ID I0ISA3_LEPFC Unreviewed; 583 AA.
AC I0ISA3;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 27-MAR-2024, entry version 57.
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=LFE_2481 {ECO:0000313|EMBL:BAM08152.1};
OS Leptospirillum ferrooxidans (strain C2-3).
OC Bacteria; Nitrospirota; Nitrospiria; Nitrospirales; Nitrospiraceae;
OC Leptospirillum.
OX NCBI_TaxID=1162668 {ECO:0000313|EMBL:BAM08152.1, ECO:0000313|Proteomes:UP000007382};
RN [1] {ECO:0000313|EMBL:BAM08152.1, ECO:0000313|Proteomes:UP000007382}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=C2-3 {ECO:0000313|EMBL:BAM08152.1,
RC ECO:0000313|Proteomes:UP000007382};
RX PubMed=22815442; DOI=10.1128/JB.00696-12;
RA Fujimura R., Sato Y., Nishizawa T., Oshima K., Kim S.-W., Hattori M.,
RA Kamijo T., Ohta H.;
RT "Complete Genome Sequence of Leptospirillum ferrooxidans Strain C2-3,
RT Isolated from a Fresh Volcanic Ash Deposit on the Island of Miyake,
RT Japan.";
RL J. Bacteriol. 194:4122-4123(2012).
RN [2] {ECO:0000313|Proteomes:UP000007382}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=C2-3 {ECO:0000313|Proteomes:UP000007382};
RA Fujimura R., Sato Y., Nishizawa T., Nanba K., Oshima K., Hattori M.,
RA Kamijo T., Ohta H.;
RT "The complete genome sequence of the pioneer microbe on fresh volcanic
RT deposit, Leptospirillum ferrooxidans strain C2-3.";
RL Submitted (MAR-2012) 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; AP012342; BAM08152.1; -; Genomic_DNA.
DR RefSeq; WP_014450635.1; NC_017094.1.
DR AlphaFoldDB; I0ISA3; -.
DR STRING; 1162668.LFE_2481; -.
DR GeneID; 78150123; -.
DR KEGG; lfc:LFE_2481; -.
DR PATRIC; fig|1162668.3.peg.2943; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_0; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000007382; 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:UP000007382};
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..328
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 394..541
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 583 AA; 64566 MW; 7116E2BD5B00C4DB CRC64;
MKMSGAEMLL ESLKRENVQH IFGYPGGVVL PIFDALFKDP SLQVVLTRHE QGAVHAAEGY
ARSTNKVGVV LVTSGPGATN TVTGLADANM DSIPIVVITG QVPTKMIGND AFQEADIVGI
SRSCTKHNFL VRKIQDLPRI IKEAFYIART GRPGPVLVDL PKDVIVDRAD FIYPDSVSIR
SYNPTMQGNR WQIRKAAQAI SKAKRPVLYA GGGIISSDAT KELLDLVTLT NIPTTLTLMG
LGALSGTHPR FMGMLGMHGT YAANMAIHHC DLLIAVGVRF DDRVTGKISE FSPHSKVIHI
DIDPTSIRKN FHVDIPIVGD AKHILKDLIE EIKELNKPEP PSKEKLIDPW IEQVEEWEKE
HPLTYEHDTE VIKPQYVIEK VYQFTQGDCI VSTDVGQHQM WTAQFFKFIK PNTWLTSGGL
GTMGYGFPAA IGAQKAHPDK RVIAITGEGS FMMNIQELAT VASLDIPVKI VILNNKYLGM
VRQWQEFFYG GRYSSSFIGQ SPDFVKLAEA FGIVGLKASR HDEVENIILD GFSRRGPVLM
EFHVDPEENV FPMVPAGGSN IEMIFEAPEH RDDRKKRDSI LTA
//
