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TRPB_LEPCP
ID   TRPB_LEPCP              Reviewed;         428 AA.
AC   B1XY48;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   25-MAY-2022, entry version 79.
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=Lcho_1682;
OS   Leptothrix cholodnii (strain ATCC 51168 / LMG 8142 / SP-6) (Leptothrix
OS   discophora (strain SP-6)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Leptothrix.
OX   NCBI_TaxID=395495;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51168 / LMG 8142 / SP-6;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA   Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Lykidis A., Emerson D., Richardson P.;
RT   "Complete sequence of Leptothrix cholodnii SP-6.";
RL   Submitted (MAR-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001013; ACB33949.1; -; Genomic_DNA.
DR   RefSeq; WP_012346710.1; NC_010524.1.
DR   AlphaFoldDB; B1XY48; -.
DR   SMR; B1XY48; -.
DR   STRING; 395495.Lcho_1682; -.
DR   EnsemblBacteria; ACB33949; ACB33949; Lcho_1682.
DR   KEGG; lch:Lcho_1682; -.
DR   eggNOG; COG0133; Bacteria.
DR   HOGENOM; CLU_016734_3_1_4; -.
DR   OMA; HGMKSYF; -.
DR   OrthoDB; 912282at2; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000001693; 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..428
FT                   /note="Tryptophan synthase beta chain"
FT                   /id="PRO_1000095797"
FT   MOD_RES         92
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ   SEQUENCE   428 AA;  46286 MW;  BBA1BC9FE7A82783 CRC64;
     MFDYQQPDAR GHFGIYGGSF VAETLSHALD ELNAAYERYR HDPEFIAEFR NELAHFVGRP
     SPVYHAARMS REVGGAQIYL KREDLNHTGA HKINNTIGQA LLARRMGKPR VIAETGAGQH
     GVATATICAR YGMECVVYMG SEDVKRQSPN VYRMNLLGAR VVPVESGSKT LKDALNEAMR
     DWVTNVENTF YIIGTVAGPH PYPAMVRDFQ RVIGDECLVQ MPALAGRQPD AVVACVGGGS
     NAMGIFYPYI PHEGVRLIGV EAAGEGMESG KHSASLQRGS PGVLHGNRTY VLQDANGQIT
     ETHSVSAGLD YPGVGPEHAY LKDIGRAEYV GITDAEALQA FHYLCRAEGI IPALESSHAV
     AYAMKLAKTM RPDQHVLVNL SGRGDKDIGT VADLSGADFY CRPSCRGQSV KGGDPSVVEI
     QRKAGGVQ
 
 
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