ID Q2J6V0_FRACC Unreviewed; 608 AA.
AC Q2J6V0;
DT 07-MAR-2006, integrated into UniProtKB/TrEMBL.
DT 07-MAR-2006, sequence version 1.
DT 27-MAR-2024, entry version 122.
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 OrderedLocusNames=Francci3_3640 {ECO:0000313|EMBL:ABD12992.1};
OS Frankia casuarinae (strain DSM 45818 / CECT 9043 / HFP020203 / CcI3).
OC Bacteria; Actinomycetota; Actinomycetes; Frankiales; Frankiaceae; Frankia.
OX NCBI_TaxID=106370 {ECO:0000313|EMBL:ABD12992.1, ECO:0000313|Proteomes:UP000001937};
RN [1] {ECO:0000313|EMBL:ABD12992.1, ECO:0000313|Proteomes:UP000001937}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 45818 / CECT 9043 / CcI3
RC {ECO:0000313|Proteomes:UP000001937};
RX PubMed=17151343; DOI=10.1101/gr.5798407;
RA Normand P., Lapierre P., Tisa L.S., Gogarten J.P., Alloisio N.,
RA Bagnarol E., Bassi C.A., Berry A.M., Bickhart D.M., Choisne N., Couloux A.,
RA Cournoyer B., Cruveiller S., Daubin V., Demange N., Francino M.P.,
RA Goltsman E., Huang Y., Kopp O.R., Labarre L., Lapidus A., Lavire C.,
RA Marechal J., Martinez M., Mastronunzio J.E., Mullin B.C., Niemann J.,
RA Pujic P., Rawnsley T., Rouy Z., Schenowitz C., Sellstedt A., Tavares F.,
RA Tomkins J.P., Vallenet D., Valverde C., Wall L.G., Wang Y., Medigue C.,
RA Benson D.R.;
RT "Genome characteristics of facultatively symbiotic Frankia sp. strains
RT reflect host range and host plant biogeography.";
RL Genome Res. 17:7-15(2007).
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; CP000249; ABD12992.1; -; Genomic_DNA.
DR AlphaFoldDB; Q2J6V0; -.
DR STRING; 106370.Francci3_3640; -.
DR KEGG; fra:Francci3_3640; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_11; -.
DR PhylomeDB; Q2J6V0; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000001937; 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: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:SF13; 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:UP000001937};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:ABD12992.1}.
FT DOMAIN 6..120
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 199..334
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 394..567
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
FT REGION 498..520
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 608 AA; 64224 MW; 8A5A82C5D972CA2B CRC64;
MTREITGAQS LVHSLEAVGA DVVFGIPGGA ILPAYDPLFD STRVRHVLVR HEQGAGHAAE
GYAQATGRVG VCMATSGPGA TNLVTPIADA YMDSVPIVAV TGQVPSPSIG TDAFQEADIC
GITLPITKHN FLVQSADDIP RIIAEAFHLA ATGRPGPVLV DLPKDILQSA TSVLPHDVWP
PALDLPGYRP VTRPHGKQVR EAAKMISAAR RPVLYIGGGV LRARAAAELR TLAELTGIPV
VTTLMARGAF PDSHPQHLGM PGMHGSVAAV TALQKADLLI TLGARFDDRV TGRLSSFAPG
AAVIHADIDP AEIGKNRTAD VPIVGDCRDV INELVAALVL EERPDLAAWW RTLDGWRRTY
PLGYDQPADG SLAPQYVIER LGKIAGPETI FAAGVGQHQM WAAQFISYEN PYTWLNSGGA
GTMGYAVPAA MGARVGRPDA TVWAVDGDGC FQMTNQELAT CALEGIPIKV AVINNGSLGM
VRQWQTLFYD KRYSNTELGT HPDSPRTGGA GASGRGSGAS RRVRVPDFVR LAEALGCVGL
RCETAADVDA TIEKAMAIDD APVVVDFVVH PDAMVWPMVA AGASNDDIRI ARDTAPDFDY
SGDAEVNI
//
