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TRPB_BRUA1
ID   TRPB_BRUA1              Reviewed;         406 AA.
AC   B2S9A5;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   25-MAY-2022, entry version 75.
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};
GN   OrderedLocusNames=BAbS19_I19750;
OS   Brucella abortus (strain S19).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX   NCBI_TaxID=430066;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=S19;
RX   PubMed=18478107; DOI=10.1371/journal.pone.0002193;
RA   Crasta O.R., Folkerts O., Fei Z., Mane S.P., Evans C., Martino-Catt S.,
RA   Bricker B., Yu G., Du L., Sobral B.W.;
RT   "Genome sequence of Brucella abortus vaccine strain S19 compared to
RT   virulent strains yields candidate virulence genes.";
RL   PLoS ONE 3:E2193-E2193(2008).
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; CP000887; ACD73457.1; -; Genomic_DNA.
DR   RefSeq; WP_002965174.1; NC_010742.1.
DR   AlphaFoldDB; B2S9A5; -.
DR   SMR; B2S9A5; -.
DR   EnsemblBacteria; ACD73457; ACD73457; BAbS19_I19750.
DR   GeneID; 3788542; -.
DR   KEGG; bmc:BAbS19_I19750; -.
DR   HOGENOM; CLU_016734_3_1_5; -.
DR   OMA; HGMKSYF; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000002565; Chromosome 1.
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..406
FT                   /note="Tryptophan synthase beta chain"
FT                   /id="PRO_1000095781"
FT   MOD_RES         99
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ   SEQUENCE   406 AA;  43567 MW;  CBF39C5E6A8CA037 CRC64;
     MNKPVAPNSY KTGPDEEGMF GIFGGRFVAE TLMPLILELQ QAYETARNDP EFKAELNALS
     TFYAGRPSKL YYAEGLSKHL GGAKIYFKRE DLNHTGSHKI NNCLGQILLA KRMGKTRIIA
     ETGAGQHGVA SATVAARFGL PCIVYVGATD VERQKPNVFR MKLLGAEVKP VSAGNGTLKD
     AMNEALRDWV TNVEDTYYLI GTAAGPHPYP ELVRDFQSVI GTEARQQILE QEGRLPDVIV
     AAVGGGSNAI GLFHPFLDDA SVKIVGVEAG GRGLEGEEHC ASMSAGRPGV LHGNRTYLLQ
     NADGQILEGH SVSAGLDYPG VGPEHSWLKD SGRVDYVPIL DNEALDAFQL CTRTEGIIPA
     LESAHAIAQA VKMAPTMGKD KVMIVNLSGR GDKDVHTVGK LLGMDI
 
 
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