ID D9SKA5_GALCS Unreviewed; 569 AA.
AC D9SKA5;
DT 05-OCT-2010, integrated into UniProtKB/TrEMBL.
DT 05-OCT-2010, sequence version 1.
DT 27-MAR-2024, entry version 71.
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=Galf_2518 {ECO:0000313|EMBL:ADL56517.1};
OS Gallionella capsiferriformans (strain ES-2) (Gallionella ferruginea
OS capsiferriformans (strain ES-2)).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Nitrosomonadales;
OC Gallionellaceae; Gallionella.
OX NCBI_TaxID=395494 {ECO:0000313|EMBL:ADL56517.1, ECO:0000313|Proteomes:UP000001235};
RN [1] {ECO:0000313|EMBL:ADL56517.1, ECO:0000313|Proteomes:UP000001235}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ES-2 {ECO:0000313|EMBL:ADL56517.1,
RC ECO:0000313|Proteomes:UP000001235};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Cheng J.-F., Bruce D., Goodwin L.,
RA Pitluck S., Chertkov O., Davenport K.W., Detter J.C., Han C., Tapia R.,
RA Land M., Hauser L., Chang Y.-J., Jeffries C., Kyrpides N., Ivanova N.,
RA Mikhailova N., Shelobolina E.S., Picardal F., Roden E., Emerson D.,
RA Woyke T.;
RT "Complete sequence of Gallionella capsiferriformans ES-2.";
RL Submitted (AUG-2010) 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; CP002159; ADL56517.1; -; Genomic_DNA.
DR RefSeq; WP_013294437.1; NC_014394.1.
DR AlphaFoldDB; D9SKA5; -.
DR STRING; 395494.Galf_2518; -.
DR KEGG; gca:Galf_2518; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_4; -.
DR OrthoDB; 2254214at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000001235; 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; 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.
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:UP000001235};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 3..119
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 193..329
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 569 AA; 62344 MW; C8A42F17B92664E3 CRC64;
MEMTGAEITI RCLQEEGVEF LFGYPGGAVL HIYDALFQQD KVKHILVRHE QAAIHAADGY
ARSSDKVGVA LVTSGPGLTN AVTGIATAYM DSIPMVVISG QVPTYAIGED AFQEVDAVGI
TRPCVKHNFL VKDVKDIAST IKKAFYLAKS GRPGPVLVDI PKDVSAHKTE FVYPASVNIR
SYHPQGRGDS QQIRQAAQLL LEAKRPMIYA GGGVVLSGAA AQLTDLVRLL GFPCTNTLMG
LGGYPANDKQ YVGMLGMHGT YEANMSMQHC DVLVAIGARF DDRVIGNVEH FAQVPRKIIH
IDIDPSSIAK RVKVDVPIVG DLKLVLDELL SVLRSSRQKP GADEMAAWWS QIEEWRVTGG
GLRYRNSTEI IKPQFVIETL HKLTGGDAFV TSDVGQHQMW AAQYYKFNHP RRWINSGGLG
TMGFGLPAAM GVQLKHPGET VACVTGEGSI QMNIQELSTC KQYHLPIKVL SLNNGYLGMV
RQWQEFFHGN RFSESYMDAL PDFVKVAEAY GHVGIRIDKP CDVEPAIIEA LSRKNDLVFM
DFRTDPTENV FPMVPGGKGL SEVVLSEDL
//
