ID H6MRR9_GORPV Unreviewed; 273 AA.
AC H6MRR9;
DT 18-APR-2012, integrated into UniProtKB/TrEMBL.
DT 18-APR-2012, sequence version 1.
DT 27-MAR-2024, entry version 73.
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:AFA73725.1};
GN OrderedLocusNames=GPOL_c27040 {ECO:0000313|EMBL:AFA73725.1};
OS Gordonia polyisoprenivorans (strain DSM 44266 / VH2).
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Gordoniaceae;
OC Gordonia.
OX NCBI_TaxID=1112204 {ECO:0000313|EMBL:AFA73725.1, ECO:0000313|Proteomes:UP000009154};
RN [1] {ECO:0000313|EMBL:AFA73725.1, ECO:0000313|Proteomes:UP000009154}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 44266 / VH2 {ECO:0000313|Proteomes:UP000009154};
RX PubMed=22327575; DOI=10.1128/AEM.07969-11;
RA Hiessl S., Schuldes J., Thurmer A., Halbsguth T., Broker D., Angelov A.,
RA Liebl W., Daniel R., Steinbuchel A.;
RT "Involvement of two latex-clearing proteins during rubber degradation and
RT insights into the subsequent degradation pathway revealed by the genome
RT sequence of Gordonia polyisoprenivorans strain VH2.";
RL Appl. Environ. Microbiol. 78:2874-2887(2012).
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; CP003119; AFA73725.1; -; Genomic_DNA.
DR RefSeq; WP_014360298.1; NC_016906.1.
DR AlphaFoldDB; H6MRR9; -.
DR STRING; 1112204.GPOL_c27040; -.
DR KEGG; gpo:GPOL_c27040; -.
DR eggNOG; COG0159; Bacteria.
DR HOGENOM; CLU_016734_0_0_11; -.
DR UniPathway; UPA00035; UER00044.
DR Proteomes; UP000009154; 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:UP000009154};
KW Tryptophan biosynthesis {ECO:0000256|ARBA:ARBA00022822, ECO:0000256|HAMAP-
KW Rule:MF_00131}.
FT ACT_SITE 59
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
FT ACT_SITE 70
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00131"
SQ SEQUENCE 273 AA; 28440 MW; 91611C241A066BAF CRC64;
MTAPTVRHAG ASKLSPVFTR CREQGRAALI GYLPVGYPTV AGSVESFTTM VEAGCDIIEV
GVPYSDPVMD GPTIQEAADL ALTNGVRVRD VFTAVRAITD AGGQAVVMSY WNPILAYGVE
RFSTDLAEAG GAGLITPNLI PEEGHAWHEA SDAHGLDRIY LVAPSSTPER LAYTIDACRG
FVYAASTMGV TGARTAVSNA APELCARIRE YSDIPIGVGL GVRSGEQAAE IASYADGVIV
GSALVTAAQA GQGQLRDLVR ELADGVAHPN PPR
//
