ID I0KFM2_9BACT Unreviewed; 587 AA.
AC I0KFM2;
DT 19-FEB-2014, integrated into UniProtKB/TrEMBL.
DT 19-FEB-2014, sequence version 1.
DT 27-MAR-2024, entry version 54.
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=FAES_4926 {ECO:0000313|EMBL:CCH02925.1};
OS Fibrella aestuarina BUZ 2.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Spirosomataceae;
OC Fibrella.
OX NCBI_TaxID=1166018 {ECO:0000313|EMBL:CCH02925.1, ECO:0000313|Proteomes:UP000011058};
RN [1] {ECO:0000313|EMBL:CCH02925.1, ECO:0000313|Proteomes:UP000011058}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BUZ 2T {ECO:0000313|Proteomes:UP000011058};
RX PubMed=22689241; DOI=10.1128/JB.00550-12;
RA Filippini M., Qi W., Blom J., Goesmann A., Smits T.H., Bagheri H.C.;
RT "Genome Sequence of Fibrella aestuarina BUZ 2T, a Filamentous Marine
RT Bacterium.";
RL J. Bacteriol. 194:3555-3555(2012).
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; HE796683; CCH02925.1; -; Genomic_DNA.
DR AlphaFoldDB; I0KFM2; -.
DR STRING; 1166018.FAES_4926; -.
DR KEGG; fae:FAES_4926; -.
DR PATRIC; fig|1166018.3.peg.1898; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_10; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000011058; 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:UP000011058};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 28..143
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 220..355
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 416..563
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 587 AA; 63552 MW; 2A146289F8FE2D9B CRC64;
MQAISVLPEL EPSPMPTAEA QPLASLLNGS QALMNALVAE GVDTIFGYPG GAIMPVYDAL
YDFQDRINHI LVRHEQGAGH AAQGYARMQG RAGVCLVTSG PGATNLVTAI ADALIDSTPL
VCVVGQVGKK LLGTDAFQEA DVMGVTMPIT KWNYQITSAD EVPEVLAKAF YIAQSGRPGP
VLIDITKSAQ LELMTRPFVY EKCQSIISYR PRLVPKAEQI DAAAKLINAA KRPYILAGHG
VQIAKAEAEL LAFTEKTGIP VATTLLGQST IPTDHPNHVG WLGMHGNYGP NVLTDEADVI
IAIGMRFDDR VTGDASKYIK QAKVIHIEID PAEIDKIVKA HAPVVGDAKE ALTALLPLVN
ANDHTVWRNE FRKYAAIEHE KITAPELNGD SEKIRMAEVI DLLSRKTSGE AVLVTDVGQH
QMMASRYYQF RRKNSLVTSG GMGTMGFALP AAFGAATGAP DRQVVAIIGD GCFQMTLQEL
GTIVQNKVPV KIIILNNNFL GMVRQWQQLF HERRYSFVEL QNPDFVTIAK GFGMAGHTCA
AREALNESLD TLLSYEGPYL LEVMVEKEEN VFPMVPAGAA VAQIRLS
//
