ID H8XP57_FLAIG Unreviewed; 583 AA.
AC H8XP57;
DT 16-MAY-2012, integrated into UniProtKB/TrEMBL.
DT 16-MAY-2012, sequence version 1.
DT 27-MAR-2024, entry version 62.
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 Name=ilvB {ECO:0000313|EMBL:CCG53131.1};
GN OrderedLocusNames=KQS_05835 {ECO:0000313|EMBL:CCG53131.1};
OS Flavobacterium indicum (strain DSM 17447 / CIP 109464 / GPTSA100-9).
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Flavobacterium.
OX NCBI_TaxID=1094466 {ECO:0000313|EMBL:CCG53131.1, ECO:0000313|Proteomes:UP000007599};
RN [1] {ECO:0000313|EMBL:CCG53131.1, ECO:0000313|Proteomes:UP000007599}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17447 / CIP 109464 / GPTSA100-9
RC {ECO:0000313|Proteomes:UP000007599};
RX PubMed=22582381; DOI=10.1128/JB.00420-12;
RA Barbier P., Houel A., Loux V., Poulain J., Bernardet J.F., Touchon M.,
RA Duchaud E.;
RT "Complete Genome Sequence of Flavobacterium indicum GPSTA100-9T, Isolated
RT from Warm Spring Water.";
RL J. Bacteriol. 194:3024-3025(2012).
RN [2] {ECO:0000313|Proteomes:UP000007599}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17447 / CIP 109464 / GPTSA100-9
RC {ECO:0000313|Proteomes:UP000007599};
RA Barbier P., Houel A., Loux V., Poulain J., Bernardet J.-F., Touchon M.,
RA Duchaud E.;
RT "Complete genome sequence of Flavobacterium indicum GPTSA100-9T, isolated
RT from warm spring water.";
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; HE774682; CCG53131.1; -; Genomic_DNA.
DR RefSeq; WP_014388257.1; NC_017025.1.
DR AlphaFoldDB; H8XP57; -.
DR STRING; 1094466.KQS_05835; -.
DR KEGG; fin:KQS_05835; -.
DR PATRIC; fig|1094466.5.peg.1146; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_10; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000007599; 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:UP000007599};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:CCG53131.1}.
FT DOMAIN 19..135
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 210..343
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 406..553
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 583 AA; 63610 MW; A61AC7BE46CA1DFD CRC64;
MNTQVQTIEE NKTTVRTLSG SQAVMDALLQ EGVATIFGYP GGAIMPIYDA LYDCKSEVEH
VLVRHEQGAI HAAQGLARVS GKTGVVFATS GPGATNLVTG LADAMIDSTP LVCITGQVFA
HLLGTDAFQE TDIVNITTPI TKWNYQVTDA TEIPSVLAKA FYIAKSGRPG PVLIDITKNA
QLQSFEYKGY QPCSYIRSYK PEPTIRLEAI EQAAQLINQA QKPLVIFGQG VLLGKAETEF
RTFIEKLGAP VAWTIMGMGG IPTQHELAVG MLGMHGNVAP NYLTNSCDVL IAVGMRFDDR
VTGRLDKYAK QAKIIHLDID PAEIDKNVAT TVAVWGDCKA TLPLLTEAIE ARSFGAWLEE
FEAKKAQEYD TLIHKELFPT EGGITMGEVI QLLNELTKGE AVLVTDVGQH QMVTCRYAHY
TQTRSNITSG GLGTMGFALP AAIGASYGAP ERTVIAIMGD GGAQMNIQEL GTIMQFKSKV
KIIILNNQFL GMVRQWQELF HEKRYSFTDI KSPDFVQVAK GYGIAGKSIQ DRKELRKSIQ
ELLAYPESFL LEIGVVHEDN VFPMVPQGKG VSEIVLTKEE IES
//
