ID A9F0D5_SORC5 Unreviewed; 274 AA.
AC A9F0D5;
DT 05-FEB-2008, integrated into UniProtKB/TrEMBL.
DT 05-FEB-2008, sequence version 1.
DT 27-MAR-2024, entry version 106.
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:CAN91260.1};
GN OrderedLocusNames=sce1103 {ECO:0000313|EMBL:CAN91260.1};
OS Sorangium cellulosum (strain So ce56) (Polyangium cellulosum (strain So
OS ce56)).
OC Bacteria; Myxococcota; Polyangia; Polyangiales; Polyangiaceae; Sorangium.
OX NCBI_TaxID=448385 {ECO:0000313|EMBL:CAN91260.1, ECO:0000313|Proteomes:UP000002139};
RN [1] {ECO:0000313|EMBL:CAN91260.1, ECO:0000313|Proteomes:UP000002139}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=So ce56 {ECO:0000313|Proteomes:UP000002139};
RX PubMed=17965706; DOI=10.1038/nbt1354;
RA Schneiker S., Perlova O., Kaiser O., Gerth K., Alici A., Altmeyer M.O.,
RA Bartels D., Bekel T., Beyer S., Bode E., Bode H.B., Bolten C.J.,
RA Choudhuri J.V., Doss S., Elnakady Y.A., Frank B., Gaigalat L., Goesmann A.,
RA Groeger C., Gross F., Jelsbak L., Jelsbak L., Kalinowski J., Kegler C.,
RA Knauber T., Konietzny S., Kopp M., Krause L., Krug D., Linke B., Mahmud T.,
RA Martinez-Arias R., McHardy A.C., Merai M., Meyer F., Mormann S.,
RA Munoz-Dorado J., Perez J., Pradella S., Rachid S., Raddatz G., Rosenau F.,
RA Rueckert C., Sasse F., Scharfe M., Schuster S.C., Suen G.,
RA Treuner-Lange A., Velicer G.J., Vorholter F.-J., Weissman K.J., Welch R.D.,
RA Wenzel S.C., Whitworth D.E., Wilhelm S., Wittmann C., Bloecker H.,
RA Puehler A., Mueller R.;
RT "Complete genome sequence of the myxobacterium Sorangium cellulosum.";
RL Nat. Biotechnol. 25:1281-1289(2007).
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; AM746676; CAN91260.1; -; Genomic_DNA.
DR RefSeq; WP_012233737.1; NC_010162.1.
DR AlphaFoldDB; A9F0D5; -.
DR STRING; 448385.sce1103; -.
DR KEGG; scl:sce1103; -.
DR eggNOG; COG0159; Bacteria.
DR HOGENOM; CLU_016734_0_4_7; -.
DR OrthoDB; 9804578at2; -.
DR BioCyc; SCEL448385:SCE_RS05760-MONOMER; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000002139; Chromosome.
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 Reference proteome {ECO:0000313|Proteomes:UP000002139};
KW Tryptophan biosynthesis {ECO:0000256|ARBA:ARBA00022822, ECO:0000256|HAMAP-
KW Rule:MF_00131}.
FT ACT_SITE 55
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
FT ACT_SITE 66
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
SQ SEQUENCE 274 AA; 28609 MW; 47D10CD97C5F6A84 CRC64;
MSRETVTTRY DRAFERLRQR GEGAFIPFLM LGDPDLATSA RLLRAAVEGG ADAIEVGIPF
SDPIADGPTI QAAAVRALEA GVRPGDCIEL LARFRAEAPE VPIGILTYAN LVKHRDLAGF
YASAAAAGVD SVLVADVPVR ESDPYVAAAR AAGVAPVLIA PLNASEATLQ RLAERCSAYT
YCVTRKGVTG ADEQLRLGHG ALFETLRRFG APPAILGFGI SKPEHVRDAL AAGAFGVVSG
SAVVQRVAAN VGDPEAAARA VASFVREMKA ATAR
//
