ID   TRPB_SODGM              Reviewed;         396 AA.
AC   Q2NT52;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   03-AUG-2022, entry version 98.
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=SG1398;
OS   Sodalis glossinidius (strain morsitans).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Bruguierivoracaceae; Sodalis.
OX   NCBI_TaxID=343509;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=morsitans;
RX   PubMed=16365377; DOI=10.1101/gr.4106106;
RA   Toh H., Weiss B.L., Perkin S.A.H., Yamashita A., Oshima K., Hattori M.,
RA   Aksoy S.;
RT   "Massive genome erosion and functional adaptations provide insights into
RT   the symbiotic lifestyle of Sodalis glossinidius in the tsetse host.";
RL   Genome Res. 16:149-156(2006).
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; AP008232; BAE74673.1; -; Genomic_DNA.
DR   RefSeq; WP_011411218.1; NZ_LN854557.1.
DR   AlphaFoldDB; Q2NT52; -.
DR   SMR; Q2NT52; -.
DR   STRING; 343509.SG1398; -.
DR   EnsemblBacteria; BAE74673; BAE74673; SG1398.
DR   KEGG; sgl:SG1398; -.
DR   eggNOG; COG0133; Bacteria.
DR   HOGENOM; CLU_016734_3_1_6; -.
DR   OMA; HGMKSYF; -.
DR   OrthoDB; 912282at2; -.
DR   BioCyc; SGLO343509:SGP1_RS12315-MON; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000001932; 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..396
FT                   /note="Tryptophan synthase beta chain"
FT                   /id="PRO_1000018403"
FT   MOD_RES         86
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ   SEQUENCE   396 AA;  43187 MW;  2FCA6CADD9C60AB4 CRC64;
     MTRLNPYFGE FGGMYVPQIL MPALIQLEDA FVSAQSDPAF QAEFSDLLTN YAGRPTPLTL
     CRNLTAGTRT KLYLKREDLL HGGAHKTNQV LGQALLAKRM GKTEIIAETG AGQHGVASAL
     SSALLGLKCR IYMGAKDIER QSPNVFRMRL MGAEVIPVHS GSSTLKDACN EALRDWSDSY
     ERAHYMLGTA AGPHPFPTIV REFQRMIGEE TRAQLQEHEQ RLPDAVIACV GGGSNAIGMF
     ADFIDEPAVR LIGVEPGGLG IETRQHGASL KHGRTGIYFG MKSPMMQSAE GQIEESYSIS
     AGLDFPSVGP QHAYLDSIGR AEYISATDEE ALDAFRRLSR HEGIIPALES SHALAHALRM
     IQAEPEKEQI LVVNLSGRGD KDIFTVHDIL KARGDI