ID A0A2H3IMG9_9EURO Unreviewed; 688 AA.
AC A0A2H3IMG9;
DT 31-JAN-2018, integrated into UniProtKB/TrEMBL.
DT 31-JAN-2018, sequence version 1.
DT 24-JAN-2024, entry version 27.
DE RecName: Full=Acetolactate synthase {ECO:0000256|RuleBase:RU003591};
DE EC=2.2.1.6 {ECO:0000256|RuleBase:RU003591};
GN ORFNames=PENO1_016620 {ECO:0000313|EMBL:PCH06493.1};
OS Penicillium occitanis (nom. inval.).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Eurotiales; Aspergillaceae; Penicillium.
OX NCBI_TaxID=290292 {ECO:0000313|EMBL:PCH06493.1, ECO:0000313|Proteomes:UP000218381};
RN [1] {ECO:0000313|EMBL:PCH06493.1, ECO:0000313|Proteomes:UP000218381}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CL100 {ECO:0000313|EMBL:PCH06493.1,
RC ECO:0000313|Proteomes:UP000218381};
RX PubMed=28951729; DOI=10.3389/fmicb.2017.01627;
RA Bravo-Ruiz G., Sassi A.H., Marcet-Houben M., Di Pietro A., Gargouri A.,
RA Gabaldon T., Roncero M.I.G.;
RT "Regulatory Mechanisms of a Highly Pectinolytic Mutant of Penicillium
RT occitanis and Functional Analysis of a Candidate Gene in the Plant Pathogen
RT Fusarium oxysporum.";
RL Front. Microbiol. 8:1627-1627(2017).
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:PCH06493.1}.
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DR EMBL; NPFK01000027; PCH06493.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2H3IMG9; -.
DR STRING; 290292.A0A2H3IMG9; -.
DR OrthoDB; 1831659at2759; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000218381; 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:UP000218381};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 89..203
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 287..430
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 495..642
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
FT REGION 42..75
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 42..72
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 688 AA; 75273 MW; 8EDBCF9188FF7EEB CRC64;
MMPIRPSRSA LRTLPSQRQL VSNRRHFSTT LVAAAVSPHR TFKRGQSTAT ASSEARPVPS
PAFNQETRNV SPLENRKLPE LDDSFVGLSG GEIFHEMMLR LDVKHIFGYP GGAILPVFDA
IYNSKHFDFI LPRHEQGAGH MAEGYARASG KPGVVLVTSG PGATNVITPM QDALSDGTPM
VVFCGQVPTS AIGTDAFQEA DVVGISRPCT KWNVLVKSVA ELPRRIKEAF EIATSGRPGP
VLVDLPKDIT AGILRKPIPM NSTLPFYPTT ASEAARALGR HNLENTLDRV ADLIGVAQKP
VLYVGQGLLA RPDGPKLLKE FTDKTSIPVT TTLQGLGGFD ELDPKSLHML GMHGSAYANM
AMQEADLIIA LGARFDDRVT LNVARFAPQA KAAALEGRGG IVHFEVMPKN INKVVEATEA
VEGDCADNLA LLIPKVKAVS ERPEWFAQIN DWKKRFPLTL YEEQAADGPI KPQALIQKLS
DLTAHMKDRT VITTGVGQHQ MWAAQHFRWR HPRTMITSGG LGTMGFGLPA AIGAKVARPD
ALVIDIDGDA SFNMTLTELS TAAQFNIGVK VLVLNNEEQG MVTQWQNLFY EDRYAHTHQK
NPDFVKLSEA MGVQAQRCSK PEEVEEKLKW LIESEGPALL EVFTDKKVPV LPMVPAGSAL
HEFLVYDEAK NKERKALMRK RGVTQMLN
//