ID A5G7V5_GEOUR Unreviewed; 566 AA.
AC A5G7V5;
DT 12-JUN-2007, integrated into UniProtKB/TrEMBL.
DT 12-JUN-2007, sequence version 1.
DT 27-MAR-2024, entry version 109.
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=Gura_3720 {ECO:0000313|EMBL:ABQ27873.1};
OS Geotalea uraniireducens (strain Rf4) (Geobacter uraniireducens).
OC Bacteria; Thermodesulfobacteriota; Desulfuromonadia; Geobacterales;
OC Geobacteraceae; Geotalea.
OX NCBI_TaxID=351605 {ECO:0000313|EMBL:ABQ27873.1, ECO:0000313|Proteomes:UP000006695};
RN [1] {ECO:0000313|EMBL:ABQ27873.1, ECO:0000313|Proteomes:UP000006695}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Rf4 {ECO:0000313|EMBL:ABQ27873.1,
RC ECO:0000313|Proteomes:UP000006695};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Chertkov O., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Mikhailova N., Shelobolina E., Aklujkar M.,
RA Lovley D., Richardson P.;
RT "Complete sequence of Geobacter uraniireducens Rf4.";
RL Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000698; ABQ27873.1; -; Genomic_DNA.
DR RefSeq; WP_011940524.1; NC_009483.1.
DR AlphaFoldDB; A5G7V5; -.
DR STRING; 351605.Gura_3720; -.
DR KEGG; gur:Gura_3720; -.
DR HOGENOM; CLU_013748_1_2_7; -.
DR OrthoDB; 2254214at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000006695; 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:UP000006695};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:ABQ27873.1}.
FT DOMAIN 3..118
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 193..327
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 393..540
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 566 AA; 61532 MW; 72504D09FD54790B CRC64;
MKMNGAKILL ECLKLEGVDT VFGYPGGTVI NLYDELFSFK EIRHILPRHE QAGVHAADGY
ARATGKVGVA IATSGPGATN TITGIATAYM DSIPMVIITG QVPTALIGND AFQEADIIGI
TRPCTKHNFL VKDVKDLALI VKKAFYIART GRPGPVLIDL PKDVQIATAE FKYPDTVEIR
GYKPTIEGHP KQVEKAMSLL LGAKRPVIYV GGGVILGNAA EELTALSKKL EAPVTTTLMG
LGSFPEDDPL SLGLLGMHGT YYANMAVSNC DLLVAVGARF DDRVTGKIAS FAPHAKIIHI
DVDPTSIKKN VRVDLPIVGD VKDVLTQMLK VLEEQGDKLD DFKKSIVPWT EEIEGWKAKH
PMSYKQSATV IKPQFVIQKL RELSDPDAIV ATDVGQHQMW TAQFFKFNRP RTLLSSGGLG
TMGYGLPAAM GAQAAFPDRQ VIVICGDGGF QMNLQELATV VQNRLAVKIC IINNNFLGMV
RQWQELFFDK RYSQTCMELP IDFIKLAEAF GAKGFQATKP DEVEAVIKKG FATPGPVIME
FKVAREEKVL PMVPAGASLT EMVLAS
//