ID A0A0A3IBN0_9BACI Unreviewed; 584 AA.
AC A0A0A3IBN0;
DT 04-FEB-2015, integrated into UniProtKB/TrEMBL.
DT 04-FEB-2015, sequence version 1.
DT 27-MAR-2024, entry version 46.
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=CD32_23180 {ECO:0000313|EMBL:KGR82186.1};
OS Lysinibacillus odysseyi 34hs-1 = NBRC 100172.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Lysinibacillus.
OX NCBI_TaxID=1220589 {ECO:0000313|EMBL:KGR82186.1, ECO:0000313|Proteomes:UP000030437};
RN [1] {ECO:0000313|EMBL:KGR82186.1, ECO:0000313|Proteomes:UP000030437}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NBRC 100172 {ECO:0000313|EMBL:KGR82186.1,
RC ECO:0000313|Proteomes:UP000030437};
RA Zhang F., Wang G., Zhang L.;
RT "Draft genome sequence of Lysinibacillus odysseyi NBRC 100172.";
RL Submitted (FEB-2014) to the EMBL/GenBank/DDBJ databases.
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KGR82186.1}.
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DR EMBL; JPVP01000060; KGR82186.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0A3IBN0; -.
DR STRING; 1220589.CD32_23180; -.
DR eggNOG; COG0028; Bacteria.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000030437; 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; IPR000399; TPP-bd_CS.
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.
DR PROSITE; PS00187; TPP_ENZYMES; 1.
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:UP000030437};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:KGR82186.1}.
FT DOMAIN 25..139
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 217..352
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 409..556
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
FT REGION 1..21
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 584 AA; 64141 MW; 57E0DAD1124F3BE1 CRC64;
MSNVSAKELQ QQEMPLQEEV KKPKDGADIL VQALHDQDVD IIFGYPGGAV LQIYDAMYRN
PIRHILTRHE QGAIHAAEGY ARVTNKPGVV IATSGPGATN LVTGIADAMI DSIPLVIFTG
QVATSVIGTD AFQEADIMGI TTPITKHNYQ VQDVRDIPRI VQEAFHIANT GRKGPVVIDF
PKNVSQALFT EGDMPETPDE IYLPGYQPNC KPNYLQVQKA IQALTLAKKP LVLAGAGVMF
AEAQNELTEF VEKYKLPIIN TLLGLGSIHG DHELFYGMAG MHGTVTANDA ITQCDLLINI
GARFDDRLTG NLDAFAPNAT IVHIDIDPAE IGKNVPTDIP IVADAKEALQ ALLKKDFEGP
DTASWIEYLN AQDEEFPLWY DEDPHEIMPQ QALEAIHRIT EGEAIVTTDV GQHQMFAAQY
YRLNNSHSWV TSGGLGTMGF GFPAAIGVQF AKPDKKVISI CGDAGFQMTA QELSLLKEFN
LPVKIIILNN SCLGMVRQWQ ETFYEERYSS SLMPIQPDFV KLADAYGIKG YLIEKPEEME
ATLTEAILSD EPVLIDLRIK QLTSVYPMVA PGKGLHEMIG VKKL
//
