_00133};
DE            EC=4.2.1.20 {ECO:0000255|HAMAP-Rule:MF_00133};
GN   Name=trpB {ECO:0000255|HAMAP-Rule:MF_00133}; OrderedLocusNames=SPC_2003;
OS   Salmonella paratyphi C (strain RKS4594).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=476213;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RKS4594;
RX   PubMed=19229335; DOI=10.1371/journal.pone.0004510;
RA   Liu W.-Q., Feng Y., Wang Y., Zou Q.-H., Chen F., Guo J.-T., Peng Y.-H.,
RA   Jin Y., Li Y.-G., Hu S.-N., Johnston R.N., Liu G.-R., Liu S.-L.;
RT   "Salmonella paratyphi C: genetic divergence from Salmonella choleraesuis
RT   and pathogenic convergence with Salmonella typhi.";
RL   PLoS ONE 4:E4510-E4510(2009).
CC   -!- FUNCTION: The beta subunit is responsible for the synthesis of L-
CC       tryptophan from indole and L-serine. {ECO:0000255|HAMAP-Rule:MF_00133}.
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_00133};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00133};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-tryptophan biosynthesis; L-
CC       tryptophan from chorismate: step 5/5. {ECO:0000255|HAMAP-
CC       Rule:MF_00133}.
CC   -!- SUBUNIT: Tetramer of two alpha and two beta chains. {ECO:0000255|HAMAP-
CC       Rule:MF_00133}.
CC   -!- SIMILARITY: Belongs to the TrpB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00133}.
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DR   EMBL; CP000857; ACN46139.1; -; Genomic_DNA.
DR   RefSeq; WP_000209485.1; NC_012125.1.
DR   AlphaFoldDB; C0Q3N4; -.
DR   SMR; C0Q3N4; -.
DR   EnsemblBacteria; ACN46139; ACN46139; SPC_2003.
DR   KEGG; sei:SPC_2003; -.
DR   HOGENOM; CLU_016734_3_1_6; -.
DR   OMA; HGMKSYF; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000001599; Chromosome.
DR   GO; GO:0004834; F:tryptophan synthase activity; IEA:UniProtKB-UniRule.
DR   CDD; cd06446; Trp-synth_B; 1.
DR   Gene3D; 3.40.50.1100; -; 2.
DR   HAMAP; MF_00133; Trp_synth_beta; 1.
DR   InterPro; IPR001926; PLP-dep.
DR   InterPro; IPR006653; Trp_synth_b_CS.
DR   InterPro; IPR006654; Trp_synth_beta.
DR   InterPro; IPR023026; Trp_synth_beta/beta-like.
DR   InterPro; IPR036052; Trypto_synt_PLP_dependent.
DR   Pfam; PF00291; PALP; 1.
DR   PIRSF; PIRSF001413; Trp_syn_beta; 1.
DR   SUPFAM; SSF53686; SSF53686; 1.
DR   TIGRFAMs; TIGR00263; trpB; 1.
DR   PROSITE; PS00168; TRP_SYNTHASE_BETA; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Aromatic amino acid biosynthesis; Lyase;
KW   Pyridoxal phosphate; Tryptophan biosynthesis.
FT   CHAIN           1..397
FT                   /note="Tryptophan synthase beta chain"
FT                   /id="PRO_1000198753"
FT   MOD_RES         87
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ   SEQUENCE   397 AA;  42868 MW;  73D210F5C6F2FEBD CRC64;
     MTTLLNPYFG EFGGMYVPQI LMPALNQLEE AFVSAQKDPE FQAQFADLLK NYAGRPTALT
     KCQNITAGTR TTLYLKREDL LHGGAHKTNQ VLGQALLAKR MGKSEIIAET GAGQHGVASA
     LASALLGLKC RIYMGAKDVE RQSPNVFRMR LMGAEVIPVH SGSATLKDAC NEALRDWSGS
     YETAHYMLGT AAGPHPYPTI VREFQRMIGE ETKAQILDKE GRLPDAVIAC VGGGSNAIGM
     FADFINDTSV GLIGVEPGGH GIETGEHGAP LKHGRVGIYF GMKAPMMQTA DGQIEESYSI
     SAGLDFPSVG PQHAYLNSIG RADYVSITDD EALEAFKTLC RHEGIIPALE SSHALAHALK
     MMREQPEKEQ LLVVNLSGRG DKDIFTVHDI LKARGEI
 
 
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