ID B7GHR0_ANOFW Unreviewed; 279 AA.
AC B7GHR0;
DT 10-FEB-2009, integrated into UniProtKB/TrEMBL.
DT 10-FEB-2009, sequence version 1.
DT 27-MAR-2024, entry version 95.
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:ACJ33482.1};
GN OrderedLocusNames=Aflv_1106 {ECO:0000313|EMBL:ACJ33482.1};
OS Anoxybacillus flavithermus (strain DSM 21510 / WK1).
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Anoxybacillus.
OX NCBI_TaxID=491915 {ECO:0000313|EMBL:ACJ33482.1, ECO:0000313|Proteomes:UP000000742};
RN [1] {ECO:0000313|EMBL:ACJ33482.1, ECO:0000313|Proteomes:UP000000742}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 21510 / WK1 {ECO:0000313|Proteomes:UP000000742};
RX PubMed=19014707; DOI=10.1186/gb-2008-9-11-r161;
RA Saw J.H., Mountain B.W., Feng L., Omelchenko M.V., Hou S., Saito J.A.,
RA Stott M.B., Li D., Zhao G., Wu J., Galperin M.Y., Koonin E.V.,
RA Makarova K.S., Wolf Y.I., Rigden D.J., Dunfield P.F., Wang L., Alam M.;
RT "Encapsulated in silica: genome, proteome and physiology of the
RT thermophilic bacterium Anoxybacillus flavithermus WK1.";
RL Genome Biol. 9:R161.1-R161.16(2008).
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; CP000922; ACJ33482.1; -; Genomic_DNA.
DR RefSeq; WP_006319458.1; NC_011567.1.
DR AlphaFoldDB; B7GHR0; -.
DR STRING; 491915.Aflv_1106; -.
DR GeneID; 7037363; -.
DR KEGG; afl:Aflv_1106; -.
DR PATRIC; fig|491915.6.peg.1129; -.
DR eggNOG; COG0159; Bacteria.
DR HOGENOM; CLU_016734_0_0_9; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000000742; 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:UP000000742};
KW Tryptophan biosynthesis {ECO:0000256|ARBA:ARBA00022822, ECO:0000256|HAMAP-
KW Rule:MF_00131}.
FT REGION 259..279
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 34
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
FT ACT_SITE 45
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
SQ SEQUENCE 279 AA; 30656 MW; E50BF6920CFDF59C CRC64;
MKHFIPFIVA GDPCEEVTID LAIALEQAGA TILELGVPYS DPLADGPIIQ RAASRALKNG
MTLTRALELI GRMRKKGVKI PIIVFTYYNP VLQLGEERFF ALAQQNGASG VLIPDLPFEE
SEHMRTLGDT YDIPYISLVA PTSHERIAMI ASQAQSFLYC VSSLGVTGIR DSLPKQLHEF
LQQVKSYSRV PIVVGFGIST AEQVERLQHI CDGVVIGSAI VKKIEQLQDE LNDAHTRSNA
LIAFSQYVAS LIEPLKRVRK NESETTTETT KTVSTGQTD
//
