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TRPB_LEGPA
ID   TRPB_LEGPA              Reviewed;         399 AA.
AC   Q5X5Q2;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   25-MAY-2022, entry version 103.
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=lpp1268;
OS   Legionella pneumophila (strain Paris).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales;
OC   Legionellaceae; Legionella.
OX   NCBI_TaxID=297246;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Paris;
RX   PubMed=15467720; DOI=10.1038/ng1447;
RA   Cazalet C., Rusniok C., Brueggemann H., Zidane N., Magnier A., Ma L.,
RA   Tichit M., Jarraud S., Bouchier C., Vandenesch F., Kunst F., Etienne J.,
RA   Glaser P., Buchrieser C.;
RT   "Evidence in the Legionella pneumophila genome for exploitation of host
RT   cell functions and high genome plasticity.";
RL   Nat. Genet. 36:1165-1173(2004).
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; CR628336; CAH12419.1; -; Genomic_DNA.
DR   RefSeq; WP_011213615.1; NC_006368.1.
DR   AlphaFoldDB; Q5X5Q2; -.
DR   SMR; Q5X5Q2; -.
DR   KEGG; lpp:lpp1268; -.
DR   LegioList; lpp1268; -.
DR   HOGENOM; CLU_016734_3_1_6; -.
DR   OMA; HGMKSYF; -.
DR   UniPathway; UPA00035; UER00044.
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..399
FT                   /note="Tryptophan synthase beta chain"
FT                   /id="PRO_1000076392"
FT   MOD_RES         92
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ   SEQUENCE   399 AA;  43301 MW;  25720A677000BAA0 CRC64;
     MIKKELPDEF GHFGPYGGMF VADTLVHALK QLEHAYTKYR NDQDFLSELH TELKDYVGRP
     NPLYHAVHLS KKIGGAQIYL KREDLNHTGA HKINNTIGQA LLAKRMGKTR VIAETGAGQH
     GVATATVAAK FGFQCVVYMG SEDIKRQSSN VYRMKLLGAE VVPVTSGSKT LKDALNEALR
     DWVSHVDDTF YIIGTVAGPH PYPQMVRDFQ AIIGVEARAQ HMEKTGRLPD ALVACVGGGS
     NAIGLFYPFL NDQSVMIYGV EAGGKGIETG EHSASLIAGK PGVLHGNRTY LLCDEYGQVK
     DTHSVSAGLD YPGVGPEHAY LKDTGRVIYK AINDSEALDA FRLLTHTEGI IPALESSHAV
     AYAIQLAKTM SKEQSIIVNL SGRGDKDMHT VAAIDGITI
 
 
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