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TRPB_ROSDO
ID   TRPB_ROSDO              Reviewed;         410 AA.
AC   Q161H9;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   25-JUL-2006, sequence version 1.
DT   25-MAY-2022, entry version 94.
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=RD1_3906;
OS   Roseobacter denitrificans (strain ATCC 33942 / OCh 114) (Erythrobacter sp.
OS   (strain OCh 114)) (Roseobacter denitrificans).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Roseobacteraceae; Roseobacter.
OX   NCBI_TaxID=375451;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33942 / OCh 114;
RX   PubMed=17098896; DOI=10.1128/jb.01390-06;
RA   Swingley W.D., Sadekar S., Mastrian S.D., Matthies H.J., Hao J., Ramos H.,
RA   Acharya C.R., Conrad A.L., Taylor H.L., Dejesa L.C., Shah M.K.,
RA   O'Huallachain M.E., Lince M.T., Blankenship R.E., Beatty J.T.,
RA   Touchman J.W.;
RT   "The complete genome sequence of Roseobacter denitrificans reveals a
RT   mixotrophic rather than photosynthetic metabolism.";
RL   J. Bacteriol. 189:683-690(2007).
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; CP000362; ABG33364.1; -; Genomic_DNA.
DR   RefSeq; WP_011569975.1; NZ_FOOO01000010.1.
DR   AlphaFoldDB; Q161H9; -.
DR   SMR; Q161H9; -.
DR   STRING; 375451.RD1_3906; -.
DR   EnsemblBacteria; ABG33364; ABG33364; RD1_3906.
DR   KEGG; rde:RD1_3906; -.
DR   eggNOG; COG0133; Bacteria.
DR   HOGENOM; CLU_016734_3_1_5; -.
DR   OMA; HGMKSYF; -.
DR   OrthoDB; 912282at2; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000007029; 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; Reference proteome; Tryptophan biosynthesis.
FT   CHAIN           1..410
FT                   /note="Tryptophan synthase beta chain"
FT                   /id="PRO_1000018382"
FT   MOD_RES         98
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ   SEQUENCE   410 AA;  44672 MW;  D551D76C8089703F CRC64;
     MANDLFNSFM TGPDENGRFG DFGGRFVSET LMPLILELEE QYENAKTDES FWAEMNDLWT
     HYVGRPSPLY FAERLTDHLG GAKVYMKRDE LNHTGAHKIN NVLGQIILAR RMGKTRIIAE
     TGAGQHGVAT ATVCAKFGLK CVVYMGAHDV ERQAPNVFRM RLLGAEVVPV TSGRGTLKDA
     MNDALRDWVT NVRDTFYCIG TVAGPHPYPA MVRDFQAIIG KEVRTQMTAA EGRFPDTVIA
     AIGGGSNAMG LFYPFLDDKE VGIIGVEAGG KGVNAKMEHC ASLTGGRPGV LHGNRTYLLQ
     DDDGQILEGF SISAGLDYPG IGPEHAWLHD IGRAQYVSIT DVEALEAFQL CCELEGIIPA
     LEPSHALAHV MKIAPDLPSD HIICMNMCGR GDKDIFTVAK ALGFEMGEFA
 
 
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