ID C4KB98_THASP Unreviewed; 555 AA.
AC C4KB98;
DT 07-JUL-2009, integrated into UniProtKB/TrEMBL.
DT 07-JUL-2009, sequence version 1.
DT 24-JAN-2024, entry version 97.
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=Tmz1t_3076 {ECO:0000313|EMBL:ACR01674.1};
OS Thauera sp. (strain MZ1T).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Rhodocyclales; Zoogloeaceae;
OC Thauera.
OX NCBI_TaxID=85643 {ECO:0000313|EMBL:ACR01674.1, ECO:0000313|Proteomes:UP000002186};
RN [1] {ECO:0000313|Proteomes:UP000002186}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MZ1T {ECO:0000313|Proteomes:UP000002186};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Sims D., Brettin T., Detter J.C., Han C.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Sayler G.S.;
RT "Complete sequence of chromosome of Thauera sp. MZ1T.";
RL Submitted (MAY-2009) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ACR01674.1, ECO:0000313|Proteomes:UP000002186}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MZ1T {ECO:0000313|EMBL:ACR01674.1,
RC ECO:0000313|Proteomes:UP000002186};
RX PubMed=23407619; DOI=10.4056/sigs.2696029;
RA Jiang K., Sanseverino J., Chauhan A., Lucas S., Copeland A., Lapidus A.,
RA Del Rio T.G., Dalin E., Tice H., Bruce D., Goodwin L., Pitluck S., Sims D.,
RA Brettin T., Detter J.C., Han C., Chang Y.J., Larimer F., Land M.,
RA Hauser L., Kyrpides N.C., Mikhailova N., Moser S., Jegier P., Close D.,
RA Debruyn J.M., Wang Y., Layton A.C., Allen M.S., Sayler G.S.;
RT "Complete genome sequence of Thauera aminoaromatica strain MZ1T.";
RL Stand. Genomic Sci. 6:325-335(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; CP001281; ACR01674.1; -; Genomic_DNA.
DR RefSeq; WP_012585806.1; NC_011662.2.
DR AlphaFoldDB; C4KB98; -.
DR STRING; 85643.Tmz1t_3076; -.
DR KEGG; tmz:Tmz1t_3076; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_4; -.
DR OMA; YMGMIGM; -.
DR OrthoDB; 2254214at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000002186; 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; 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:SF169; 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:UP000002186};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 4..120
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 193..327
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 383..530
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 555 AA; 59274 MW; 9162101922E99846 CRC64;
MMQMTGAQLM VRLLERQGVR TVAGIPGGAI LPFYDALSGS EHIHHVLARH EQGAGFIAQG
MARVSGVPQV CIASSGPGAT NLVTAIADAC LDSIPMVVIT GQVPQAMIGT DAFQEVDIYG
ITVPITKHNF LVRSAQELLE VIPDAFRIAM SGRPGPVLID VPKDVQNQLV AVAEFPAPAV
ADPAPQLDLA AVELAAKMIN EAEQPVLYLG GGVVASGAAP LAVQLAEQAG LPTTMTLMAL
GAMPMDHPLS IGMLGMHGAR YTNFVLEEAD VLVCVGARFD DRAIGRAAQF CPNAKIVHID
IDRSELHKIK NAHVAIHANV KCALEALLPR VQATLRKRWL SHVDSLKTRF PMQFPGQDDP
RTHYGLIQAV AAALDDRAIV ATDVGQHQMW VAQAYPFRRP RQWLTSGGLG TMGFGLPSAL
GAALAEPGRT VVCFTGDGSF KMNIQELATL AEEGLNVKIV LMNNNALGLV YQQQTLFYGQ
RLFASKYRTE PDFVKIAEGF GVPAVDLDLA DNPRAALAEA LHRPGPCLIH ATIDREQFVY
PMVPPGAANT EMIGG
//