ID A0A010SRA4_PSEFL Unreviewed; 574 AA.
AC A0A010SRA4;
DT 11-JUN-2014, integrated into UniProtKB/TrEMBL.
DT 11-JUN-2014, sequence version 1.
DT 27-MAR-2024, entry version 55.
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 ORFNames=HK44_027380 {ECO:0000313|EMBL:EXF95345.1};
OS Pseudomonas fluorescens HK44.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=1042209 {ECO:0000313|EMBL:EXF95345.1, ECO:0000313|Proteomes:UP000022611};
RN [1] {ECO:0000313|EMBL:EXF95345.1, ECO:0000313|Proteomes:UP000022611}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HK44 {ECO:0000313|EMBL:EXF95345.1,
RC ECO:0000313|Proteomes:UP000022611};
RX PubMed=21742869; DOI=10.1128/JB.05530-11;
RA Chauhan A., Layton A.C., Williams D.E., Smartt A.E., Ripp S.,
RA Karpinets T.V., Brown S.D., Sayler G.S.;
RT "Draft genome sequence of the polycyclic aromatic hydrocarbon-degrading,
RT genetically engineered bioluminescent bioreporter Pseudomonas fluorescens
RT HK44.";
RL J. Bacteriol. 193:5009-5010(2011).
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EXF95345.1}.
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DR EMBL; AFOY02000008; EXF95345.1; -; Genomic_DNA.
DR RefSeq; WP_024264810.1; NZ_AFOY02000008.1.
DR AlphaFoldDB; A0A010SRA4; -.
DR PATRIC; fig|1042209.11.peg.2047; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_6; -.
DR OrthoDB; 9785953at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000022611; Unassembled WGS sequence.
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:UP000022611};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 5..118
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 196..330
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 396..545
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 574 AA; 62741 MW; 08280E92BE2FBDE6 CRC64;
MELLSGGEML VRFLRDEGVK YIYGYPGGAL LHVYDALFKE PEVTHILVRH EQAATHMADG
YARATGKAGV VLVTSGPGAT NAITGIATAY MDSIPMVIIS GQVPSTMVGT DAFQETDMIG
ISRPIVKHSF MIKHASEIPE VMKKAFYLAQ SGRPGPVVVD IPKDMTNPAE KFEYVFPKKA
KLRSYSPAVR GHSGQIRKAA EMLLAAKRPV LYSGGGVILG GGSAPLTELA QMLNLPVTNT
LMGLGAYPGT DRQFIGMLGM HGSYTANLAM HHADVILAVG ARFDDRVING PAKFCPNAKI
IHIDIDPASI SKTIKADVPI VGPVESVLTE MVAILKEIGE TPNKESVASW WKQVDEWRGD
RGLFPYERGD GSVIKPQTVI ETLCEVTKGD AYVTSDVGQH QMFAAQYYRF NKPNRWINSG
GLGTMGFGFP AAMGVKLSFP DADVACVTGE GSIQMNIQEL STCLQYGLPV KIVNLNNGVL
GMVRQWQDMS YGSRHSHSYM ESLPDFVKLA EAYGHVGIRI TDLKDLKPKM EEAFAMKDRL
VFLDIQVDTS EHVYPMQIKD GSMRDMWLSK TERT
//
