ID H0EL48_GLAL7 Unreviewed; 666 AA.
AC H0EL48;
DT 22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT 22-FEB-2012, sequence version 1.
DT 24-JAN-2024, entry version 56.
DE RecName: Full=Acetolactate synthase {ECO:0000256|RuleBase:RU003591};
DE EC=2.2.1.6 {ECO:0000256|RuleBase:RU003591};
GN ORFNames=M7I_3285 {ECO:0000313|EMBL:EHL00891.1};
OS Glarea lozoyensis (strain ATCC 74030 / MF5533).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Leotiomycetes;
OC Helotiales; Helotiaceae; Glarea.
OX NCBI_TaxID=1104152 {ECO:0000313|EMBL:EHL00891.1, ECO:0000313|Proteomes:UP000005446};
RN [1] {ECO:0000313|EMBL:EHL00891.1, ECO:0000313|Proteomes:UP000005446}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 74030 / MF5533 {ECO:0000313|Proteomes:UP000005446};
RX PubMed=22302591; DOI=10.1128/EC.05302-11;
RA Youssar L., Gruening B.A., Erxleben A., Guenther S., Huettel W.;
RT "Genome sequence of the fungus Glarea lozoyensis: the first genome sequence
RT of a species from the Helotiaceae family.";
RL Eukaryot. Cell 11:250-250(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 -!- CATALYTIC ACTIVITY:
CC Reaction=a 2-oxocarboxylate + H(+) = an aldehyde + CO2;
CC Xref=Rhea:RHEA:11628, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:17478, ChEBI:CHEBI:35179; EC=4.1.1.1;
CC Evidence={ECO:0000256|ARBA:ARBA00001041};
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:EHL00891.1}.
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DR EMBL; AGUE01000073; EHL00891.1; -; Genomic_DNA.
DR AlphaFoldDB; H0EL48; -.
DR HOGENOM; CLU_013748_1_2_1; -.
DR InParanoid; H0EL48; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000005446; 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:0004737; F:pyruvate decarboxylase activity; IEA:UniProtKB-EC.
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:UP000005446};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 65..178
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 263..405
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 473..620
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 666 AA; 72116 MW; 5383AD009B1407E7 CRC64;
MLRSNPARGA VRALKQTSRC NTRCLSQLPP AGGIGMAKKA PASIRTQATA ATATATAPSP
FIGKTGGEIF HEMMRRQNVD TIFGYAGGAI LPVFDAIYNS KHFKFILPKH EQGAGHMAEG
YARASGKPGV VLVTSGPGAT NVITPMQDAM SDGTPMVVFT GQVVTTAIGS DAFQEADVIG
ISRACTKWNV MVRNVAELPK RINEAFEIAT SGRPGPVLVD LPKDVTAAIL RKAIPMSSTI
PILPSQASKA AIEHGRRQLT ATLERVAKLI NVAKKPVIYA GQGVIALPEG PQLLKELSDK
ASIPVTTTLQ GLGGFDELDP KALHMLGMHG SAYANLSMQE ADLIIALGAR FDDRVTGAVS
KFAPQAKAAA AEGRGGIVHF EIMPKNINKV VQATEAVEGD VAANLAILLP RVEKRSMADR
KEWFDQINFW KEKFPLSAYE KAERTGLIKP QTLIEELSNL TAHMKDDTII TTGVGQHQMW
TAQHFRWRAP RTMITSGGLG TMGFGLPAAI GAKVAKPDAL VIDIDGDASF NMTLTEMSTA
KQFNIGVKII VLNNEEQGMV TQWQNIFYED RYAHTHSENP DFMKLADAMG IQARRCIKPD
DVRDSLKWLI ESDGPAFLEV VTDKKVPVLL MVPGGSALHE FLVWDEEKDK ARRKTMIERT
EGKHGN
//