ID G2ZW74_9RALS Unreviewed; 265 AA.
AC G2ZW74;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 24-JAN-2024, entry version 54.
DE RecName: Full=Tryptophan synthase alpha chain {ECO:0000256|HAMAP-Rule:MF_00131};
DE EC=4.2.1.20 {ECO:0000256|HAMAP-Rule:MF_00131};
GN Name=trpA {ECO:0000256|HAMAP-Rule:MF_00131,
GN ECO:0000313|EMBL:CCA83369.1};
GN ORFNames=BDB_mp60535 {ECO:0000313|EMBL:CCA83369.1};
OS blood disease bacterium R229.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Ralstonia.
OX NCBI_TaxID=741978 {ECO:0000313|EMBL:CCA83369.1};
RN [1] {ECO:0000313|EMBL:CCA83369.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=R229 {ECO:0000313|EMBL:CCA83369.1};
RX PubMed=21931687; DOI=10.1371/journal.pone.0024356;
RA Remenant B., de Cambiaire J.C., Cellier G., Jacobs J.M., Mangenot S.,
RA Barbe V., Lajus A., Vallenet D., Medigue C., Fegan M., Allen C., Prior P.;
RT "Ralstonia syzygii, the Blood Disease Bacterium and some Asian R.
RT solanacearum strains form a single genomic species despite divergent
RT lifestyles.";
RL PLoS ONE 6:e24356-e24356(2011).
RN [2] {ECO:0000313|EMBL:CCA83369.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=R229 {ECO:0000313|EMBL:CCA83369.1};
RA Genoscope - CEA;
RL Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: The alpha subunit is responsible for the aldol cleavage of
CC indoleglycerol phosphate to indole and glyceraldehyde 3-phosphate.
CC {ECO:0000256|HAMAP-Rule:MF_00131}.
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:0000256|ARBA:ARBA00000003, ECO:0000256|HAMAP-
CC Rule:MF_00131};
CC -!- PATHWAY: Amino-acid biosynthesis; L-tryptophan biosynthesis; L-
CC tryptophan from chorismate: step 5/5. {ECO:0000256|ARBA:ARBA00004733,
CC ECO:0000256|HAMAP-Rule:MF_00131}.
CC -!- SUBUNIT: Tetramer of two alpha and two beta chains.
CC {ECO:0000256|ARBA:ARBA00011270, ECO:0000256|HAMAP-Rule:MF_00131}.
CC -!- SIMILARITY: Belongs to the TrpA family. {ECO:0000256|HAMAP-
CC Rule:MF_00131, ECO:0000256|RuleBase:RU003662}.
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DR EMBL; FR854082; CCA83369.1; -; Genomic_DNA.
DR AlphaFoldDB; G2ZW74; -.
DR UniPathway; UPA00035; UER00044.
DR GO; GO:0004834; F:tryptophan synthase activity; IEA:UniProtKB-UniRule.
DR CDD; cd04724; Tryptophan_synthase_alpha; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR HAMAP; MF_00131; Trp_synth_alpha; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR011060; RibuloseP-bd_barrel.
DR InterPro; IPR018204; Trp_synthase_alpha_AS.
DR InterPro; IPR002028; Trp_synthase_suA.
DR NCBIfam; TIGR00262; trpA; 1.
DR PANTHER; PTHR43406:SF1; TRYPTOPHAN SYNTHASE ALPHA CHAIN, CHLOROPLASTIC; 1.
DR PANTHER; PTHR43406; TRYPTOPHAN SYNTHASE, ALPHA CHAIN; 1.
DR Pfam; PF00290; Trp_syntA; 1.
DR SUPFAM; SSF51366; Ribulose-phoshate binding barrel; 1.
DR PROSITE; PS00167; TRP_SYNTHASE_ALPHA; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_00131};
KW Aromatic amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023141,
KW ECO:0000256|HAMAP-Rule:MF_00131};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00131};
KW Tryptophan biosynthesis {ECO:0000256|ARBA:ARBA00022822, ECO:0000256|HAMAP-
KW Rule:MF_00131}.
FT ACT_SITE 49
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
FT ACT_SITE 60
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
SQ SEQUENCE 265 AA; 28074 MW; B25F411FBF664F93 CRC64;
MSRIAHTFSQ LSAQGRKGLI PFITAGDPYP ELTVDLMHAL VKGGANVIEL GVPFSDPMAD
GPVIQRASER ALAKKVGLRT VLDYVRAFRA TDKTTPVVLM GYANPIERMG IDAFAKAASE
AGVDGVLVVD YPPEECEAFA KSMQATGIDP IFLLAPTSTE ARIAQIARVA SGYIYYVSLK
GVTGAATLDL DSVAARIPQI RQHARLPVGV GFGIRDAATA RAIGGVADAV VIGSRIVQLL
EEAPREQAVQ CLTDFIADIR QALDA
//