TRPB_STAAC
ID TRPB_STAAC Reviewed; 404 AA.
AC Q5HG47;
DT 19-JUL-2005, integrated into UniProtKB/Swiss-Prot.
DT 15-FEB-2005, sequence version 1.
DT 25-MAY-2022, entry version 102.
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=SACOL1408;
OS Staphylococcus aureus (strain COL).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC Staphylococcus.
OX NCBI_TaxID=93062;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=COL;
RX PubMed=15774886; DOI=10.1128/jb.187.7.2426-2438.2005;
RA Gill S.R., Fouts D.E., Archer G.L., Mongodin E.F., DeBoy R.T., Ravel J.,
RA Paulsen I.T., Kolonay J.F., Brinkac L.M., Beanan M.J., Dodson R.J.,
RA Daugherty S.C., Madupu R., Angiuoli S.V., Durkin A.S., Haft D.H.,
RA Vamathevan J.J., Khouri H., Utterback T.R., Lee C., Dimitrov G., Jiang L.,
RA Qin H., Weidman J., Tran K., Kang K.H., Hance I.R., Nelson K.E.,
RA Fraser C.M.;
RT "Insights on evolution of virulence and resistance from the complete genome
RT analysis of an early methicillin-resistant Staphylococcus aureus strain and
RT a biofilm-producing methicillin-resistant Staphylococcus epidermidis
RT strain.";
RL J. Bacteriol. 187:2426-2438(2005).
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; CP000046; AAW36656.1; -; Genomic_DNA.
DR RefSeq; WP_001041337.1; NC_002951.2.
DR AlphaFoldDB; Q5HG47; -.
DR SMR; Q5HG47; -.
DR EnsemblBacteria; AAW36656; AAW36656; SACOL1408.
DR KEGG; sac:SACOL1408; -.
DR HOGENOM; CLU_016734_3_1_9; -.
DR OMA; HGMKSYF; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000000530; 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..404
FT /note="Tryptophan synthase beta chain"
FT /id="PRO_0000098997"
FT MOD_RES 94
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00133"
SQ SEQUENCE 404 AA; 43965 MW; 5DD7414223101237 CRC64;
MNKQIQTEAD ELGFFGEYGG QYVPETLMPA IIELKKAYKE AKADPEFQRE LEYYLSEYVG
RATPLTYAAS YTESLGGAKI YLKREDLNHT GAHKINNALG QALLAKRMGK KKLVAETGAG
QHGVASATVA ALFDMELVVF MGSEDIKRQQ LNVFRMELLG AKVVAVEDGQ GTLSDAVNKA
LQYWVSHVDD THYLLGSALG PDPFPTIVRD FQSVIGKEIK SQILKKEGRL PDAIVACIGG
GSNAIGTFYP FIKDDVALYG VEAAGQGDDT DKHALAIGKG SPGVLHGTKM YLIQDEDGQV
QLAHSISAGL DYPGIGPEHS YYHDIGRVTF ENASDTQAMN ALINFTKHEG IIPAIESAHA
LSYVERLAPT MSKEDIIVVT ISGRGDKDME TIRQYMVERG LAND