ID   TRPB_ACIF5              Reviewed;         399 AA.
AC   B5EK18;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   14-OCT-2008, sequence version 1.
DT   03-AUG-2022, entry version 72.
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=Lferr_1727;
OS   Acidithiobacillus ferrooxidans (strain ATCC 53993 / BNL-5-31)
OS   (Leptospirillum ferrooxidans (ATCC 53993)).
OC   Bacteria; Proteobacteria; Acidithiobacillia; Acidithiobacillales;
OC   Acidithiobacillaceae; Acidithiobacillus.
OX   NCBI_TaxID=380394;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 53993 / BNL-5-31;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Sims D., Brettin T., Detter J.C., Han C.,
RA   Kuske C.R., Larimer F., Land M., Hauser L., Kyrpides N., Lykidis A.,
RA   Borole A.P.;
RT   "Complete sequence of Acidithiobacillus ferrooxidans ATCC 53993.";
RL   Submitted (AUG-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; CP001132; ACH83949.1; -; Genomic_DNA.
DR   RefSeq; WP_012536947.1; NC_011206.1.
DR   AlphaFoldDB; B5EK18; -.
DR   SMR; B5EK18; -.
DR   PRIDE; B5EK18; -.
DR   GeneID; 66432836; -.
DR   KEGG; afe:Lferr_1727; -.
DR   eggNOG; COG0133; Bacteria.
DR   HOGENOM; CLU_016734_3_1_6; -.
DR   OMA; HGMKSYF; -.
DR   UniPathway; UPA00035; UER00044.
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..399
FT                   /note="Tryptophan synthase beta chain"
FT                   /id="PRO_1000095770"
FT   MOD_RES         92
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ   SEQUENCE   399 AA;  43287 MW;  37E922CA2B93AD41 CRC64;
     MGTYALPDAF GHYGPYGGRF VAETLIPALE ELERAYQEAQ RDPEFRAELH SELRQFVGRP
     NPLYHAGRLS RELGGAQIYL KREDLNHTGA HKINNAVGQA LLARRMGKKR VIAETGAGQH
     GVATATVATR YGMECLVYMG EEDIQRQSSN VFRMRLLGAQ VTAVSSGTRT LKDALNEALR
     DWVTNVESTF YVIGTVAGPH PYPVMVRDFH RVIGDEARAQ CLELTGRLPD CLIACVGGGS
     NAIGLFYPFI EDRAVRMIGV EAGGLGLGTG QHAAPLTTGR PGVLHGNRTY LMEDEDGQIL
     PTHSISAGLD YPGVGPEHAY LKDTGRAEYV AATDEEALAA FHRLCRTEGI IPALESAHAL
     AHAFRLAPTM RSDQTIIVNL SGRGDKDIHT VAALEGIHL