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TRPB_CLOAB
ID   TRPB_CLOAB              Reviewed;         394 AA.
AC   Q97EF5;
DT   19-OCT-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2001, sequence version 1.
DT   25-MAY-2022, entry version 115.
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=CA_C3158;
OS   Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710
OS   / VKM B-1787).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=272562;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787;
RX   PubMed=11466286; DOI=10.1128/jb.183.16.4823-4838.2001;
RA   Noelling J., Breton G., Omelchenko M.V., Makarova K.S., Zeng Q., Gibson R.,
RA   Lee H.M., Dubois J., Qiu D., Hitti J., Wolf Y.I., Tatusov R.L., Sabathe F.,
RA   Doucette-Stamm L.A., Soucaille P., Daly M.J., Bennett G.N., Koonin E.V.,
RA   Smith D.R.;
RT   "Genome sequence and comparative analysis of the solvent-producing
RT   bacterium Clostridium acetobutylicum.";
RL   J. Bacteriol. 183:4823-4838(2001).
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; AE001437; AAK81095.1; -; Genomic_DNA.
DR   PIR; D97288; D97288.
DR   RefSeq; NP_349755.1; NC_003030.1.
DR   RefSeq; WP_010966435.1; NC_003030.1.
DR   AlphaFoldDB; Q97EF5; -.
DR   SMR; Q97EF5; -.
DR   STRING; 272562.CA_C3158; -.
DR   EnsemblBacteria; AAK81095; AAK81095; CA_C3158.
DR   GeneID; 44999646; -.
DR   KEGG; cac:CA_C3158; -.
DR   PATRIC; fig|272562.8.peg.3339; -.
DR   eggNOG; COG0133; Bacteria.
DR   HOGENOM; CLU_016734_3_1_9; -.
DR   OMA; HGMKSYF; -.
DR   OrthoDB; 912282at2; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000000814; 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..394
FT                   /note="Tryptophan synthase beta chain"
FT                   /id="PRO_0000098943"
FT   MOD_RES         84
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ   SEQUENCE   394 AA;  43134 MW;  D6D2BB7DCE73731B CRC64;
     MNGRFGKFGG QYVPETLMNA INELEVEFNK AINDEKFMME YKYYLEKYVG RETPLYFAEN
     MTKNLGGAKI YLKREDLNHT GSHKLNNALG QVLLAKRMGK KRVIAETGAG QHGVATATAA
     ALFGLECEVF MGAEDVERQA LNVFRMKILG AKVNSVKSGT NTLKDAINAA MRDWVTNIDN
     TYYVIGSVMG PHPYPTIVKD FQKIIGEEAR KQILKAEGRL PDYVVACVGG GSNSMGIFYP
     FIKDEGVKLI GVEAAGLGID TPMHAATLTK GSVGIIHGMM TYVLQDEDGQ ITPAYSVSAG
     LDYPGVGPQH SYLKEKERAS YEAVTDKEAL KAFLYLSEKE GIIPALESSH AVAYAMKLAP
     SLSKDEIVII NLSGRGDKDV NTVMKNMEEN KNGK
 
 
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