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Entry: E7A2D2_SPORE
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ID   E7A2D2_SPORE            Unreviewed;       737 AA.
AC   E7A2D2;
DT   08-MAR-2011, integrated into UniProtKB/TrEMBL.
DT   08-MAR-2011, sequence version 1.
DT   24-JAN-2024, entry version 62.
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=sr14234 {ECO:0000313|EMBL:CBQ73639.1};
OS   Sporisorium reilianum (strain SRZ2) (Maize head smut fungus).
OC   Eukaryota; Fungi; Dikarya; Basidiomycota; Ustilaginomycotina;
OC   Ustilaginomycetes; Ustilaginales; Ustilaginaceae; Sporisorium.
OX   NCBI_TaxID=999809 {ECO:0000313|EMBL:CBQ73639.1, ECO:0000313|Proteomes:UP000008867};
RN   [1] {ECO:0000313|EMBL:CBQ73639.1, ECO:0000313|Proteomes:UP000008867}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SRZ2 {ECO:0000313|Proteomes:UP000008867};
RX   PubMed=21148393; DOI=10.1126/science.1195330;
RA   Schirawski J., Mannhaupt G., Muench K., Brefort T., Schipper K.,
RA   Doehlemann G., Di Stasio M., Roessel N., Mendoza-Mendoza A., Pester D.,
RA   Mueller O., Winterberg B., Meyer E., Ghareeb H., Wollenberg T.,
RA   Muensterkoetter M., Wong P., Walter M., Stukenbrock E., Gueldener U.,
RA   Kahmann R.;
RT   "Pathogenicity determinants in smut fungi revealed by genome comparison.";
RL   Science 330:1546-1548(2010).
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; FQ311473; CBQ73639.1; -; Genomic_DNA.
DR   AlphaFoldDB; E7A2D2; -.
DR   EnsemblFungi; CBQ73639; CBQ73639; sr14234.
DR   VEuPathDB; FungiDB:sr14234; -.
DR   eggNOG; KOG4166; Eukaryota.
DR   HOGENOM; CLU_013748_1_2_1; -.
DR   OrthoDB; 1831659at2759; -.
DR   UniPathway; UPA00047; UER00055.
DR   UniPathway; UPA00049; UER00059.
DR   Proteomes; UP000008867; Chromosome 8.
DR   GO; GO:0005948; C:acetolactate synthase complex; IEA:EnsemblFungi.
DR   GO; GO:0003984; F:acetolactate synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:EnsemblFungi.
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   Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW   Transferase {ECO:0000256|RuleBase:RU003591}.
FT   DOMAIN          131..246
FT                   /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT                   binding"
FT                   /evidence="ECO:0000259|Pfam:PF02776"
FT   DOMAIN          347..488
FT                   /note="Thiamine pyrophosphate enzyme central"
FT                   /evidence="ECO:0000259|Pfam:PF00205"
FT   DOMAIN          554..702
FT                   /note="Thiamine pyrophosphate enzyme TPP-binding"
FT                   /evidence="ECO:0000259|Pfam:PF02775"
FT   REGION          81..113
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   737 AA;  79903 MW;  7359F116778836DE CRC64;
     MTSFAVQFAR QQRHAFQAAS KLSASASSSN IVAAAAASTS YASTPSAARA FSTARNNLPR
     SAHFARSQRT QLALTRHIST NQPKEQAAAA AAAQTSAGVR PEPSPAFQQS KPAPLASRYD
     ANALDESFVG MSGGAIFHEM MLRHDVKHVF GYPGGAILPV FDAIYNSKHF DFVLPRREDG
     AGHMAEGYAR VTGKPGVILV TSGPGATNVI TPMQDAMSDG TPLVVFCGQV ATSAIGSDAF
     QEADVVGISR SCTKWNVMVK DIAELPRRIN EAFKVATSGR PGPVLVDLPK DVTAGILRQA
     IPYSQTQPNM TTNLPSRQVA RNRRGATFQQ NANLRSSEQD ILTSELREAA RLIGIAKRPI
     IYAGQGILSS LDGPKLLAKL AKEHNIPVTT TLQGLGAFDE LDPLSLHMLG MHGSAYANLA
     MQDADLIIAL GARFDDRVTG KIDKFAPHAR AAALENRGGI IHFEVMPKNI NKVVQATCAI
     EGDVVANLGK LMPFLEGSGP DRSEWHELIK SWKEAYPFTY EPSKQGELMK PQEVIEALDA
     AVADQKDNVI ISTGVGQHQM WAAQHYRWRH PRTWVSSGGL GTMGFGLPSC IGAKVAAPEK
     IVVDIDGDAS FSMTAMELAT AAQYNIGVKV LVLNNEFQGM VVQWQDLFYE KRYSHTEMHN
     PDFVKLAESM GVKAIRCDSI AELPAKMKEF IEYDNNKPIL FEARITKNEH VYPFCPASAG
     LHELIVHPSL KPIPKKE
//
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