ID H0BZ47_9BURK Unreviewed; 569 AA.
AC H0BZ47;
DT 22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT 22-FEB-2012, sequence version 1.
DT 27-MAR-2024, entry version 55.
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 ORFNames=KYG_13386 {ECO:0000313|EMBL:EHL22221.1};
OS Acidovorax sp. NO-1.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Acidovorax.
OX NCBI_TaxID=512030 {ECO:0000313|EMBL:EHL22221.1, ECO:0000313|Proteomes:UP000003485};
RN [1] {ECO:0000313|EMBL:EHL22221.1, ECO:0000313|Proteomes:UP000003485}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NO-1 {ECO:0000313|EMBL:EHL22221.1,
RC ECO:0000313|Proteomes:UP000003485};
RX PubMed=22374962; DOI=10.1128/JB.06814-11;
RA Huang Y., Li H., Rensing C., Zhao K., Johnstone L., Wang G.;
RT "Genome Sequence of the Facultative Anaerobic Arsenite-Oxidizing and
RT Nitrate-Reducing Bacterium Acidovorax sp. Strain NO1.";
RL J. Bacteriol. 194:1635-1636(2012).
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; AGTS01000083; EHL22221.1; -; Genomic_DNA.
DR AlphaFoldDB; H0BZ47; -.
DR STRING; 512030.KYG_13386; -.
DR PATRIC; fig|512030.4.peg.2633; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000003485; Unassembled WGS sequence.
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 Reference proteome {ECO:0000313|Proteomes:UP000003485};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:EHL22221.1}.
FT DOMAIN 2..116
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 191..327
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 392..540
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 569 AA; 62867 MW; 4892A9E67D807FEC CRC64;
MGAEILIKSL QAENVQYIWG YPGGAVLYIY DALYKQDTIQ HVLVRHEQAA VHAADGYARA
TGEVGVALVT SGPGLTNAVT GIATAYMDSI PMVIISGQVP TPAIGLDAFQ ECDTVGITRP
IVKHNFLVKD PRDLAATMKK AFHIARTGRP GPVVVDVPKD VSFKKVPYAG YPASVEMRSY
NPVRKGHGGQ IRKALQLLLT AKRPYIYTGG GVLLGNATNE LRTLVDMLGY PVTNTLMGLG
AYPASDRKFL GMLGMHGTIE ANNAMQNCDV LLAVGARFDD RVIGNPKHFA QNDRKIIHVD
IDPSSISKRV KVDIPIVGDV KDVLTELISM IRESSTRPDA GALAAWWDTI EGWRKRDCLK
YDMGGPDVIK PQYVVETLWN MTKDADTYIT SDVGQHQMWA AQYYRFDEPR RWINSGGLGT
MGVGIPYAMG IKLAKPQSEV FCITGEGSVQ MNIQELSTCL QYNTPIKICS LNNRYLGMVR
QWQEIEYSGR YSHSYMDALP NFVKLAEAYG HVGMLIEHPK DVEPALREAR KLKDRTVFMD
FRTDPTENVF PMVQAGKGIT EMLLGSEDL
//