ID I3VSV1_THESW Unreviewed; 551 AA.
AC I3VSV1;
DT 19-FEB-2014, integrated into UniProtKB/TrEMBL.
DT 19-FEB-2014, sequence version 1.
DT 27-MAR-2024, entry version 58.
DE RecName: Full=Acetolactate synthase {ECO:0000256|ARBA:ARBA00013145, ECO:0000256|RuleBase:RU003591};
DE EC=2.2.1.6 {ECO:0000256|ARBA:ARBA00013145, ECO:0000256|RuleBase:RU003591};
GN OrderedLocusNames=Tsac_0570 {ECO:0000313|EMBL:AFK85596.1};
OS Thermoanaerobacterium saccharolyticum (strain DSM 8691 / JW/SL-YS485).
OC Bacteria; Bacillota; Clostridia; Thermoanaerobacterales;
OC Thermoanaerobacteraceae; Thermoanaerobacterium.
OX NCBI_TaxID=1094508 {ECO:0000313|EMBL:AFK85596.1, ECO:0000313|Proteomes:UP000006178};
RN [1] {ECO:0000313|Proteomes:UP000006178}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 8691 / JW/SL-YS485 {ECO:0000313|Proteomes:UP000006178};
RA Brown S.D., Land M.L., Herring C.D.;
RT "Thermoanaerobacterium saccharolyticum JW/SL-YS485.";
RL Submitted (DEC-2011) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:AFK85596.1, ECO:0000313|Proteomes:UP000006178}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 8691 / JW/SL-YS485 {ECO:0000313|Proteomes:UP000006178};
RX PubMed=24907337; DOI=10.1128/AEM.00998-14;
RA Currie D.H., Guss A.M., Herring C.D., Giannone R.J., Johnson C.M.,
RA Lankford P.K., Brown S.D., Hettich R.L., Lynd L.R.;
RT "Profile of Secreted Hydrolases, Associated Proteins, and SlpA in
RT Thermoanaerobacterium saccharolyticum during the Degradation of
RT Hemicellulose.";
RL Appl. Environ. Microbiol. 80:5001-5011(2014).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + 2 pyruvate = (2S)-2-acetolactate + CO2;
CC Xref=Rhea:RHEA:25249, ChEBI:CHEBI:15361, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16526, ChEBI:CHEBI:58476; EC=2.2.1.6;
CC Evidence={ECO:0000256|RuleBase:RU003591};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|RuleBase:RU003591};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|RuleBase:RU003591};
CC -!- COFACTOR:
CC Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC Evidence={ECO:0000256|RuleBase:RU003591};
CC Note=Binds 1 thiamine pyrophosphate per subunit.
CC {ECO:0000256|RuleBase:RU003591};
CC -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC isoleucine from 2-oxobutanoate: step 1/4.
CC {ECO:0000256|ARBA:ARBA00004974, ECO:0000256|RuleBase:RU003591}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC pyruvate: step 1/4. {ECO:0000256|ARBA:ARBA00005025,
CC ECO:0000256|RuleBase:RU003591}.
CC -!- SIMILARITY: Belongs to the TPP enzyme family.
CC {ECO:0000256|ARBA:ARBA00007812, ECO:0000256|RuleBase:RU003591}.
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DR EMBL; CP003184; AFK85596.1; -; Genomic_DNA.
DR RefSeq; WP_014757512.1; NC_017992.1.
DR AlphaFoldDB; I3VSV1; -.
DR STRING; 1094508.Tsac_0570; -.
DR KEGG; tsh:Tsac_0570; -.
DR PATRIC; fig|1094508.3.peg.576; -.
DR eggNOG; COG0028; Bacteria.
DR BioCyc; TSAC1094508:GLMA-568-MONOMER; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000006178; Chromosome.
DR GO; GO:0003984; F:acetolactate synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0030976; F:thiamine pyrophosphate binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0009099; P:valine biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd02015; TPP_AHAS; 1.
DR CDD; cd07035; TPP_PYR_POX_like; 1.
DR Gene3D; 3.40.50.970; -; 2.
DR Gene3D; 3.40.50.1220; TPP-binding domain; 1.
DR InterPro; IPR012846; Acetolactate_synth_lsu.
DR InterPro; IPR039368; AHAS_TPP.
DR InterPro; IPR029035; DHS-like_NAD/FAD-binding_dom.
DR InterPro; IPR029061; THDP-binding.
DR InterPro; IPR012000; Thiamin_PyroP_enz_cen_dom.
DR InterPro; IPR012001; Thiamin_PyroP_enz_TPP-bd_dom.
DR InterPro; IPR045229; TPP_enz.
DR InterPro; IPR011766; TPP_enzyme_TPP-bd.
DR NCBIfam; TIGR00118; acolac_lg; 1.
DR PANTHER; PTHR18968:SF13; ACETOLACTATE SYNTHASE CATALYTIC SUBUNIT, MITOCHONDRIAL; 1.
DR PANTHER; PTHR18968; THIAMINE PYROPHOSPHATE ENZYMES; 1.
DR Pfam; PF02775; TPP_enzyme_C; 1.
DR Pfam; PF00205; TPP_enzyme_M; 1.
DR Pfam; PF02776; TPP_enzyme_N; 1.
DR SUPFAM; SSF52467; DHS-like NAD/FAD-binding domain; 1.
DR SUPFAM; SSF52518; Thiamin diphosphate-binding fold (THDP-binding); 2.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605,
KW ECO:0000256|RuleBase:RU003591};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|RuleBase:RU003591}; Magnesium {ECO:0000256|RuleBase:RU003591};
KW Metal-binding {ECO:0000256|RuleBase:RU003591};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 4..118
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 190..323
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 381..528
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 551 AA; 60190 MW; A410F654AFBC2918 CRC64;
MLIKGSQVVI EVLKEQGVEV VFGIPGGAVI PLYDALYDSD LRHILATHEQ MAAHMADGYA
RVTGKVGVCF ATSGPGATNL VTGIANAYMD SVPIVAITGQ VATSLIGKDS FQEVDIAGIT
MPITKHNFIV KSPDKLADTL REAFFIAKDG RPGPVLVDIP KDIQTADINF VKRKDFYVEV
KKHQALESDL EKAAQLISSS KRPVIFAGGG VIWSEASKNL YDFAKKHMIP VATSLMGLGC
FPEDDELSLG LIGMHGSRYA NTAVYKSDLV IAVGARFSDR VAGKAGGLAP NAKVIHIDID
PAEIGKNIDV DVPLVGDIKE VLSLLNGMIK ERENREWINE LISIKDKTSF KYKDDGKLKP
QWIVEKVQEL GGDSLVVATE VGQNQMWTAQ YYRFKEPRTF VTSGGLGTMG FGLPASIGAQ
VGRDDKRVVN IAGDGSIRMN IHALETMSVY NIPVITIILN NQTLGMVRQW QNLLYDKRFS
QTDLNPNLNF SKVAEAFGVT GRRIYTKEEF TEAFSDALSN NKPYVLECII DKDEMVLPFI
PAGGTIEEMI D
//
