ID G3Y5Z9_ASPNA Unreviewed; 693 AA.
AC G3Y5Z9;
DT 14-DEC-2011, integrated into UniProtKB/TrEMBL.
DT 14-DEC-2011, sequence version 1.
DT 24-JAN-2024, entry version 61.
DE RecName: Full=Acetolactate synthase {ECO:0000256|RuleBase:RU003591};
DE EC=2.2.1.6 {ECO:0000256|RuleBase:RU003591};
GN ORFNames=ASPNIDRAFT_210558 {ECO:0000313|EMBL:EHA22014.1};
OS Aspergillus niger (strain ATCC 1015 / CBS 113.46 / FGSC A1144 / LSHB Ac4 /
OS NCTC 3858a / NRRL 328 / USDA 3528.7).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus;
OC Aspergillus subgen. Circumdati.
OX NCBI_TaxID=380704 {ECO:0000313|EMBL:EHA22014.1, ECO:0000313|Proteomes:UP000009038};
RN [1] {ECO:0000313|EMBL:EHA22014.1, ECO:0000313|Proteomes:UP000009038}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 1015 / CBS 113.46 / FGSC A1144 / LSHB Ac4 / NCTC 3858a /
RC NRRL 328 / USDA 3528.7 {ECO:0000313|Proteomes:UP000009038};
RX PubMed=21543515; DOI=10.1101/gr.112169.110;
RA Andersen M.R., Salazar M.P., Schaap P.J., van de Vondervoort P.J.,
RA Culley D., Thykaer J., Frisvad J.C., Nielsen K.F., Albang R., Albermann K.,
RA Berka R.M., Braus G.H., Braus-Stromeyer S.A., Corrochano L.M., Dai Z.,
RA van Dijck P.W., Hofmann G., Lasure L.L., Magnuson J.K., Menke H.,
RA Meijer M., Meijer S.L., Nielsen J.B., Nielsen M.L., van Ooyen A.J.,
RA Pel H.J., Poulsen L., Samson R.A., Stam H., Tsang A., van den Brink J.M.,
RA Atkins A., Aerts A., Shapiro H., Pangilinan J., Salamov A., Lou Y.,
RA Lindquist E., Lucas S., Grimwood J., Grigoriev I.V., Kubicek C.P.,
RA Martinez D., van Peij N.N., Roubos J.A., Nielsen J., Baker S.E.;
RT "Comparative genomics of citric-acid-producing Aspergillus niger ATCC 1015
RT versus enzyme-producing CBS 513.88.";
RL Genome Res. 21:885-897(2011).
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 -!- SUBUNIT: Homotetramer. {ECO:0000256|ARBA:ARBA00011881}.
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:EHA22014.1}.
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DR EMBL; ACJE01000013; EHA22014.1; -; Genomic_DNA.
DR AlphaFoldDB; G3Y5Z9; -.
DR STRING; 380704.G3Y5Z9; -.
DR HOGENOM; CLU_013748_1_2_1; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000009038; 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 Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 96..209
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 294..437
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 502..649
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
FT REGION 46..73
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 693 AA; 75867 MW; 9D41B4E2271B8574 CRC64;
MMPMRPSKSA MRALHYQRYI ASGRMTFTTA SVAATAPHRF SAQKRFQSTA TAPAEGTRPV
PSPAFNQEPH RNEVSPLQNR QVPELDDSVN SFVGLSGGEI FHEMMLRLGV KHVFGYPGGA
ILPVFDAIYN SKHFDFVLPR HEQGAGHMAE GYARASGKPG VVLVTSGPGA TNVITPMQDA
LSDGTPMVVF CGQVPTSLIG TDSFQEADVI GISRACTKWN VMVKSVAELP RRIQEAFEIA
TSGRPGPVLV DLPKDITAGI LRKPIPMNST LPSLPSAATM AARELSMQQL QGTINRVARL
VNVSKKPILY VGQGLLARPE GPQILKELAD KACIPVTTTL QGLGGFDETD PKALHMLGMH
GSAYANMAMQ EADLIIAIGA RFDDRVTGNI SKFAPQAKLA ASENRGGIVH FEIMPKNINK
VVQANEAVEG DCAENIRLLL PHVEPVAERK EWFEQINDWK ARFPFSLYEK QTAEGPIKPQ
AVIEKLSDLT AHMKDRTVIT TGVGQHQMWA AQHFRWRHPR TMITSGGLGT MGYGLPAAIG
AKVARPDALV VDIDGDASFN MTLTELTTAA QFNIGVKVLL LNNEEQGMVT QWQNLFYEDR
YSHTHQKNPD FVPMAQSMGV AANRCTKPSE VEAKLKWLIE QDGPALLEVF TDRKVPVLPM
VPAGCALHEF LVYDEAKEKE RKALMKKRKV PGF
//