ID D6KQQ8_9FIRM Unreviewed; 575 AA.
AC D6KQQ8;
DT 13-JUL-2010, integrated into UniProtKB/TrEMBL.
DT 13-JUL-2010, sequence version 1.
DT 27-MAR-2024, entry version 61.
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=HMPREF0874_01301 {ECO:0000313|EMBL:EFG25106.2};
OS Veillonella sp. 6_1_27.
OC Bacteria; Bacillota; Negativicutes; Veillonellales; Veillonellaceae;
OC Veillonella.
OX NCBI_TaxID=450749 {ECO:0000313|EMBL:EFG25106.2, ECO:0000313|Proteomes:UP000005750};
RN [1] {ECO:0000313|EMBL:EFG25106.2, ECO:0000313|Proteomes:UP000005750}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=6_1_27 {ECO:0000313|EMBL:EFG25106.2,
RC ECO:0000313|Proteomes:UP000005750};
RG The Broad Institute Genome Sequencing Platform;
RA Ward D., Earl A., Feldgarden M., Gevers D., Young S.K., Zeng Q.,
RA Koehrsen M., Alvarado L., Berlin A., Borenstein D., Chapman S., Chen Z.,
RA Engels R., Freedman E., Gellesch M., Goldberg J., Griggs A., Gujja S.,
RA Heilman E., Heiman D., Hepburn T., Howarth C., Jen D., Larson L., Mehta T.,
RA Park D., Pearson M., Richards J., Roberts A., Saif S., Shea T., Shenoy N.,
RA Sisk P., Stolte C., Sykes S., Walk T., White J., Yandava C., McDonald J.,
RA Ambrose C.E., Strauss J.C., Allen-Vercoe E., Haas B., Henn M.R.,
RA Nusbaum C., Birren B.;
RT "The Genome Sequence of Veillonella sp. 6_1_27.";
RL Submitted (MAR-2010) 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}.
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DR EMBL; GG770216; EFG25106.2; -; Genomic_DNA.
DR AlphaFoldDB; D6KQQ8; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000005750; 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 Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 13..128
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 207..342
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 399..547
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 575 AA; 62941 MW; AFBE6AFC644B6CB6 CRC64;
MGERVPMSAE TINGARIVLE TLHRLGVTDM FGYPGGAVIP IYDEIYSFPE IKHYFVRHEQ
GAAHAADGYA RVSGRVGVCL ATSGPGATNL VTGIMTAYMD SVPMVAITGQ VGRPFIGKDS
FQEADIQGIT MPITKHNYLV QDIHDLPRII KEAYFIAGTG RPGPVLIDIP KDIQTEKISM
AEYNKLYEVP IHLEGYDPTY KGHQGQIKKA ATLIKNAKRP LIIAGAGVLK SGAMDELKEL
AEKAQIPVTN TLVGLGGFPG DHELALGMVG MHGSVAANNS TDEADLVIAA GIRFHDRITG
HPDFFCKKAK IIHIDIDPAE IDKNVTINVP IVGDLKQVLT ELNALVEPTT HEAWLEQIRE
WQAEYPMVIP ESKNDVLHAQ YVLSELNKIA KEDAIIVSDV GQHQMWAAQF LTHKKPHTIV
TSGGAGTMGY GLPAAIGAQV GAPKKQVILV VGDGGFQMTC EELMMVRQYN LPIKIIIINN
GYLGMVRQWQ EIFNDRRYSY VDLEVSPNFV KLADAFDLKA ARLDNVETFN KEFKSYITSD
ESIVLDCRVE REDNVLPMIP AGGTISGMMG KKGVL
//
