ID D6KKS4_9FIRM Unreviewed; 263 AA.
AC D6KKS4;
DT 13-JUL-2010, integrated into UniProtKB/TrEMBL.
DT 13-JUL-2010, sequence version 1.
DT 24-JAN-2024, entry version 55.
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 ORFNames=HMPREF0873_01392 {ECO:0000313|EMBL:EFG22517.2};
OS Veillonella sp. 3_1_44.
OC Bacteria; Bacillota; Negativicutes; Veillonellales; Veillonellaceae;
OC Veillonella.
OX NCBI_TaxID=457416 {ECO:0000313|EMBL:EFG22517.2, ECO:0000313|Proteomes:UP000005761};
RN [1] {ECO:0000313|EMBL:EFG22517.2, ECO:0000313|Proteomes:UP000005761}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=3_1_44 {ECO:0000313|EMBL:EFG22517.2,
RC ECO:0000313|Proteomes:UP000005761};
RG The Broad Institute Genome Sequencing Platform;
RA Ward D., Earl A., Feldgarden M., Gevers D., Young S.K., Zeng Q.,
RA Koehrsen M., Alvarado L., Berlin A., Borenstein D., Chapman S., Chen Z.,
RA Engels R., Freedman E., Gellesch M., Goldberg J., Griggs A., Gujja S.,
RA Heilman E., Heiman D., Hepburn T., Howarth C., Jen D., Larson L., Mehta T.,
RA Park D., Pearson M., Richards J., Roberts A., Saif S., Shea T., Shenoy N.,
RA Sisk P., Stolte C., Sykes S., Walk T., White J., Yandava C., McDonald J.,
RA Ambrose C.E., Strauss J.C., Allen-Vercoe E., Haas B., Henn M.R.,
RA Nusbaum C., Birren B.;
RT "The Genome Sequence of Veillonella sp. 3_1_44.";
RL Submitted (MAR-2010) 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; GG770201; EFG22517.2; -; Genomic_DNA.
DR RefSeq; WP_008603162.1; NZ_GG770201.1.
DR AlphaFoldDB; D6KKS4; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000005761; Unassembled WGS sequence.
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; 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.
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 44
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
FT ACT_SITE 55
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
SQ SEQUENCE 263 AA; 28493 MW; 0773D67602655CA7 CRC64;
MSNIKDAFTK GKAFIPFISA GDHGIENTER YIRIMVKAGA DMVEIGIPFS DPTAEGPVIQ
EASTRALSTG VKINDIFDMV RRLRTGDDAV TIPLVFMTYL NPIYVFGREK FFTLCEEVGI
SGVIVPDMPF EEKGELASVA HKHGVEVVSL IAPTSENRIE MIAKDAEGFV YCVSSLGVTG
MRSEIKTDIK SIVEMIRKYT DIPVAVGFGI SKPEQAEAMA RVSDGAIVGS AIVKIVAEHG
EHADQALFDY VQSMKQAVLK AGA
//
