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TRPB_XANOP
ID   TRPB_XANOP              Reviewed;         405 AA.
AC   B2SVN7;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-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=PXO_01270;
OS   Xanthomonas oryzae pv. oryzae (strain PXO99A).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=360094;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PXO99A;
RX   PubMed=18452608; DOI=10.1186/1471-2164-9-204;
RA   Salzberg S.L., Sommer D.D., Schatz M.C., Phillippy A.M., Rabinowicz P.D.,
RA   Tsuge S., Furutani A., Ochiai H., Delcher A.L., Kelley D., Madupu R.,
RA   Puiu D., Radune D., Shumway M., Trapnell C., Aparna G., Jha G., Pandey A.,
RA   Patil P.B., Ishihara H., Meyer D.F., Szurek B., Verdier V., Koebnik R.,
RA   Dow J.M., Ryan R.P., Hirata H., Tsuyumu S., Won Lee S., Seo Y.-S.,
RA   Sriariyanum M., Ronald P.C., Sonti R.V., Van Sluys M.-A., Leach J.E.,
RA   White F.F., Bogdanove A.J.;
RT   "Genome sequence and rapid evolution of the rice pathogen Xanthomonas
RT   oryzae pv. oryzae PXO99A.";
RL   BMC Genomics 9:204-204(2008).
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; CP000967; ACD60111.1; -; Genomic_DNA.
DR   RefSeq; WP_012445544.1; NC_010717.2.
DR   AlphaFoldDB; B2SVN7; -.
DR   SMR; B2SVN7; -.
DR   STRING; 360094.PXO_01270; -.
DR   EnsemblBacteria; ACD60111; ACD60111; PXO_01270.
DR   KEGG; xop:PXO_01270; -.
DR   eggNOG; COG0133; Bacteria.
DR   HOGENOM; CLU_016734_3_1_6; -.
DR   OMA; HGMKSYF; -.
DR   OrthoDB; 912282at2; -.
DR   UniPathway; UPA00035; UER00044.
DR   Proteomes; UP000001740; 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..405
FT                   /note="Tryptophan synthase beta chain"
FT                   /id="PRO_1000095838"
FT   MOD_RES         98
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ   SEQUENCE   405 AA;  43106 MW;  BFBFD86CC715263F CRC64;
     MSAQPISDFY AYPDAAGHFG KFGGRFVAET LIGPLQELSA AYDQARQDPS FIAEYDKDLK
     HYVGRPSPIY HAERLSREVG GAQILLKRED LNHTGAHKIN NTIGQALLAS RMGKTRIIAE
     TGAGQHGVAS ATVAARLGLE CLVYMGATDI ERQKINVYRM KLLGATVIPV TSGSATLKDA
     LNEAMRDWVT NVRDTFYIIG TVAGPDPYPR MVRDFNAIVG REARAQMLED YGRLPDAISA
     CVGGGSNAIG LFHAFLNDPG VKIYGAEAAG DGIATGRHAA SIAAGRPGVL HGNRTYVICD
     DDGQITETHS ISAGLDYPGV GPEHAFLSDS GRAVYQGITD DEAMAAFHLL AHTEGILAAL
     ESSHAVAQSI KLARELPKDA LVLCNLSGRG DKDVHTIAAR EGLAL
 
 
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