TRPB_PSEPF
ID TRPB_PSEPF Reviewed; 410 AA.
AC Q3KK59;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 08-NOV-2005, sequence version 1.
DT 25-MAY-2022, entry version 107.
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=Pfl01_0103;
OS Pseudomonas fluorescens (strain Pf0-1).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=205922;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Pf0-1;
RX PubMed=19432983; DOI=10.1186/gb-2009-10-5-r51;
RA Silby M.W., Cerdeno-Tarraga A.M., Vernikos G.S., Giddens S.R.,
RA Jackson R.W., Preston G.M., Zhang X.-X., Moon C.D., Gehrig S.M.,
RA Godfrey S.A.C., Knight C.G., Malone J.G., Robinson Z., Spiers A.J.,
RA Harris S., Challis G.L., Yaxley A.M., Harris D., Seeger K., Murphy L.,
RA Rutter S., Squares R., Quail M.A., Saunders E., Mavromatis K.,
RA Brettin T.S., Bentley S.D., Hothersall J., Stephens E., Thomas C.M.,
RA Parkhill J., Levy S.B., Rainey P.B., Thomson N.R.;
RT "Genomic and genetic analyses of diversity and plant interactions of
RT Pseudomonas fluorescens.";
RL Genome Biol. 10:R51.1-R51.16(2009).
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; CP000094; ABA71847.1; -; Genomic_DNA.
DR RefSeq; WP_011331822.1; NC_007492.2.
DR AlphaFoldDB; Q3KK59; -.
DR SMR; Q3KK59; -.
DR STRING; 205922.Pfl01_0103; -.
DR PRIDE; Q3KK59; -.
DR EnsemblBacteria; ABA71847; ABA71847; Pfl01_0103.
DR KEGG; pfo:Pfl01_0103; -.
DR eggNOG; COG0133; Bacteria.
DR HOGENOM; CLU_016734_3_1_6; -.
DR OMA; GPEHAMF; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000002704; 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..410
FT /note="Tryptophan synthase beta chain"
FT /id="PRO_1000057864"
FT MOD_RES 99
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ SEQUENCE 410 AA; 44646 MW; 0F40BF573E96B978 CRC64;
MTQTSNNSDL RNGPDANGLF GSFGGRYVAE TLMPLILDLA REYEAAKEDP AFKEELAYFQ
RDYVGRPSPL YFAERLTEFC GGAKIYLKRE ELNHTGAHKI NNCIGQILLA RRMGKKRIIA
ETGAGMHGVA TATVAARFGL DCVIYMGTTD IERQQANVFR MKLLGAEVIP VVAGTGTLKD
AMNEALRDWV TNVDSTFYLI GTVAGPHPYP AMVRDFQAVI GKETRDQLQA QEGRLPDSLV
ACIGGGSNAM GLFHPFLDDK SVEIIGVEAA GYGIETGKHA ASLNGGVPGV LHGNRTFLLQ
DDDGQIIDAH SISAGLDYPG IGPEHAWLHD IGRVQYTSVT DDEALAAFHQ CCRLEGIIPA
LESAHALAEV FKRAPKLPKD HLMVVNLSGR GDKDMQTVMH HMETSKQEKH