ID A0A0A1FFX6_9BURK Unreviewed; 575 AA.
AC A0A0A1FFX6;
DT 04-FEB-2015, integrated into UniProtKB/TrEMBL.
DT 04-FEB-2015, sequence version 1.
DT 27-MAR-2024, entry version 44.
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=LT85_3507 {ECO:0000313|EMBL:AIY42665.1};
OS Collimonas arenae.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Oxalobacteraceae; Collimonas.
OX NCBI_TaxID=279058 {ECO:0000313|EMBL:AIY42665.1, ECO:0000313|Proteomes:UP000030302};
RN [1] {ECO:0000313|EMBL:AIY42665.1, ECO:0000313|Proteomes:UP000030302}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Cal35 {ECO:0000313|EMBL:AIY42665.1,
RC ECO:0000313|Proteomes:UP000030302};
RA Uroz S., Tech J.J., Sawaya N.A., Frey-Klett P., Leveau J.H.J.;
RT "Structure and function of bacterial communities in ageing soils: insights
RT from the Mendocino ecological staircase.";
RL Soil Biol. Biochem. 69:265-274(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; CP009962; AIY42665.1; -; Genomic_DNA.
DR RefSeq; WP_038491228.1; NZ_CP009962.1.
DR AlphaFoldDB; A0A0A1FFX6; -.
DR STRING; 279058.LT85_3507; -.
DR KEGG; care:LT85_3507; -.
DR HOGENOM; CLU_013748_1_2_4; -.
DR OrthoDB; 2254214at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000030302; 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, ECO:0000313|EMBL:AIY42665.1}.
FT DOMAIN 10..125
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 199..335
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 398..546
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 575 AA; 63272 MW; F20B6E46D1FC66EA CRC64;
MSKDTNLPVT GAEILVRCLA EEGVEHVFGY PGGAVLYIYD AIFQQEKFQH ILVRHEQAAI
HAADAYSRSS NKVGVAIVTS GPGVTNAVTG LATAYMDSIP MVVISGQVPS YAIGEDAFQE
CDTVGITRPC VKHNFLVKDV KDLAATIKKA FFIASTGRPG PVLVDIPKDI TMHRHVFEYP
KEVEMRSYKP VDKGHSGQIR KAVQLLLTAE RPMIYAGGGV ILANAAPELN KLVDRLGYPC
TNTLMGLGGY RSSSDKFVGM PGMHGTYEAN MAMQNSDVLI AIGARFDDRV IGNPKNFTSV
SRKIIHIDID PSSISKRVKV DIPIVGNVKD VLQELLAQLD AAEARQNTAA LSNWWKQIEE
WRGRDCLKFT DSKEVIKPQS VVQKVWQITD GDAFITSDVG QHQMWAAQYY GFDKPRRWIN
SGGLGTMGVG LPYAMGVQMA NPGATVACIT GEASIQMCIQ ELATCKQYHL TPKIILLNNR
FLGMVRQWQQ IDYGSRYSES YMDSLPDFTK LAESFGHVGM KIENPADVDG ALKEAFGMKD
RLVFMNFITD QTENVWPMVK AGKGLTEMLL GSEDL
//
