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Database: UniProt
Entry: D1PIV6_9FIRM
LinkDB: D1PIV6_9FIRM
Original site: D1PIV6_9FIRM 
ID   D1PIV6_9FIRM            Unreviewed;       594 AA.
AC   D1PIV6;
DT   09-FEB-2010, integrated into UniProtKB/TrEMBL.
DT   09-FEB-2010, sequence version 1.
DT   24-JAN-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   Name=ilvB {ECO:0000313|EMBL:EFB77465.1};
GN   ORFNames=SUBVAR_04271 {ECO:0000313|EMBL:EFB77465.1};
OS   Subdoligranulum variabile DSM 15176.
OC   Bacteria; Bacillota; Clostridia; Eubacteriales; Oscillospiraceae;
OC   Subdoligranulum.
OX   NCBI_TaxID=411471 {ECO:0000313|EMBL:EFB77465.1, ECO:0000313|Proteomes:UP000003438};
RN   [1] {ECO:0000313|EMBL:EFB77465.1, ECO:0000313|Proteomes:UP000003438}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 15176 {ECO:0000313|EMBL:EFB77465.1,
RC   ECO:0000313|Proteomes:UP000003438};
RA   Weinstock G., Sodergren E., Clifton S., Fulton L., Fulton B., Courtney L.,
RA   Fronick C., Harrison M., Strong C., Farmer C., Delahaunty K., Markovic C.,
RA   Hall O., Minx P., Tomlinson C., Mitreva M., Nelson J., Hou S., Wollam A.,
RA   Pepin K.H., Johnson M., Bhonagiri V., Nash W.E., Warren W., Chinwalla A.,
RA   Mardis E.R., Wilson R.K.;
RL   Submitted (DEC-2009) 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:EFB77465.1}.
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DR   EMBL; ACBY02000011; EFB77465.1; -; Genomic_DNA.
DR   AlphaFoldDB; D1PIV6; -.
DR   STRING; 411471.SUBVAR_04271; -.
DR   eggNOG; COG0028; Bacteria.
DR   HOGENOM; CLU_013748_1_2_9; -.
DR   UniPathway; UPA00047; UER00055.
DR   UniPathway; UPA00049; UER00059.
DR   Proteomes; UP000003438; 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: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.
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:UP000003438};
KW   Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW   Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:EFB77465.1}.
FT   DOMAIN          44..155
FT                   /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT                   binding"
FT                   /evidence="ECO:0000259|Pfam:PF02776"
FT   DOMAIN          231..365
FT                   /note="Thiamine pyrophosphate enzyme central"
FT                   /evidence="ECO:0000259|Pfam:PF00205"
FT   DOMAIN          421..570
FT                   /note="Thiamine pyrophosphate enzyme TPP-binding"
FT                   /evidence="ECO:0000259|Pfam:PF02775"
SQ   SEQUENCE   594 AA;  64641 MW;  5076C86825759AAE CRC64;
     MVPQSAYTAF VSWVQGAKAV FLFLFAHPAA GAENRKEKKQ MKLNGSQIFV EVLAEQGVDT
     LFGYPGGAVL NLYDELYKNS DRIHTVLTAH EQGASHAADG YARATGRTGV VLATSGPGAT
     NLVTGIATAY MDSVPMVAFT GNVATTLLGR DSFQEAYIEG ITMPITKHNY TVRRVEDLAD
     TMRAAFRIAQ QGRKGPVLVD IPKDVTAAVC EFTPKAPELI RTVTSYNEED VKKAAEMINA
     AQRPVVYFGG GVRSAAGCQP LRDLLEKAGM PATYTLMAAG VLSYGEPHNL GLLGMHGCYT
     ANKAIDEADL VIAVGTRFSD RVALNPDTFA KRAKIIQIDI DPSELGKNVA VDLSLTGDAS
     YILQAILPYV EKTEHKLWME QIRQWQKNDY KPVDSDTELK PHQMIAEICR QAGPEAVYVT
     DVGQHQMWAA QYLHHTKSRG FLTSGGLGTM GFGYGAAIGA QMALGRDARV IMLTGDGSFH
     MNLNEGCTAV SYGLPIITVI FNNQVLGMVR QWQTTFYGKR YSDTDPHRHT DFVKVAEGFG
     AKGYRATTPE EFKAAFADAM KQQGPSWIDC RIGKDEKVLP MIPGGGDIND IIME
//
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