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Database: UniProt
Entry: D2Q863_BIFDB
LinkDB: D2Q863_BIFDB
Original site: D2Q863_BIFDB 
ID   D2Q863_BIFDB            Unreviewed;       621 AA.
AC   D2Q863;
DT   02-MAR-2010, integrated into UniProtKB/TrEMBL.
DT   02-MAR-2010, sequence version 1.
DT   24-JAN-2024, entry version 80.
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:ADB08999.1};
GN   OrderedLocusNames=BDP_0319 {ECO:0000313|EMBL:ADB08999.1};
OS   Bifidobacterium dentium (strain ATCC 27534 / DSM 20436 / JCM 1195 / Bd1).
OC   Bacteria; Actinomycetota; Actinomycetes; Bifidobacteriales;
OC   Bifidobacteriaceae; Bifidobacterium.
OX   NCBI_TaxID=401473 {ECO:0000313|EMBL:ADB08999.1, ECO:0000313|Proteomes:UP000008693};
RN   [1] {ECO:0000313|EMBL:ADB08999.1, ECO:0000313|Proteomes:UP000008693}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27534 / DSM 20436 / JCM 1195 / Bd1
RC   {ECO:0000313|Proteomes:UP000008693};
RX   PubMed=20041198; DOI=10.1371/journal.pgen.1000785;
RA   Ventura M., Turroni F., Zomer A., Foroni E., Giubellini V., Bottacini F.,
RA   Canchaya C., Claesson M.J., He F., Mantzourani M., Mulas L., Ferrarini A.,
RA   Gao B., Delledonne M., Henrissat B., Coutinho P., Oggioni M., Gupta R.S.,
RA   Zhang Z., Beighton D., Fitzgerald G.F., O'Toole P.W., van Sinderen D.;
RT   "The Bifidobacterium dentium Bd1 genome sequence reflects its genetic
RT   adaptation to the human oral cavity.";
RL   PLoS Genet. 5:E1000785-E1000785(2009).
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|ARBA:ARBA00000673,
CC         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; CP001750; ADB08999.1; -; Genomic_DNA.
DR   AlphaFoldDB; D2Q863; -.
DR   STRING; 401473.BDP_0319; -.
DR   KEGG; bde:BDP_0319; -.
DR   eggNOG; COG0028; Bacteria.
DR   HOGENOM; CLU_013748_1_2_11; -.
DR   OMA; CFGTSGP; -.
DR   UniPathway; UPA00047; UER00055.
DR   UniPathway; UPA00049; UER00059.
DR   Proteomes; UP000008693; 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:0016491; F:oxidoreductase activity; IEA:UniProtKB-KW.
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, CHLOROPLASTIC; 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}; FAD {ECO:0000256|ARBA:ARBA00022827};
KW   Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW   Magnesium {ECO:0000256|RuleBase:RU003591};
KW   Metal-binding {ECO:0000256|RuleBase:RU003591};
KW   Oxidoreductase {ECO:0000313|EMBL:ADB08999.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000008693};
KW   Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW   Transferase {ECO:0000256|RuleBase:RU003591}.
FT   DOMAIN          31..146
FT                   /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT                   binding"
FT                   /evidence="ECO:0000259|Pfam:PF02776"
FT   DOMAIN          222..356
FT                   /note="Thiamine pyrophosphate enzyme central"
FT                   /evidence="ECO:0000259|Pfam:PF00205"
FT   DOMAIN          420..583
FT                   /note="Thiamine pyrophosphate enzyme TPP-binding"
FT                   /evidence="ECO:0000259|Pfam:PF02775"
SQ   SEQUENCE   621 AA;  67272 MW;  7333C44F2DB9D829 CRC64;
     MVLPTPLQAF SGMPKASANT EKQTIVDGEK MTGAEALVRS LEDLGVQDVF GIPGGAILPV
     YHAIKDDTKF RFVLMRHEQA AGHAAEGYAV ATGRVGVCIV TSGPGATNMI TPIADANMDS
     IPLVVITGQV GVNAIGTDAF QEADIVGATY PVVKHSYLVT RAQDIPRVLA EAHYIARSGR
     PGPVVVDITK TAQTGDMYYS WPQRMILPGY NPTTKAHGRV LSDAAKLFEQ SYRPVLYVGG
     GAVRSDAGEL VKELAEITDA PIVTTLPARG IVPDSDPKVL GMLGMHGTIA ATGAVQRCDL
     LVAIGARFDD RVTGKLDAFA PGARVIHIDI DPAEIGKNRQ PDVPIVGDVA TVLKDLIPEI
     KREQAMHGKP DISHWWEVIN KWVEDYPIKW EQPTDGSLAP QWVVKQLSVM ADPDTIWVSG
     VGQHQMWATQ IIEFDKPHSW ISSGGLGTMG FGLPAAIGAR VGSAREFADK KPVWLIDGDG
     SFQMTSEELA TAFLDRTPIK IALLNNSVYG MVRQWQTLFY EHHYSATNLL DGENTPDIMD
     VPDFVKLAEA YGCVGMRAFT EEEAIECIKK ANAINDRPVL IDFRVWKDAM VWPMVAAGAS
     NDDVTYMPGI KPLQRAAAEN E
//
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